Subject: Re: [Spridgets] rocker clearance

From: Michael MacLean via Spridgets <[email-masked]>
Date: Sat, 31 Oct 2015 20:49:53 +0000 (UTC)

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How about when you have 1.5 rocker arms?=C2=A0 Drove the Bugeye around yest=
erday.=C2=A0 Runs great, still blue smoke on acceleration on a recent rebui=
ld.=C2=A0 At leat 1000 miles since rebuild.=C2=A0 I'm afraid the rings neve=
r seated properly.=C2=A0 Not sure of the cylinder wall surface during the r=
ebuild as I did not so that part of it.
Mike MacLean
=20

     On Saturday, October 31, 2015 1:26 PM, Rick Fisk via Spridgets <spridg=
[email-masked]> wrote:
  =20
=20

 The 0.029 in. spec is a whole different thing used when you are assembling=
 the engine. =C2=A0If your engine is together and you just want to set the =
valve clearance it should be 0.012 in. set cold.

Sent from my keyboard
On Oct 31, 2015, at 4:06 PM, Michael Rowe via Spridgets <[email-masked]=
am.net> wrote:

New 1275 engine.Haynes says "Rocker clearance, timing only =3D=C2=A00.029 i=
n.My mechanic/tutor says, "that is twice what it should be."Bentley says:Ro=
cker clearance: Running (Standard) =3D 0.012 in. cold=C2=A0=C2=A0=C2=A0 =C2=
=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =
=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 Running (competiti=
on work) =3D 0.015 in.=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 timing=C2=A0=
=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =3D 0.029 in.Online sites=C2=A0agree on=C2=
=A0 =3D .012 in. cold.=C2=A0So what is the 0.029 in. for?=C2=A0Michael Rowe
------------------------

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chartermi.net

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=20
  
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<html><head></head><body><div style=3D"color:#000; background-color:#fff; f=
ont-family:times new roman, new york, times, serif;font-size:16px"><div id=
=3D"yui_3_16_0_1_1446323015003_17729">How about when you have 1.5 rocker ar=
ms?&nbsp; Drove the Bugeye around yesterday.&nbsp; Runs great, still blue s=
moke on acceleration on a recent rebuild.&nbsp; At leat 1000 miles since re=
build.&nbsp; I'm afraid the rings never seated properly.&nbsp; Not sure of =
the cylinder wall surface during the rebuild as I did not so that part of i=
t.<br></div><div id=3D"yui_3_16_0_1_1446323015003_17730" dir=3D"ltr">Mike M=
acLean<br></div><div id=3D"yui_3_16_0_1_1446323015003_17731"><span></span><=
/div>  <br><div class=3D"qtdSeparateBR"><br><br></div><div style=3D"display=
: block;" class=3D"yahoo_quoted"> <div style=3D"font-family: times new roma=
n, new york, times, serif; font-size: 16px;"> <div style=3D"font-family: He=
lveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; f=
ont-size: 16px;"> <div dir=3D"ltr"> <font face=3D"Arial" size=3D"2"> On Sat=
urday, October 31, 2015 1:26 PM, Rick Fisk via Spridgets &lt;spridgets@auto=
x.team.net&gt; wrote:<br> </font> </div> <blockquote style=3D"border-left: =
2px solid rgb(16, 16, 255); margin-left: 5px; margin-top: 5px; padding-left=
: 5px;">  <br><br> <div class=3D"y_msg_container"><div id=3D"yiv3068736433"=
><div><div>The 0.029 in. spec is a whole different thing used when you are =
assembling the engine. &nbsp;If your engine is together and you just want t=
o set the valve clearance it should be 0.012 in. set cold.<br clear=3D"none=
"><br clear=3D"none">Sent from my keyboard</div><div class=3D"yiv3068736433=
yqt3461902488" id=3D"yiv3068736433yqt61360"><div><br clear=3D"none">On Oct =
31, 2015, at 4:06 PM, Michael Rowe via Spridgets &lt;<a rel=3D"nofollow" sh=
ape=3D"rect" ymailto=3D"mailto:[email-masked]" target=3D"_blank" =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt; w=
rote:<br clear=3D"none"><br clear=3D"none"></div><blockquote type=3D"cite">=
<div>

</div></blockquote></div></div><div class=3D"yiv3068736433yqt3461902488" id=
=3D"yiv3068736433yqt64797"><style></style></div><div><div class=3D"yiv30687=
36433yqt3461902488" id=3D"yiv3068736433yqt61805"><div><font face=3D"Arial">=
New 1275 engine.</font></div>
<div><font face=3D"Arial">Haynes says "Rocker clearance, timing only =3D&nb=
sp;0.029=20
in.</font></div>
<div><font face=3D"Arial">My mechanic/tutor says, "that is twice what it sh=
ould=20
be."</font></div>
<div><font face=3D"Arial">Bentley says:</font></div>
<div><font face=3D"Arial">Rocker clearance: Running (Standard) =3D 0.012 in=
.=20
cold</font></div>
<div><font face=3D"Arial">&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp=
;&nbsp;=20
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=
=20
&nbsp;&nbsp;&nbsp; Running (competition work) =3D 0.015 in.</font></div>
<div><font face=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
timing&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =3D 0.029 in.</font></div>
<div><font face=3D"Arial">Online sites&nbsp;agree on&nbsp; =3D .012 in.=20
cold.</font></div>
<div><font face=3D"Arial"></font>&nbsp;</div>
<div><font face=3D"Arial">So what is the 0.029 in. for?</font></div>
<div><font face=3D"Arial"></font>&nbsp;</div>
<div><font face=3D"Arial">Michael Rowe</font></div></div>
<blockquote type=3D"cite"><div><span>------------------------</span><br cle=
ar=3D"none"><span></span><br clear=3D"none"><span><a rel=3D"nofollow" shape=
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Archive: http://www.team.net/archive

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From: Rick Fisk via Spridgets <[email-masked]>
Date: Sat, 31 Oct 2015 17:52:44 -0400

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That would depend on what the cam and rocker manufacturers say.  They usuall=
y have a spec to use with their parts.  A WAG on my part would be 0.015 in.

The valves on my shiny new '72 Midget were set to 0.006 in.  One of the many=
 things I found that explain why the previous owner couldn't get it to run r=
ight.  :-)

