Subject: [Spridgets] More highway speed for a bugeye?

From: "ryan.kubanoff--- via Spridgets" <[email-masked]>
Date: Sun, 10 May 2015 10:59:13 +0000 (UTC)

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So i have a 74 midget with a 1275, rib case, and a stock rear that will do 70+ on a highway no problem. Last year I bought a 60 bugeye that was modiifed by the previous owner to have a 998 cc motor, rib case and a stock bugeye rear. It has more trouble with highway speeds. Could I swap out the stock bugeye rear for a late model midgets? Would that improve performance? 
Thanks 
Ryan 

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<html><body><div style="font-family: Arial; font-size: 12pt; color: #000000"><div aria-label="Compose body">So i have a 74 midget with a 1275, rib case, and a stock rear that will do 70+ on a highway no problem. &nbsp;Last year I bought a 60 bugeye that was modiifed by the previous owner to have a 998 cc motor, rib case &nbsp;and a stock bugeye rear. &nbsp;It has more trouble with highway speeds. &nbsp;Could I swap out the stock bugeye rear for a late model midgets? &nbsp;Would that improve performance?</div><div aria-label="Compose body">Thanks</div><div aria-label="Compose body">Ryan</div></div></body></html>
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[email-masked]

Archive: http://www.team.net/archive

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From: WeslakeMonza1330--- via Spridgets <[email-masked]>
Date: Sun, 10 May 2015 11:03:22 -0400

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Not exactly!
 
The differential doesn't change the gearing of the rear axle.  The  gearing 
of the rear axle is down to the ring and pinion or what we call over in  
the UK, the crownwheel and pinion.
 
You want the ring and pinion fitted to the differential component and all  
fitted together in the differential as a single large component - what I 
believe  you call the pumpkin.  Probably your best bet is to simply buy a good 
3.9  from Alan Fisher who is having a clear out.
 
Changing the axle ratio doesn't improve the performance of the car it  
simply changes the gearing. To reduce the engine rpm for any given speed in 4th  
gear you need to replace the 4.22 diff with the 3.9 diff or fit a 5 speed  
gearbox with either.
 
If your car is struggling to maintain 70 mph you need to understand if this 
 is because the engine is really revving out (might have a diff lower than 
a 4.2  like a 4.5 or lower from a Morris Minor or whatever) or if the engine 
is simply  not running well enough to get up the required revs.
 
Regards
 
Daniel
 
PS: there are books with this stuff in...

In a message dated 10/05/2015 15:51:41 GMT Daylight Time,  
[email-masked] writes:

You only need the Differential which goes inside the pumpkin and rear  
axle.  As Derf said you want one that has 10/39 on the top of the  differential 
case but check yours first to see which you have now!  There  were at least 
3 available. Early cars were 4.22 to 1,  then there is 3.9  to 1 and the 
shorter 4.22 to 1.  The 4.22 is great for autocross -  the taller geared 3.77 
for highway use.  As was noted, the taller  gears are getting hard to find 
and usually demand a suitable hunk of  cash.

If you find a 3.9 or 3.77 that's inside a rear axle case and the seller  
won't part it out, buy the whole thing.  You'll need help picking it up!!  
DAMHIK....

Cheers!
Jim

On Sun, May 10, 2015 at 9:29 AM, derf via Spridgets  
<[email-masked] (mailto:[email-masked]) > wrote:

I know the basics but will have to defer on the details.   This is where 
Frank would chime in and sort it all out.  There are  others who know and 
share, but none like him.  Really miss that  guy.  

