Subject: Re: [Spridgets] Aluminum Head torque Specs?

From: corvallis--- via Spridgets <[email-masked]>
Date: Mon, 10 Aug 2015 02:45:15 -0700

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Does this help?  Bill in Oregon

https://www.google.com/#q=1275+aluminum+head+torque+spridget

This may be a hlpe on the Titan rocker valve lash:

https://www.google.com/#q=Titan+1.5+roller+rockers.valve+lash

  _____  

From: Spridgets [mailto:[email-masked]] On Behalf Of brian
S via Spridgets
Sent: Sunday, August 09, 2015 8:21 PM
To: spridgets list
Subject: [Spridgets] Aluminum Head torque Specs?

hey all,
 
I was hoping someone out there would happen to know the torque specs for and
aluminum head.
It's a 1275, I believe a Pierce head. I've run it about 500 miles or so
since it was installed so,
I figured that I should re-torque the head.
I went through my personal archives and didn't see any mention of it.
I've sent an email to the guy that built it, but haven't had a reply in a
few days,
and I know many of you are running them, so I thought I would ask the guru's
of the Spridgets list.
 
Also,
I should check the valve lash also,
any ideas of the clearance for that?
It has a Kent 276 cam and Titan 1.5 roller rockers.
It runs great, although the rockers do seem a bit noisy.
 
Thanks!

Brian S.
Bugeyeracer finally resto'ed!
Thanks to Frank C.!

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<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Does this help?&nbsp; Bill in =
<st1:State
w:st=3D"on"><st1:place =
w:st=3D"on">Oregon</st1:place></st1:State><o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><a
href=3D"https://www.google.com/#q=3D1275+aluminum+head+torque+spridget">h=
ttps://www.google.com/#q=3D1275+aluminum+head+torque+spridget</a><o:p></o=
:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
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10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>This may be a hlpe on the Titan =
rocker
valve lash:<o:p></o:p></span></font></p>

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style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><a
href=3D"https://www.google.com/#q=3DTitan+1.5+roller+rockers.valve+lash">=
https://www.google.com/#q=3DTitan+1.5+roller+rockers.valve+lash</a><o:p><=
/o:p></span></font></p>

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<p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font =
size=3D2
face=3DTahoma><span style=3D'font-size:10.0pt;font-family:Tahoma'> =
Spridgets
[mailto:[email-masked]] <b><span =
style=3D'font-weight:bold'>On
Behalf Of </span></b>brian S via Spridgets<br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Sunday, August 09, =
2015 8:21
PM<br>
<b><span style=3D'font-weight:bold'>To:</span></b> spridgets list<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> [Spridgets] =
Aluminum Head
torque Specs?</span></font><o:p></o:p></p>

</div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
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<div>

<p class=3DMsoNormal><font size=3D3 face=3DCalibri><span =
style=3D'font-size:12.0pt;
font-family:Calibri'>hey all,<br>
&nbsp;<br>
I was hoping someone out there would happen to know the torque specs for =
and
aluminum head.<br>
It's a 1275, I believe a Pierce head. I've run it about 500 miles or so =
since
it was installed so,<br>
I figured that I should re-torque the head.<br>
I went through my personal archives and didn't see any mention of =
it.<br>
I've sent an email to the guy that built it, but haven't had a reply in =
a few
days,<br>
and I know many of you are running them, so I thought I would ask the =
guru's of
the Spridgets list.<br>
&nbsp;<br>
Also,<br>
I should check the valve lash also,<br>
any ideas of the clearance for that?<br>
It has a <st1:country-region w:st=3D"on"><st1:place =
w:st=3D"on">Kent</st1:place></st1:country-region>
276 cam and Titan 1.5 roller rockers.<br>
It runs great, although the rockers do seem a bit noisy.<br>
&nbsp;<br>
Thanks!<br>
<br>
Brian S.<br>
Bugeyeracer finally resto'ed!<br>
Thanks to Frank C.!<br>
&nbsp;<o:p></o:p></span></font></p>

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---

From: Hal Faulkner via Spridgets <[email-masked]>
Date: Mon, 10 Aug 2015 03:25:10 -0700

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Brian,
Torque specs are for the studs.  It depends on the quality and size of your
fasteners.  ARP studs get tightened down more than stock....  The idea is
to get enough pre-load on them that they stretch "just enough."   The head
being aluminum should not have any effect on the torque required.
You should be able to find valve lash specs on the cam mfgr's web site.
There is an adjustment required when using 1.5 rockers, *IIRC,* it is to
increase the clearance by a factor of 1.5/1.3 =   1.15. Works out to be
about 3-4 thou. Vizard walks you through it in the yellow book,
unfortunately I can't get to my copy right at the moment.
HTH
Hal

On Sun, Aug 9, 2015 at 8:20 PM, brian S via Spridgets <
[email-masked]> wrote:

> hey all,
>
> I was hoping someone out there would happen to know the torque specs for
> and aluminum head.
> and I know many of you are running them, so I thought I would ask the
> guru's of the Spridgets list.
>
> Also,
> Donate: http://www.team.net/donate.html
> Suggested annual donation: $12.75
>
> Forums: http://www.team.net/forums
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/spridgets/[email-masked]
>
>

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<div dir=3D"ltr"><div><div><div><div>Brian, <br></div>Torque specs are for =
the studs.=C2=A0 It depends on the quality and size of your fasteners.=C2=
=A0 ARP studs get tightened down more than stock....=C2=A0 The idea is to g=
et enough pre-load on them that they stretch &quot;just enough.&quot;=C2=A0=
=C2=A0 The head being aluminum should not have any effect on the torque req=
uired. <br></div>You should be able to find valve lash specs on the cam mfg=
r&#39;s web site.=C2=A0 There is an adjustment required when using 1.5 rock=
ers,<b> </b><u><b>IIRC,</b></u><b> </b>it is to increase the clearance by a=
 factor of 1.5/1.3 =3D =C2=A0 1.15. Works out to be about 3-4 thou. Vizard =
walks you through it in the yellow book, unfortunately I can&#39;t get to m=
y copy right at the moment.<br></div>HTH<br></div>Hal<br></div><div class=
=3D"gmail_extra"><br><div class=3D"gmail_quote">On Sun, Aug 9, 2015 at 8:20=
 PM, brian S via Spridgets <span dir=3D"ltr">&lt;<a href=3D"mailto:spridget=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt;</span>=
 wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bor=
der-left:1px #ccc solid;padding-left:1ex">

<div><div dir=3D"ltr">hey all,<br>=C2=A0<br>I was hoping someone out there =
would happen to know the torque specs for and aluminum head.<br>It&#39;s a =
1275, I believe a Pierce head. I&#39;ve run it about 500 miles or so since =
it was installed so,<br>I figured that I should re-torque the head.<br>I we=
nt through my personal archives and didn&#39;t see any mention of it.<br>I&=
#39;ve sent an email to the guy that built it, but haven&#39;t had a reply =
in a few days,<br>and I know many of you are running them, so I thought I w=
ould ask the guru&#39;s of the Spridgets list.<br>=C2=A0<br>Also,<br>I shou=
ld check the valve lash also,<br>any ideas of the clearance for that?<br>It=
 has a Kent 276 cam and Titan 1.5 roller rockers.<br>It runs great, althoug=
h the rockers do seem a bit noisy.<br>=C2=A0<br>Thanks!<br><br>Brian S.<br>=
Bugeyeracer finally resto&#39;ed!<br>Thanks to Frank C.!<br>=C2=A0<br> 		 	=
   		  </div></div>
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