Sent from my keyboard

> On Oct 31, 2015, at 4:49 PM, Michael MacLean <[email-masked]> wro=
te:
>=20
> How about when you have 1.5 rocker arms?  Drove the Bugeye around yesterda=
y.  Runs great, still blue smoke on acceleration on a recent rebuild.  At le=
at 1000 miles since rebuild.  I'm afraid the rings never seated properly.  N=
ot sure of the cylinder wall surface during the rebuild as I did not so that=
 part of it.
> Mike MacLean
>=20
>=20
>=20
> On Saturday, October 31, 2015 1:26 PM, Rick Fisk via Spridgets <spridgets@=
> The 0.029 in. spec is a whole different thing used when you are assembling=
 the engine.  If your engine is together and you just want to set the valve c=
learance it should be 0.012 in. set cold.
>=20
> Sent from my keyboard
>=20
>> On Oct 31, 2015, at 4:06 PM, Michael Rowe via Spridgets <spridgets@autox.=
team.net> wrote:
>>=20
>=20
> New 1275 engine.
> Haynes says "Rocker clearance, timing only =3D 0.029 in.
> My mechanic/tutor says, "that is twice what it should be."
> Bentley says:
> Rocker clearance: Running (Standard) =3D 0.012 in. cold
>                                 Running (competition work) =3D 0.015 in.
>                                 timing        =3D 0.029 in.
> Online sites agree on  =3D .012 in. cold.
> =20
> So what is the 0.029 in. for?
> =20
> Michael Rowe
>> ------------------------
>>=20
>> [email-masked]
>>=20
>> Donate: http://www.team.net/donate.html
>> Suggested annual donation: $12.75
>>=20
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[email-masked]
>=20
> ------------------------
>=20
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>=20
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div>That would depend on what the cam and r=
ocker manufacturers say. &nbsp;They usually have a spec to use with their pa=
rts. &nbsp;A WAG on my part would be 0.015 in.</div><div><br></div><div>The v=
alves on my shiny new '72 Midget were set to 0.006 in. &nbsp;One of the many=
 things I found that explain why the previous owner couldn't get it to run r=
ight. &nbsp;:-)<br><br>Sent from my keyboard</div><div><br>On Oct 31, 2015, a=
t 4:49 PM, Michael MacLean &lt;<a href=3D"mailto:[email-masked]">rr=
[email-masked]</a>&gt; wrote:<br><br></div><blockquote type=3D"cite">=
<div><div style=3D"color:#000; background-color:#fff; font-family:times new r=
oman, new york, times, serif;font-size:16px"><div id=3D"yui_3_16_0_1_1446323=
015003_17729">How about when you have 1.5 rocker arms?&nbsp; Drove the Bugey=
e around yesterday.&nbsp; Runs great, still blue smoke on acceleration on a r=
ecent rebuild.&nbsp; At leat 1000 miles since rebuild.&nbsp; I'm afraid the r=
ings never seated properly.&nbsp; Not sure of the cylinder wall surface duri=
ng the rebuild as I did not so that part of it.<br></div><div id=3D"yui_3_16=
_0_1_1446323015003_17730" dir=3D"ltr">Mike MacLean<br></div><div id=3D"yui_3=
_16_0_1_1446323015003_17731"><span></span></div>  <br><div class=3D"qtdSepar=
ateBR"><br><br></div><div style=3D"display: block;" class=3D"yahoo_quoted"> <=
div style=3D"font-family: times new roman, new york, times, serif; font-size=
: 16px;"> <div style=3D"font-family: HelveticaNeue, Helvetica Neue, Helvetic=
a, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir=3D"ltr"> <f=
ont face=3D"Arial" size=3D"2"> On Saturday, October 31, 2015 1:26 PM, Rick Fi=
sk via Spridgets &lt;<a href=3D"mailto:[email-masked]">spridgets@a=
utox.team.net</a>&gt; wrote:<br> </font> </div> <blockquote style=3D"border-=
left: 2px solid rgb(16, 16, 255); margin-left: 5px; margin-top: 5px; padding=
-left: 5px;">  <br><br> <div class=3D"y_msg_container"><div id=3D"yiv3068736=
433"><div><div>The 0.029 in. spec is a whole different thing used when you a=
re assembling the engine. &nbsp;If your engine is together and you just want=
 to set the valve clearance it should be 0.012 in. set cold.<br clear=3D"non=
e"><br clear=3D"none">Sent from my keyboard</div><div class=3D"yiv3068736433=
yqt3461902488" id=3D"yiv3068736433yqt61360"><div><br clear=3D"none">On Oct 3=
1, 2015, at 4:06 PM, Michael Rowe via Spridgets &lt;<a rel=3D"nofollow" shap=
e=3D"rect" ymailto=3D"mailto:[email-masked]" target=3D"_blank" hre=
f=3D"mailto:[email-masked]">[email-masked]</a>&gt; wrote=
:<br clear=3D"none"><br clear=3D"none"></div><blockquote type=3D"cite"><div>=

</div></blockquote></div></div><div class=3D"yiv3068736433yqt3461902488" id=3D=
"yiv3068736433yqt64797"><style></style></div><div><div class=3D"yiv306873643=
3yqt3461902488" id=3D"yiv3068736433yqt61805"><div><font face=3D"Arial">New 1=
275 engine.</font></div>
<div><font face=3D"Arial">Haynes says "Rocker clearance, timing only =3D&nbs=
p;0.029=20
in.</font></div>
<div><font face=3D"Arial">My mechanic/tutor says, "that is twice what it sho=
uld=20
be."</font></div>
<div><font face=3D"Arial">Bentley says:</font></div>
<div><font face=3D"Arial">Rocker clearance: Running (Standard) =3D 0.012 in.=
=20
cold</font></div>
<div><font face=3D"Arial">&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;=
&nbsp;=20
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=20=

&nbsp;&nbsp;&nbsp; Running (competition work) =3D 0.015 in.</font></div>
<div><font face=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
timing&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =3D 0.029 in.</font></div>
<div><font face=3D"Arial">Online sites&nbsp;agree on&nbsp; =3D .012 in.=20
cold.</font></div>
<div><font face=3D"Arial"></font>&nbsp;</div>
<div><font face=3D"Arial">So what is the 0.029 in. for?</font></div>
<div><font face=3D"Arial"></font>&nbsp;</div>
<div><font face=3D"Arial">Michael Rowe</font></div></div>
<blockquote type=3D"cite"><div><span>------------------------</span><br clea=
r=3D"none"><span></span><br clear=3D"none"><span><a rel=3D"nofollow" shape=3D=
"rect" ymailto=3D"mailto:[email-masked]" target=3D"_blank" href=3D=
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ar=3D"none"><span></span><br clear=3D"none"><span>Donate: <a rel=3D"nofollow=
" shape=3D"rect" target=3D"_blank" href=3D"http://www.team.net/donate.html">=
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From: Michael Rowe via Spridgets <[email-masked]>
Date: Sat, 31 Oct 2015 18:14:39 -0400

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I used Minisport roller rockers bought cheap in the 2008-9 crash.  I no longer remember, but they probably are 1.5 (red), and I also used a "warm" Elgin cam that came in a box of parts.

Where higher ratio rockers are to be used, the required valve clearance can then be assessed using this simple formula. For instance when using 1.5 rockers, you obviously need to multiply the cam/follower clearance by 1.5. So 0.010-in x 1.5 gives 0.015-in for standard/mild cams and 0.012-in x 1.5 gives 0.018-in for race/more-modified cams. Interestingly, most re-profiled performance cams generally have a suggested valve clearance of 0.016-in with standard ratio rockers. To assess required valve clearance where higher ratio rockers are used simply work it backwards and multiply by the higher ratio. This works out as 0.016-in divided by 1.25 = 0.0128, then x 1.5 = 0.0192" - or 0.019" at the valve.
  ----- Original Message ----- 
  From: Michael MacLean 
  To: Rick Fisk ; Michael Rowe 
  Cc: Spridgets 
  Sent: Saturday, October 31, 2015 4:49 PM
  Subject: Re: [Spridgets] rocker clearance

  How about when you have 1.5 rocker arms?  Drove the Bugeye around yesterday.  Runs great, still blue smoke on acceleration on a recent rebuild.  At leat 1000 miles since rebuild.  I'm afraid the rings never seated properly.  Not sure of the cylinder wall surface during the rebuild as I did not so that part of it.