On Sun, May 10, 2015 at 9:22 AM, ryan.kubanoff--- via  Spridgets 
<[email-masked] (mailto:[email-masked]) > wrote:

So if I go to carlisle import show next weekend what should I be on  the 
lookout for or what should I avoid?  looking for rear pumpkin or  whole rear 
axle? how can I tell if possible whats good and whats  crap?
Thanks 
Ryan

____________________________________
From:  "derf" <[email-masked] (mailto:[email-masked]) >
To: "Ryan Kubanoff"  <[email-masked] 
(mailto:[email-masked]) >
Cc: "spridgets"  <[email-masked] 
(mailto:[email-masked]) >
Sent: Sunday, May  10, 2015 8:39:29 AM
Subject: Re: [Spridgets] More highway speed  for a bugeye?  

You might also look into stronger axle shafts while you're  doing rear end 
work.  Any Spridget diff chunk should fit in your rear  housing.  Just drop 
the drive shaft, pop the axles out, and swap the  chunk.  Diff ratios are 
stamped on top of the chunk.  "10/39" is  3.9. IIRC "9/38" is what you would 
have on your 4.22.

On Sun, May 10, 2015 at 5:59 AM, ryan.kubanoff---  via Spridgets 
<[email-masked] (mailto:[email-masked]) > wrote:

So i have a 74 midget with a 1275, rib case, and a stock rear that  will do 
70+ on a highway no problem.  Last year I bought a 60  bugeye that was 
modiifed by the previous owner to have a 998 cc motor,  rib case  and a stock 
bugeye rear.  It has more trouble with  highway speeds.  Could I swap out the 
stock bugeye rear for a late  model midgets?  Would that improve performance?
Thanks
Ryan