  Mike MacLean

  On Saturday, October 31, 2015 1:26 PM, Rick Fisk via Spridgets <[email-masked]> wrote:

    The 0.029 in. spec is a whole different thing used when you are assembling the engine.  If your engine is together and you just want to set the valve clearance it should be 0.012 in. set cold.

    Sent from my keyboard

    On Oct 31, 2015, at 4:06 PM, Michael Rowe via Spridgets <[email-masked]> wrote:

    New 1275 engine.
    Haynes says "Rocker clearance, timing only = 0.029 in.
    My mechanic/tutor says, "that is twice what it should be."
    Bentley says:
    Rocker clearance: Running (Standard) = 0.012 in. cold
                                    Running (competition work) = 0.015 in.
                                    timing        = 0.029 in.
    Online sites agree on  = .012 in. cold.

    Michael Rowe
      ------------------------

      [email-masked]

      Archive: http://www.team.net/archive
      Forums: http://www.team.net/forums
      Unsubscribe/Manage: http://autox.team.net/mailman/options/spridgets/[email-masked]

    ------------------------

    [email-masked]

    Archive: http://www.team.net/archive
    Forums: http://www.team.net/forums
    Unsubscribe/Manage: http://autox.team.net/mailman/options/spridgets/[email-masked]

--Boundary_(ID_h19vRKQ7kO2D1pFI8PW4nQ)
Content-transfer-encoding: quoted-printable

=EF=BB=BF<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3Dutf-8" http-equiv=3DContent-Type>
<META name=3DGENERATOR content=3D"MSHTML 9.00.8112.16708"></HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial>I&nbsp;used Minisport roller rockers bought =
cheap in the=20
2008-9 crash.&nbsp; I no longer remember, but they probably are 1.5=20
(red),&nbsp;and I also&nbsp;used a "warm" Elgin cam that came in a box =
of=20
parts.</FONT></DIV>
<DIV><FONT face=3DArial></FONT>&nbsp;</DIV>
<DIV><SPAN>Where&nbsp;<A=20
href=3D"http://www.spridgetmania.com/part/C-AHT436/Roller-Tipped-15-Ratio=
-Rockers-Aluminum">higher=20
ratio rockers</A>&nbsp;are to be used, the required valve clearance can =
then be=20
assessed using this simple formula. For instance when using 1.5 rockers, =
you=20
obviously need to multiply the cam/follower clearance by 1.5. So =
0.010-in x 1.5=20
gives 0.015-in for standard/mild cams and 0.012-in x 1.5 gives 0.018-in =
for=20
race/more-modified cams. Interestingly, most re-profiled performance =
cams=20
generally have a suggested valve clearance of 0.016-in with standard =
ratio=20
rockers. To assess required valve clearance where higher ratio rockers =
are used=20
simply work it backwards and multiply by the higher ratio. This works =
out as=20
0.016-in divided by 1.25 =3D 0.0128, then x 1.5 =3D 0.0192" - or 0.019" =
at the=20
valve.</SPAN></DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; =
PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px"=20
dir=3Dltr>
  <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
  <DIV=20
  style=3D"FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: =
black"><B>From:</B>=20
  <A title=[email-masked] =
href=3D"mailto:[email-masked]">Michael=20
  MacLean</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=[email-masked]=20
  href=3D"mailto:[email-masked]">Rick Fisk</A> ; <A=20
  title=[email-masked] =
href=3D"mailto:[email-masked]">Michael Rowe</A>=20
  </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Cc:</B> <A =
title=[email-masked]=20
  href=3D"mailto:[email-masked]">Spridgets</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Saturday, October 31, =
2015 4:49=20
  PM</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: [Spridgets] rocker =

  clearance</DIV>
  <DIV><BR></DIV>
  <DIV=20
  style=3D"BACKGROUND-COLOR: #fff; FONT-FAMILY: times new roman, new =
york, times, serif; COLOR: #000; FONT-SIZE: 16px">
  <DIV id=3Dyui_3_16_0_1_1446323015003_17729>How about when you have 1.5 =
rocker=20
  arms?&nbsp; Drove the Bugeye around yesterday.&nbsp; Runs great, still =
blue=20
  smoke on acceleration on a recent rebuild.&nbsp; At leat 1000 miles =
since=20
  rebuild.&nbsp; I'm afraid the rings never seated properly.&nbsp; Not =
sure of=20
  the cylinder wall surface during the rebuild as I did not so that part =
of=20
  it.<BR></DIV>
  <DIV dir=3Dltr id=3Dyui_3_16_0_1_1446323015003_17730>Mike =
MacLean<BR></DIV>
  <DIV id=3Dyui_3_16_0_1_1446323015003_17731><SPAN></SPAN></DIV><BR>
  <DIV class=3DqtdSeparateBR><BR><BR></DIV>
  <DIV style=3D"DISPLAY: block" class=3Dyahoo_quoted>
  <DIV=20
  style=3D"FONT-FAMILY: times new roman, new york, times, serif; =
FONT-SIZE: 16px">
  <DIV=20
  style=3D"FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial, =
Lucida Grande, sans-serif; FONT-SIZE: 16px">
  <DIV dir=3Dltr><FONT size=3D2 face=3DArial>On Saturday, October 31, =
2015 1:26 PM,=20
  Rick Fisk via Spridgets &lt;<A=20
  =
href=3D"mailto:[email-masked]">[email-masked]</A>&gt;=
=20
  wrote:<BR></FONT></DIV>
  <BLOCKQUOTE=20
  style=3D"BORDER-LEFT: rgb(16,16,255) 2px solid; MARGIN-TOP: 5px; =
PADDING-LEFT: 5px; MARGIN-LEFT: 5px"><BR><BR>
    <DIV class=3Dy_msg_container>
    <DIV id=3Dyiv3068736433>
    <DIV>
    <DIV>The 0.029 in. spec is a whole different thing used when you are =

    assembling the engine. &nbsp;If your engine is together and you just =
want to=20
    set the valve clearance it should be 0.012 in. set cold.<BR =
clear=3Dnone><BR=20
    clear=3Dnone>Sent from my keyboard</DIV>
    <DIV id=3Dyiv3068736433yqt61360 class=3Dyiv3068736433yqt3461902488>
    <DIV><BR clear=3Dnone>On Oct 31, 2015, at 4:06 PM, Michael Rowe via =
Spridgets=20
    &lt;<A href=3D"mailto:[email-masked]" shape=3Drect =
rel=3Dnofollow=20
    target=3D_blank=20
    =
ymailto=3D"mailto:[email-masked]">[email-masked]</A>&=
gt;=20
    wrote:<BR clear=3Dnone><BR clear=3Dnone></DIV>
    <BLOCKQUOTE type=3D"cite">
      <DIV></DIV></BLOCKQUOTE></DIV></DIV>
    <DIV id=3Dyiv3068736433yqt64797 class=3Dyiv3068736433yqt3461902488>
    <STYLE></STYLE>
    </DIV>
    <DIV>
    <DIV id=3Dyiv3068736433yqt61805 class=3Dyiv3068736433yqt3461902488>
    <DIV><FONT face=3DArial>New 1275 engine.</FONT></DIV>
    <DIV><FONT face=3DArial>Haynes says "Rocker clearance, timing only=20
    =3D&nbsp;0.029 in.</FONT></DIV>
    <DIV><FONT face=3DArial>My mechanic/tutor says, "that is twice what =
it should=20
    be."</FONT></DIV>
    <DIV><FONT face=3DArial>Bentley says:</FONT></DIV>
    <DIV><FONT face=3DArial>Rocker clearance: Running (Standard) =3D =
0.012 in.=20
    cold</FONT></DIV>
    <DIV><FONT face=3DArial>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=20
    &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;=20
    &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Running (competition work) =3D =
0.015=20
    in.</FONT></DIV>
    <DIV><FONT=20
    =
face=3DArial>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
    timing&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =3D 0.029 =
in.</FONT></DIV>
    <DIV><FONT face=3DArial>Online sites&nbsp;agree on&nbsp; =3D .012 =
in.=20
    cold.</FONT></DIV>
    <DIV><FONT face=3DArial></FONT>&nbsp;</DIV>
    <DIV><FONT face=3DArial>So what is the 0.029 in. for?</FONT></DIV>
    <DIV><FONT face=3DArial></FONT>&nbsp;</DIV>
    <DIV><FONT face=3DArial>Michael Rowe</FONT></DIV></DIV>
    <BLOCKQUOTE type=3D"cite">
      <DIV><SPAN>------------------------</SPAN><BR =
clear=3Dnone><SPAN></SPAN><BR=20
      clear=3Dnone><SPAN><A href=3D"mailto:[email-masked]" =
shape=3Drect=20
      rel=3Dnofollow target=3D_blank=20
      =
ymailto=3D"mailto:[email-masked]">[email-masked]</A><=
/SPAN><BR=20
      clear=3Dnone><SPAN></SPAN><BR clear=3Dnone><SPAN>Donate: <A=20
      href=3D"http://www.team.net/donate.html" shape=3Drect =
rel=3Dnofollow=20
      target=3D_blank>http://www.team.net/donate.html</A></SPAN><BR=20
      clear=3Dnone><SPAN>Suggested annual donation: $12.75</SPAN><BR=20
      clear=3Dnone><SPAN></SPAN><BR clear=3Dnone><SPAN>Archive: <A=20
      href=3D"http://www.team.net/archive" shape=3Drect rel=3Dnofollow=20
      target=3D_blank>http://www.team.net/archive</A></SPAN><BR=20
      clear=3Dnone><SPAN>Forums: <A href=3D"http://www.team.net/forums" =
shape=3Drect=20
      rel=3Dnofollow =
target=3D_blank>http://www.team.net/forums</A></SPAN><BR=20
      clear=3Dnone><SPAN>Unsubscribe/Manage: <A=20
      =
href=3D"http://autox.team.net/mailman/options/spridgets/refisk@chartermi.=
net"=20
      shape=3Drect rel=3Dnofollow=20
      =
target=3D_blank>http://autox.team.net/mailman/options/spridgets/refisk@ch=
artermi.net</A></SPAN><BR=20
      clear=3Dnone></DIV></BLOCKQUOTE></DIV></DIV><BR>
    <DIV id=3Dyqt21911 class=3Dyqt3461902488>------------------------<BR =

    clear=3Dnone><BR clear=3Dnone><A =
href=3D"mailto:[email-masked]"=20
    shape=3Drect=20
    =
ymailto=3D"mailto:[email-masked]">[email-masked]</A><=
BR=20
    clear=3Dnone><BR clear=3Dnone>Donate: <A =
href=3D"http://www.team.net/donate.html"=20
    shape=3Drect target=3D_blank>http://www.team.net/donate.html</A><BR=20
    clear=3Dnone>Suggested annual donation: $12.75<BR clear=3Dnone><BR=20
    clear=3Dnone>Archive: <A href=3D"http://www.team.net/archive" =
shape=3Drect=20
    target=3D_blank>http://www.team.net/archive</A><BR =
clear=3Dnone>Forums: <A=20
    href=3D"http://www.team.net/forums" shape=3Drect=20
    target=3D_blank>http://www.team.net/forums</A><BR=20
    clear=3Dnone>Unsubscribe/Manage: <A=20
    =
href=3D"http://autox.team.net/mailman/options/spridgets/rrengineer.mike@a=
tt.net"=20
    shape=3Drect=20
    =
target=3D_blank>http://autox.team.net/mailman/options/spridgets/rrenginee=
[email-masked]</A><BR=20
    =
clear=3Dnone></DIV><BR><BR></DIV></BLOCKQUOTE></DIV></DIV></DIV></DIV></B=
LOCKQUOTE></BODY></HTML>

--Boundary_(ID_h19vRKQ7kO2D1pFI8PW4nQ)--

--===============3515534343723275409==
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------------------------

[email-masked]

--===============3515534343723275409==--

---

From: Michael MacLean via Spridgets <[email-masked]>
Date: Sat, 31 Oct 2015 23:15:09 +0000 (UTC)

--===============4293221836644657664==
	boundary="----=_Part_277960_132215619.1446333309782"

------=_Part_277960_132215619.1446333309782
Content-Transfer-Encoding: quoted-printable

I have a similar cam to the Kent 266. I guess a larger gap would be better =
than too tight in any case, but I'll see wher they are at right now and the=
n try .015 for a start.=C2=A0=20
=20

     On Saturday, October 31, 2015 3:15 PM, Michael Rowe via Spridgets <spr=
[email-masked]> wrote:
  =20
=20

 I=C2=A0used Minisport roller rockers bought cheap in the 2008-9 crash.=C2=
=A0 I no longer remember, but they probably are 1.5 (red),=C2=A0and I also=
=C2=A0used a "warm" Elgin cam that came in a box of parts.=C2=A0Where=C2=A0=
higher ratio rockers=C2=A0are to be used, the required valve clearance can =
then be assessed using this simple formula. For instance when using 1.5 roc=
kers, you obviously need to multiply the cam/follower clearance by 1.5. So =
0.010-in x 1.5 gives 0.015-in for standard/mild cams and 0.012-in x 1.5 giv=
es 0.018-in for race/more-modified cams. Interestingly, most re-profiled pe=
rformance cams generally have a suggested valve clearance of 0.016-in with =
standard ratio rockers. To assess required valve clearance where higher rat=
io rockers are used simply work it backwards and multiply by the higher rat=
io. This works out as 0.016-in divided by 1.25 =3D 0.0128, then x 1.5 =3D 0=
.0192" - or 0.019" at the valve.
 ----- Original Message -----  From: Michael MacLean  To: Rick Fisk ; Micha=
el Rowe  Cc: Spridgets  Sent: Saturday, October 31, 2015 4:49 PM Subject: R=
e: [Spridgets] rocker clearance=20
  How about when you have 1.5 rocker arms?=C2=A0 Drove the Bugeye around ye=
sterday.=C2=A0 Runs great, still blue smoke on acceleration on a recent reb=
uild.=C2=A0 At leat 1000 miles since rebuild.=C2=A0 I'm afraid the rings ne=
ver seated properly.=C2=A0 Not sure of the cylinder wall surface during the=
 rebuild as I did not so that part of it.
 Mike MacLean
=20
=20

    On Saturday, October 31, 2015 1:26 PM, Rick Fisk via Spridgets <spridge=
[email-masked]> wrote:
=20

    The 0.029 in. spec is a whole different thing used when you are assembl=
ing the engine. =C2=A0If your engine is together and you just want to set t=
he valve clearance it should be 0.012 in. set cold.