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3DUS-ASCII" http-equiv=3DContent-Type>
<META name=3DGENERATOR content=3D"MSHTML 11.00.9600.17728"></HEAD>
<BODY id=3Drole_body style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; COLOR:=
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<DIV>Not exactly!</DIV>
<DIV>&nbsp;</DIV>
<DIV>The differential doesn't change the gearing of the rear axle.&nbsp;=
 The=20
gearing of the rear axle is down to the ring and pinion or what we call ov=
er in=20
the UK, the crownwheel and pinion.</DIV>
<DIV>&nbsp;</DIV>
<DIV>You want the ring and pinion fitted to the differential component and=
 all=20
fitted together in the differential as a single large component - what I=
 believe=20
you call the pumpkin.&nbsp; Probably your best bet is to simply buy a good=
 3.9=20
from Alan Fisher who is having a clear out.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Changing the axle ratio doesn't improve the performance of the car it=
=20
simply changes the gearing. To reduce the engine rpm for any given speed=
 in 4th=20
gear you need to replace the 4.22 diff with the 3.9 diff or fit a 5 speed=
=20
gearbox with either.</DIV>
<DIV>&nbsp;</DIV>
<DIV>If your car is struggling to maintain 70 mph you need to understand=
 if this=20
is because the engine is really revving out (might have a diff lower than=
 a 4.2=20
like a 4.5 or lower from a Morris Minor or whatever) or if the engine is=
 simply=20
not running well enough to get up the required revs.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Regards</DIV>
<DIV>&nbsp;</DIV>
<DIV>Daniel</DIV>
<DIV>&nbsp;</DIV>
<DIV>PS: there are books with this stuff in...</DIV>
<DIV>&nbsp;</DIV>
<DIV>
<DIV>In a message dated 10/05/2015 15:51:41 GMT Daylight Time,=20
[email-masked] writes:</DIV>
<BLOCKQUOTE=20
style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"=
><FONT=20
  style=3D"BACKGROUND-COLOR: transparent" color=3D#000000 size=3D2 face=3D=
Arial>
  <DIV dir=3Dltr>
  <DIV><BR></DIV>
  <DIV>You only need the Differential which goes inside the pumpkin and re=
ar=20
  axle.&nbsp; As Derf said you want one that has 10/39 on the top of the=
=20
  differential case but check yours first to see which you have now!&nbsp;=
 There=20
  were at least 3 available. Early cars were 4.22 to 1, &nbsp;then there=
 is 3.9=20
  to 1 and the shorter 4.22 to 1.&nbsp; The 4.22 is great for autocross -=
=20
  &nbsp;the taller geared 3.77 for highway use.&nbsp; As was noted, the ta=
ller=20
  gears are getting hard to find and usually demand a suitable hunk of=20
  cash.</DIV>
  <DIV><BR></DIV>
  <DIV>If you find a 3.9 or 3.77 that's inside a rear axle case and the se=
ller=20
  won't part it out, buy the whole thing.&nbsp; You'll need help picking=
 it up!!=20
  &nbsp; DAMHIK....</DIV>
  <DIV><BR></DIV>
  <DIV>Cheers!</DIV>
  <DIV>Jim</DIV></DIV>
  <DIV class=3Dgmail_extra><BR>
  <DIV class=3Dgmail_quote>On Sun, May 10, 2015 at 9:29 AM, derf via Sprid=
gets=20
  <SPAN dir=3Dltr>&lt;<A title=3Dmailto:[email-masked]=20
  href=3D"mailto:[email-masked]"=20
  target=3D_blank>[email-masked]</A>&gt;</SPAN> wrote:<BR>
  <BLOCKQUOTE class=3Dgmail_quote=20
  style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc=
 1px solid">
    <DIV dir=3Dltr>I know the basics but will have to defer on the details=
.&nbsp;=20
    This is where Frank would chime in and sort it all out.&nbsp; There ar=
e=20
    others who know and share, but none like him.&nbsp; Really miss that=
=20
    guy.&nbsp; <BR></DIV>
    <DIV class=3DHOEnZb>
    <DIV class=3Dh5>
    <DIV class=3Dgmail_extra><BR>
    <DIV class=3Dgmail_quote>On Sun, May 10, 2015 at 9:22 AM, ryan.kubanof=
f--- via=20
    Spridgets <SPAN dir=3Dltr>&lt;<A title=3Dmailto:[email-masked]=
et=20
    href=3D"mailto:[email-masked]"=20
    target=3D_blank>[email-masked]</A>&gt;</SPAN> wrote:<BR>
    <BLOCKQUOTE class=3Dgmail_quote=20
    style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #c=
cc 1px solid">
      <DIV>
      <DIV style=3D"FONT-SIZE: 12pt; FONT-FAMILY: Arial; COLOR: #000000">
      <DIV>So if I go to carlisle import show next weekend what should I=
 be on=20
      the lookout for or what should I avoid? &nbsp;looking for rear pumpk=
in or=20
      whole rear axle? how can I tell if possible whats good and whats=20
      crap?</DIV>
      <DIV>Thanks&nbsp;</DIV>
      <DIV>Ryan</DIV>
      <DIV><BR></DIV>
      <HR>