Sent from my keyboard =20
On Oct 31, 2015, at 4:06 PM, Michael Rowe via Spridgets <[email-masked]=
am.net> wrote:

=20
=20
      New 1275 engine. Haynes says "Rocker clearance, timing only =3D=C2=A0=
0.029 in. My mechanic/tutor says, "that is twice what it should be." Bentle=
y says: Rocker clearance: Running (Standard) =3D 0.012 in. cold =C2=A0=C2=
=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=
=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 Runni=
ng (competition work) =3D 0.015 in. =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ti=
ming=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =3D 0.029 in. Online sites=C2=A0a=
gree on=C2=A0 =3D .012 in. cold. =C2=A0 So what is the 0.029 in. for? =C2=
=A0 Michael Rowe=20
 ------------------------

[email-masked]

 ------------------------

[email-masked]

------------------------

[email-masked]

=20
  
------=_Part_277960_132215619.1446333309782
Content-Transfer-Encoding: quoted-printable

<html><head></head><body><div style=3D"color:#000; background-color:#fff; f=
ont-family:times new roman, new york, times, serif;font-size:16px"><div id=
=3D"yui_3_16_0_1_1446328654136_6686" dir=3D"ltr">I have a similar cam to th=
e Kent 266. I guess a larger gap would be better than too tight in any case=
, but I'll see wher they are at right now and then try .015 for a start.&nb=
sp; <br></div><div id=3D"yui_3_16_0_1_1446328654136_6666"><span></span></di=
v>  <br><div class=3D"qtdSeparateBR"><br><br></div><div style=3D"display: b=
lock;" class=3D"yahoo_quoted"> <div style=3D"font-family: times new roman, =
new york, times, serif; font-size: 16px;"> <div style=3D"font-family: Helve=
ticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font=
-size: 16px;"> <div dir=3D"ltr"> <font face=3D"Arial" size=3D"2"> On Saturd=
ay, October 31, 2015 3:15 PM, Michael Rowe via Spridgets &lt;spridgets@auto=
x.team.net&gt; wrote:<br> </font> </div> <blockquote style=3D"border-left: =
2px solid rgb(16, 16, 255); margin-left: 5px; margin-top: 5px; padding-left=
: 5px;">  <br><br> <div class=3D"y_msg_container"><div id=3D"yiv2869694541"=
><div>
<div><font face=3D"Arial">I&nbsp;used Minisport roller rockers bought cheap=
 in the=20
2008-9 crash.&nbsp; I no longer remember, but they probably are 1.5=20
(red),&nbsp;and I also&nbsp;used a "warm" Elgin cam that came in a box of=
=20
parts.</font></div>
<div><font face=3D"Arial"></font>&nbsp;</div>
<div><span>Where&nbsp;<a rel=3D"nofollow" shape=3D"rect" target=3D"_blank" =
href=3D"http://www.spridgetmania.com/part/C-AHT436/Roller-Tipped-15-Ratio-R=
ockers-Aluminum">higher=20
ratio rockers</a>&nbsp;are to be used, the required valve clearance can the=
n be=20
assessed using this simple formula. For instance when using 1.5 rockers, yo=
u=20
obviously need to multiply the cam/follower clearance by 1.5. So 0.010-in x=
 1.5=20
gives 0.015-in for standard/mild cams and 0.012-in x 1.5 gives 0.018-in for=
=20
race/more-modified cams. Interestingly, most re-profiled performance cams=
=20
generally have a suggested valve clearance of 0.016-in with standard ratio=
=20
rockers. To assess required valve clearance where higher ratio rockers are =
used=20
simply work it backwards and multiply by the higher ratio. This works out a=
s=20
0.016-in divided by 1.25 =3D 0.0128, then x 1.5 =3D 0.0192" - or 0.019" at =
the=20
valve.</span></div>
<div class=3D"yiv2869694541yqt8983054935" id=3D"yiv2869694541yqt87935"><blo=
ckquote dir=3D"ltr" style=3D"BORDER-LEFT:#000000 2px solid;PADDING-LEFT:5px=
;PADDING-RIGHT:0px;MARGIN-LEFT:5px;MARGIN-RIGHT:0px;">
  <div style=3D"FONT:10pt arial;">----- Original Message ----- </div>
  <div style=3D"FONT:10pt arial;BACKGROUND:#e4e4e4;"><b>From:</b>=20
  <a rel=3D"nofollow" shape=3D"rect" title=3D"[email-masked]" ymai=
lto=3D"mailto:[email-masked]" target=3D"_blank" href=3D"mailto:rre=
[email-masked]">Michael=20
  MacLean</a> </div>
  <div style=3D"FONT:10pt arial;"><b>To:</b> <a rel=3D"nofollow" shape=3D"r=
ect" title=3D"[email-masked]" ymailto=3D"mailto:[email-masked]"=
 target=3D"_blank" href=3D"mailto:[email-masked]">Rick Fisk</a> ; <a =
rel=3D"nofollow" shape=3D"rect" title=3D"[email-masked]" ymailto=3D"m=
ailto:[email-masked]" target=3D"_blank" href=3D"mailto:mdrowe@optonli=
ne.net">Michael Rowe</a>=20
  </div>
  <div style=3D"FONT:10pt arial;"><b>Cc:</b> <a rel=3D"nofollow" shape=3D"r=
ect" title=3D"[email-masked]" ymailto=3D"mailto:[email-masked]=
eam.net" target=3D"_blank" href=3D"mailto:[email-masked]">Spridge=
ts</a> </div>
  <div style=3D"FONT:10pt arial;"><b>Sent:</b> Saturday, October 31, 2015 4=
:49=20
  PM</div>
  <div style=3D"FONT:10pt arial;"><b>Subject:</b> Re: [Spridgets] rocker=20
  clearance</div>
  <div><br clear=3D"none"></div>
  <div style=3D"BACKGROUND-COLOR:#fff;FONT-FAMILY:times new roman, new york=
, times, serif;COLOR:#000;FONT-SIZE:16px;">
  <div id=3D"yiv2869694541yui_3_16_0_1_1446323015003_17729">How about when =
you have 1.5 rocker=20
  arms?&nbsp; Drove the Bugeye around yesterday.&nbsp; Runs great, still bl=
ue=20
  smoke on acceleration on a recent rebuild.&nbsp; At leat 1000 miles since=
=20
  rebuild.&nbsp; I'm afraid the rings never seated properly.&nbsp; Not sure=
 of=20
  the cylinder wall surface during the rebuild as I did not so that part of=
=20
  it.<br clear=3D"none"></div>
  <div dir=3D"ltr" id=3D"yiv2869694541yui_3_16_0_1_1446323015003_17730">Mik=
e MacLean<br clear=3D"none"></div>
  <div id=3D"yiv2869694541yui_3_16_0_1_1446323015003_17731"><span></span></=
div><br clear=3D"none">
  <div class=3D"yiv2869694541qtdSeparateBR"><br clear=3D"none"><br clear=3D=
"none"></div>
  <div class=3D"yiv2869694541yahoo_quoted" style=3D"DISPLAY:block;">
  <div style=3D"FONT-FAMILY:times new roman, new york, times, serif;FONT-SI=
ZE:16px;">
  <div style=3D"FONT-FAMILY:HelveticaNeue, Helvetica Neue, Helvetica, Arial=
, Lucida Grande, sans-serif;FONT-SIZE:16px;">
  <div dir=3D"ltr"><font face=3D"Arial" size=3D"2">On Saturday, October 31,=
 2015 1:26 PM,=20
  Rick Fisk via Spridgets &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D=
"mailto:[email-masked]" target=3D"_blank" href=3D"mailto:spridget=
[email-masked]">[email-masked]</a>&gt;=20
  wrote:<br clear=3D"none"></font></div>
  <blockquote style=3D"BORDER-LEFT:rgb(16,16,255) 2px solid;MARGIN-TOP:5px;=
PADDING-LEFT:5px;MARGIN-LEFT:5px;"><br clear=3D"none"><br clear=3D"none">
    <div class=3D"yiv2869694541y_msg_container">
    <div id=3D"yiv2869694541">
    <div>
    <div>The 0.029 in. spec is a whole different thing used when you are=20
    assembling the engine. &nbsp;If your engine is together and you just wa=
nt to=20
    set the valve clearance it should be 0.012 in. set cold.<br clear=3D"no=
ne"><br clear=3D"none">Sent from my keyboard</div>
    <div class=3D"yiv2869694541yqt3461902488" id=3D"yiv2869694541yqt61360">
    <div><br clear=3D"none">On Oct 31, 2015, at 4:06 PM, Michael Rowe via S=
pridgets=20
    &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:spridgets@auto=
x.team.net" target=3D"_blank" href=3D"mailto:[email-masked]">spri=
[email-masked]</a>&gt;=20
    wrote:<br clear=3D"none"><br clear=3D"none"></div>
    <blockquote type=3D"cite">
      <div></div></blockquote></div></div>
    <div class=3D"yiv2869694541yqt3461902488" id=3D"yiv2869694541yqt64797">
    <style></style>
    </div>
    <div>
    <div class=3D"yiv2869694541yqt3461902488" id=3D"yiv2869694541yqt61805">
    <div><font face=3D"Arial">New 1275 engine.</font></div>
    <div><font face=3D"Arial">Haynes says "Rocker clearance, timing only=20
    =3D&nbsp;0.029 in.</font></div>
    <div><font face=3D"Arial">My mechanic/tutor says, "that is twice what i=
t should=20
    be."</font></div>
    <div><font face=3D"Arial">Bentley says:</font></div>
    <div><font face=3D"Arial">Rocker clearance: Running (Standard) =3D 0.01=
2 in.=20
    cold</font></div>
    <div><font face=3D"Arial">&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=20
    &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&n=
bsp;=20
    &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Running (competition work) =3D 0.=
015=20
    in.</font></div>
    <div><font face=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
    timing&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =3D 0.029 in.</font></div>
    <div><font face=3D"Arial">Online sites&nbsp;agree on&nbsp; =3D .012 in.=
=20
    cold.</font></div>
    <div><font face=3D"Arial"></font>&nbsp;</div>
    <div><font face=3D"Arial">So what is the 0.029 in. for?</font></div>
    <div><font face=3D"Arial"></font>&nbsp;</div>
    <div><font face=3D"Arial">Michael Rowe</font></div></div>
    <blockquote type=3D"cite">
      <div><span>------------------------</span><br clear=3D"none"><span></=
span><br clear=3D"none"><span><a rel=3D"nofollow" shape=3D"rect" ymailto=3D=
"mailto:[email-masked]" target=3D"_blank" href=3D"mailto:spridget=
[email-masked]">[email-masked]</a></span><br clear=3D"none"><sp=
an></span><br clear=3D"none"><span>Donate: <a rel=3D"nofollow" shape=3D"rec=
t" target=3D"_blank" href=3D"http://www.team.net/donate.html">http://www.te=
am.net/donate.html</a></span><br clear=3D"none"><span>Suggested annual dona=
tion: $12.75</span><br clear=3D"none"><span></span><br clear=3D"none"><span=
>Archive: <a rel=3D"nofollow" shape=3D"rect" target=3D"_blank" href=3D"http=
://www.team.net/archive">http://www.team.net/archive</a></span><br clear=3D=
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[email-masked]</a></span><br clear=3D"none"></div></blockquote></div></di=
v><br clear=3D"none">
    <div class=3D"yiv2869694541yqt3461902488" id=3D"yiv2869694541yqt21911">=
------------------------<br clear=3D"none"><br clear=3D"none"><a rel=3D"nof=
ollow" shape=3D"rect" ymailto=3D"mailto:[email-masked]" target=3D=
"_blank" href=3D"mailto:[email-masked]">[email-masked]<=
/a><br clear=3D"none"><br clear=3D"none">Donate: <a rel=3D"nofollow" shape=
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$12.75<br clear=3D"none"><br clear=3D"none">Archive: <a rel=3D"nofollow" sh=
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tions/spridgets/[email-masked]</a><br clear=3D"none"></div><br cle=
ar=3D"none"><br clear=3D"none"></div></blockquote></div></div></div></div><=
/blockquote></div></div></div><br><div class=3D"yqt8983054935" id=3D"yqt344=
43">------------------------<br clear=3D"none"><br clear=3D"none"><a shape=
=3D"rect" ymailto=3D"mailto:[email-masked]" href=3D"mailto:spridg=
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[email-masked]</a><br clear=3D"none"></div><br><br></div> </blockquote>  =
</div> </div>   </div></div></body></html>
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[email-masked]

--===============4293221836644657664==--

---

From: Rick Fisk via Spridgets <[email-masked]>
Date: Sat, 31 Oct 2015 19:16:07 -0400

--===============9081874646526439352==
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Why does increasing the rocker ratio cause a need for more clearance?

Sent from my keyboard

> On Oct 31, 2015, at 6:14 PM, Michael Rowe via Spridgets <[email-masked]=
eam.net> wrote:
>=20
> I used Minisport roller rockers bought cheap in the 2008-9 crash.  I no lo=
nger remember, but they probably are 1.5 (red), and I also used a "warm" Elg=
in cam that came in a box of parts.
> =20
> Where higher ratio rockers are to be used, the required valve clearance ca=
n then be assessed using this simple formula. For instance when using 1.5 ro=
ckers, you obviously need to multiply the cam/follower clearance by 1.5. So 0=
.010-in x 1.5 gives 0.015-in for standard/mild cams and 0.012-in x 1.5 gives=
 0.018-in for race/more-modified cams. Interestingly, most re-profiled perfo=
rmance cams generally have a suggested valve clearance of 0.016-in with stan=
dard ratio rockers. To assess required valve clearance where higher ratio ro=
ckers are used simply work it backwards and multiply by the higher ratio. Th=
is works out as 0.016-in divided by 1.25 =3D 0.0128, then x 1.5 =3D 0.0192" -=
 or 0.019" at the valve.
[email-masked]
[email-masked]
> Unsubscribe/Manage: http://autox.team.net/mailman/options/spridgets/refisk=
@chartermi.net

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div>Why does increasing the rocker ratio c=
ause a need for more clearance?<br><br>Sent from my keyboard</div><div><br>O=
n Oct 31, 2015, at 6:14 PM, Michael Rowe via Spridgets &lt;<a href=3D"mailto=
:[email-masked]">[email-masked]</a>&gt; wrote:<br><br></=
div><blockquote type=3D"cite"><div>

<meta content=3D"text/html; charset=3Dutf-8" http-equiv=3D"Content-Type">
<meta name=3D"GENERATOR" content=3D"MSHTML 9.00.8112.16708">

<div><font face=3D"Arial">I&nbsp;used Minisport roller rockers bought cheap i=
n the=20
2008-9 crash.&nbsp; I no longer remember, but they probably are 1.5=20
(red),&nbsp;and I also&nbsp;used a "warm" Elgin cam that came in a box of=20=

parts.</font></div>
<div><font face=3D"Arial"></font>&nbsp;</div>
<div><span>Where&nbsp;<a href=3D"http://www.spridgetmania.com/part/C-AHT436/=
Roller-Tipped-15-Ratio-Rockers-Aluminum">higher=20
ratio rockers</a>&nbsp;are to be used, the required valve clearance can then=
 be=20
assessed using this simple formula. For instance when using 1.5 rockers, you=
=20
obviously need to multiply the cam/follower clearance by 1.5. So 0.010-in x 1=
.5=20
gives 0.015-in for standard/mild cams and 0.012-in x 1.5 gives 0.018-in for=20=

race/more-modified cams. Interestingly, most re-profiled performance cams=20=

generally have a suggested valve clearance of 0.016-in with standard ratio=20=

rockers. To assess required valve clearance where higher ratio rockers are u=
sed=20
simply work it backwards and multiply by the higher ratio. This works out as=
=20
0.016-in divided by 1.25 =3D 0.0128, then x 1.5 =3D 0.0192" - or 0.019" at t=
he=20
valve.</span></div>
<blockquote style=3D"BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADD=
ING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px" dir=3D"ltr">
  <div style=3D"FONT: 10pt arial">----- Original Message ----- </div>
  <div style=3D"FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><b=
>From:</b>=20
  <a title=3D"[email-masked]" href=3D"mailto:[email-masked]=
t">Michael=20
  MacLean</a> </div>
  <div style=3D"FONT: 10pt arial"><b>To:</b> <a title=3D"[email-masked]=
t" href=3D"mailto:[email-masked]">Rick Fisk</a> ; <a title=3D"mdrowe@o=
ptonline.net" href=3D"mailto:[email-masked]">Michael Rowe</a>=20
  </div>
  <div style=3D"FONT: 10pt arial"><b>Cc:</b> <a title=3D"[email-masked]=
m.net" href=3D"mailto:[email-masked]">Spridgets</a> </div>
  <div style=3D"FONT: 10pt arial"><b>Sent:</b> Saturday, October 31, 2015 4:=
49=20
  PM</div>
  <div style=3D"FONT: 10pt arial"><b>Subject:</b> Re: [Spridgets] rocker=20
  clearance</div>
  <div><br></div>
  <div style=3D"BACKGROUND-COLOR: #fff; FONT-FAMILY: times new roman, new yo=
rk, times, serif; COLOR: #000; FONT-SIZE: 16px">
  <div id=3D"yui_3_16_0_1_1446323015003_17729">How about when you have 1.5 r=
ocker=20
  arms?&nbsp; Drove the Bugeye around yesterday.&nbsp; Runs great, still blu=
e=20
  smoke on acceleration on a recent rebuild.&nbsp; At leat 1000 miles since=20=

  rebuild.&nbsp; I'm afraid the rings never seated properly.&nbsp; Not sure o=
f=20
  the cylinder wall surface during the rebuild as I did not so that part of=20=

  it.<br></div>
  <div dir=3D"ltr" id=3D"yui_3_16_0_1_1446323015003_17730">Mike MacLean<br><=
/div>
  <div id=3D"yui_3_16_0_1_1446323015003_17731"><span></span></div><br>
  <div class=3D"qtdSeparateBR"><br><br></div>
  <div style=3D"DISPLAY: block" class=3D"yahoo_quoted">
  <div style=3D"FONT-FAMILY: times new roman, new york, times, serif; FONT-S=
IZE: 16px">
  <div style=3D"FONT-FAMILY: HelveticaNeue, Helvetica Neue, Helvetica, Arial=
, Lucida Grande, sans-serif; FONT-SIZE: 16px">
  <div dir=3D"ltr"><font size=3D"2" face=3D"Arial">On Saturday, October 31, 2=
015 1:26 PM,=20
  Rick Fisk via Spridgets &lt;<a href=3D"mailto:[email-masked]">sp=
[email-masked]</a>&gt;=20
  wrote:<br></font></div>
  <blockquote style=3D"BORDER-LEFT: rgb(16,16,255) 2px solid; MARGIN-TOP: 5p=
x; PADDING-LEFT: 5px; MARGIN-LEFT: 5px"><br><br>
    <div class=3D"y_msg_container">
    <div id=3D"yiv3068736433">
    <div>
    <div>The 0.029 in. spec is a whole different thing used when you are=20
    assembling the engine. &nbsp;If your engine is together and you just wan=
t to=20
    set the valve clearance it should be 0.012 in. set cold.<br clear=3D"non=
e"><br clear=3D"none">Sent from my keyboard</div>
    <div id=3D"yiv3068736433yqt61360" class=3D"yiv3068736433yqt3461902488">
    <div><br clear=3D"none">On Oct 31, 2015, at 4:06 PM, Michael Rowe via Sp=
ridgets=20
    &lt;<a href=3D"mailto:[email-masked]" shape=3D"rect" rel=3D"no=
follow" target=3D"_blank" ymailto=3D"mailto:[email-masked]">spridg=
[email-masked]</a>&gt;=20
    wrote:<br clear=3D"none"><br clear=3D"none"></div>
    <blockquote type=3D"cite">
      <div></div></blockquote></div></div>
    <div id=3D"yiv3068736433yqt64797" class=3D"yiv3068736433yqt3461902488">
    <style></style>
    </div>
    <div>
    <div id=3D"yiv3068736433yqt61805" class=3D"yiv3068736433yqt3461902488">
    <div><font face=3D"Arial">New 1275 engine.</font></div>
    <div><font face=3D"Arial">Haynes says "Rocker clearance, timing only=20
    =3D&nbsp;0.029 in.</font></div>
    <div><font face=3D"Arial">My mechanic/tutor says, "that is twice what it=
 should=20
    be."</font></div>
    <div><font face=3D"Arial">Bentley says:</font></div>
    <div><font face=3D"Arial">Rocker clearance: Running (Standard) =3D 0.012=
 in.=20
    cold</font></div>
    <div><font face=3D"Arial">&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=20
    &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nb=
sp;=20
    &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Running (competition work) =3D 0.0=
15=20
    in.</font></div>
    <div><font face=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
    timing&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; =3D 0.029 in.</font></div>
    <div><font face=3D"Arial">Online sites&nbsp;agree on&nbsp; =3D .012 in.=20=

    cold.</font></div>
    <div><font face=3D"Arial"></font>&nbsp;</div>
    <div><font face=3D"Arial">So what is the 0.029 in. for?</font></div>
    <div><font face=3D"Arial"></font>&nbsp;</div>
    <div><font face=3D"Arial">Michael Rowe</font></div></div>
    <blockquote type=3D"cite">
      <div><span>------------------------</span><br clear=3D"none"><span></s=
pan><br clear=3D"none"><span><a href=3D"mailto:[email-masked]" sha=
pe=3D"rect" rel=3D"nofollow" target=3D"_blank" ymailto=3D"mailto:spridgets@a=
utox.team.net">[email-masked]</a></span><br clear=3D"none"><span><=
/span><br clear=3D"none"><span>Donate: <a href=3D"http://www.team.net/donate=
.html" shape=3D"rect" rel=3D"nofollow" target=3D"_blank">http://www.team.net=
/donate.html</a></span><br clear=3D"none"><span>Suggested annual donation: $=
12.75</span><br clear=3D"none"><span></span><br clear=3D"none"><span>Archive=
: <a href=3D"http://www.team.net/archive" shape=3D"rect" rel=3D"nofollow" ta=
rget=3D"_blank">http://www.team.net/archive</a></span><br clear=3D"none"><sp=
an>Forums: <a href=3D"http://www.team.net/forums" shape=3D"rect" rel=3D"nofo=
llow" target=3D"_blank">http://www.team.net/forums</a></span><br clear=3D"no=
ne"><span>Unsubscribe/Manage: <a href=3D"http://autox.team.net/mailman/optio=
ns/spridgets/[email-masked]" shape=3D"rect" rel=3D"nofollow" target=3D=
"_blank">http://autox.team.net/mailman/options/spridgets/[email-masked]=
t</a></span><br clear=3D"none"></div></blockquote></div></div><br>
    <div id=3D"yqt21911" class=3D"yqt3461902488">------------------------<br=
 clear=3D"none"><br clear=3D"none"><a href=3D"mailto:[email-masked]=
t" shape=3D"rect" ymailto=3D"mailto:[email-masked]">spridgets@auto=
x.team.net</a><br clear=3D"none"><br clear=3D"none">Donate: <a href=3D"http:=
//www.team.net/donate.html" shape=3D"rect" target=3D"_blank">http://www.team=
.net/donate.html</a><br clear=3D"none">Suggested annual donation: $12.75<br c=
lear=3D"none"><br clear=3D"none">Archive: <a href=3D"http://www.team.net/arc=
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e/Manage: <a href=3D"http://autox.team.net/mailman/options/spridgets/rrengin=
[email-masked]" shape=3D"rect" target=3D"_blank">http://autox.team.net/mai=
lman/options/spridgets/[email-masked]</a><br clear=3D"none"></div><=
br><br></div></blockquote></div></div></div></div></blockquote>
</div></blockquote><blockquote type=3D"cite"><div><span>--------------------=
----</span><br><span></span><br><span><a href=3D"mailto:[email-masked]=
.net">[email-masked]</a></span><br><span></span><br><span>Donate: <=
a href=3D"http://www.team.net/donate.html">http://www.team.net/donate.html</=
a></span><br><span>Suggested annual donation: $12.75</span><br><span></span>=
<br><span>Archive: <a href=3D"http://www.team.net/archive">http://www.team.n=
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">http://www.team.net/forums</a></span><br><span>Unsubscribe/Manage: <a href=
=3D"http://autox.team.net/mailman/options/spridgets/[email-masked]">ht=
tp://autox.team.net/mailman/options/spridgets/[email-masked]</a></span=
><br></div></blockquote></body></html>=

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[email-masked]

--===============9081874646526439352==--

---

From: Ron Soave via Spridgets <[email-masked]>
Date: Sat, 31 Oct 2015 19:00:50 -0500

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It doesn't.=20

Ron Soave

> On Oct 31, 2015, at 6:16 PM, Rick Fisk via Spridgets <[email-masked]=
.net> wrote:
>> On Oct 31, 2015, at 6:14 PM, Michael Rowe via Spridgets <spridgets@autox.=
team.net> wrote:
>>=20
>> I used Minisport roller rockers bought cheap in the 2008-9 crash.  I no l=
onger remember, but they probably are 1.5 (red), and I also used a "warm" El=
gin cam that came in a box of parts.
>> =20
>> Where higher ratio rockers are to be used, the required valve clearance c=
an then be assessed using this simple formula. For instance when using 1.5 r=
ockers, you obviously need to multiply the cam/follower clearance by 1.5. So=
 0.010-in x 1.5 gives 0.015-in for standard/mild cams and 0.012-in x 1.5 giv=
es 0.018-in for race/more-modified cams. Interestingly, most re-profiled per=
formance cams generally have a suggested valve clearance of 0.016-in with st=
andard ratio rockers. To assess required valve clearance where higher ratio r=
ockers are used simply work it backwards and multiply by the higher ratio. T=
his works out as 0.016-in divided by 1.25 =3D 0.0128, then x 1.5 =3D 0.0192"=
 - or 0.019" at the valve.
>> How about when you have 1.5 rocker arms?  Drove the Bugeye around yesterd=
ay.  Runs great, still blue smoke on acceleration on a recent rebuild.  At l=
eat 1000 miles since rebuild.  I'm afraid the rings never seated properly.  N=
ot sure of the cylinder wall surface during the rebuild as I did not so that=
 part of it.
>> Mike MacLean
>>=20
>>=20
>>=20
>> On Saturday, October 31, 2015 1:26 PM, Rick Fisk via Spridgets <spridgets=
@autox.team.net> wrote:
>>=20
>>=20
>> The 0.029 in. spec is a whole different thing used when you are assemblin=
g the engine.  If your engine is together and you just want to set the valve=
 clearance it should be 0.012 in. set cold.
>>=20
>> Sent from my keyboard
>>=20
>>> On Oct 31, 2015, at 4:06 PM, Michael Rowe via Spridgets <spridgets@autox=
.team.net> wrote:
>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/spridgets/refi=
[email-masked]
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/spridgets/rreng=
[email-masked]
[email-masked]
> Unsubscribe/Manage: http://autox.team.net/mailman/options/spridgets/soaver=
[email-masked]

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div>It doesn't.&nbsp;<br><br>Ron Soave</di=
v><div><br>On Oct 31, 2015, at 6:16 PM, Rick Fisk via Spridgets &lt;<a href=3D=
"mailto:[email-masked]">[email-masked]</a>&gt; wrote:<br=
><br></div><blockquote type=3D"cite"><div><meta http-equiv=3D"content-type" c=
ontent=3D"text/html; charset=3Dutf-8"><div>Why does increasing the rocker ra=
tio cause a need for more clearance?<br><br>Sent from my keyboard</div><div>=
<br>On Oct 31, 2015, at 6:14 PM, Michael Rowe via Spridgets &lt;<a href=3D"m=
ailto:[email-masked]">[email-masked]</a>&gt; wrote:<br><=
br></div><blockquote type=3D"cite"><div>

parts.</font></div>

  it.<br></div>

    cold.</font></div>
><br></div></blockquote></div></blockquote><blockquote type=3D"cite"><div><s=
pan>------------------------</span><br><span></span><br><span><a href=3D"mai=
lto:[email-masked]">[email-masked]</a></span><br><span><=
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