      <DIV=20
      style=3D"FONT-SIZE: 12pt; TEXT-DECORATION: none; FONT-FAMILY: Helvet=
ica,Arial,sans-serif; FONT-WEIGHT: normal; COLOR: #000; FONT-STYLE: normal=
"><B>From:=20
      </B>"derf" &lt;<A title=3Dmailto:[email-masked]=20
      href=3D"mailto:[email-masked]"=20
      target=3D_blank>[email-masked]</A>&gt;<BR><B>To: </B>"Ryan Kubano=
ff"=20
      &lt;<A title=3Dmailto:[email-masked]=20
      href=3D"mailto:[email-masked]"=20
      target=3D_blank>[email-masked]</A>&gt;<BR><B>Cc: </B>"spr=
idgets"=20
      &lt;<A title=3Dmailto:[email-masked]=20
      href=3D"mailto:[email-masked]"=20
      target=3D_blank>[email-masked]</A>&gt;<BR><B>Sent: </B>Sun=
day, May=20
      10, 2015 8:39:29 AM<BR><B>Subject: </B>Re: [Spridgets] More highway=
 speed=20
      for a bugeye?=20
      <DIV>
      <DIV><BR>
      <DIV><BR></DIV>
      <DIV dir=3Dltr>You might also look into stronger axle shafts while=
 you're=20
      doing rear end work.&nbsp; Any Spridget diff chunk should fit in you=
r rear=20
      housing.&nbsp; Just drop the drive shaft, pop the axles out, and swa=
p the=20
      chunk.&nbsp; Diff ratios are stamped on top of the chunk.&nbsp; "10/=
39" is=20
      3.9. IIRC "9/38" is what you would have on your 4.22.<BR></DIV>
      <DIV class=3Dgmail_extra><BR>
      <DIV class=3Dgmail_quote>On Sun, May 10, 2015 at 5:59 AM, ryan.kuban=
off---=20
      via Spridgets <SPAN dir=3Dltr>&lt;<A title=3Dmailto:spridgets@autox.=
team.net=20
      href=3D"mailto:[email-masked]"=20
      target=3D_blank>[email-masked]</A>&gt;</SPAN> wrote:<BR>
      <BLOCKQUOTE class=3Dgmail_quote=20
      style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT:=
 #ccc 1px solid">
        <DIV>
        <DIV style=3D"FONT-SIZE: 12pt; FONT-FAMILY: Arial; COLOR: #000000"=
        <DIV>So i have a 74 midget with a 1275, rib case, and a stock rear=
 that=20
        will do 70+ on a highway no problem.&nbsp; Last year I bought a 60=
=20
        bugeye that was modiifed by the previous owner to have a 998 cc mo=
tor,=20
        rib case &nbsp;and a stock bugeye rear.&nbsp; It has more trouble=
 with=20
        highway speeds.&nbsp; Could I swap out the stock bugeye rear for=
 a late=20
        model midgets?&nbsp; Would that improve performance?</DIV>
        <DIV>Thanks</DIV><SPAN><SPAN style=3D"COLOR: #888888" color=3D"#88=
8888">
        <DIV>Ryan</DIV></SPAN></SPAN></DIV></DIV></BLOCKQUOTE></DIV></DIV>=
</DIV></DIV></DIV></DIV></DIV></BLOCKQUOTE></DIV></DIV></DIV></DIV></BLOCK=
QUOTE></DIV></DIV></FONT></BLOCKQUOTE></DIV></FONT></BODY></HTML>
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[email-masked]

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From: derf via Spridgets <[email-masked]>
Date: Sun, 10 May 2015 10:06:50 -0500

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What we call the differential includes the ring and pinion.  The assembly,
or pumpkin, is what he needs.

On Sun, May 10, 2015 at 10:03 AM, <[email-masked]> wrote:

> of the rear axle is down to the ring and pinion or what we call over in the
> UK, the crownwheel and pinion.
>
> believe you call the pumpkin.  Probably your best bet is to simply buy a
> good 3.9 from Alan Fisher who is having a clear out.
>
> simply changes the gearing. To reduce the engine rpm for any given speed in
> 4th gear you need to replace the 4.22 diff with the 3.9 diff or fit a 5
> speed gearbox with either.
>
> If your car is struggling to maintain 70 mph you need to understand if
> this is because the engine is really revving out (might have a diff lower
> than a 4.2 like a 4.5 or lower from a Morris Minor or whatever) or if the
> engine is simply not running well enough to get up the required revs.
>
> Regards
>
> Daniel
>
> axle.  As Derf said you want one that has 10/39 on the top of the
> differential case but check yours first to see which you have now!  There
> were at least 3 available. Early cars were 4.22 to 1,  then there is 3.9 to
> 1 and the shorter 4.22 to 1.  The 4.22 is great for autocross -  the taller
> geared 3.77 for highway use.  As was noted, the taller gears are getting
> hard to find and usually demand a suitable hunk of cash.
>
> On Sun, May 10, 2015 at 9:29 AM, derf via Spridgets <
> [email-masked]> wrote:
>
>> On Sun, May 10, 2015 at 9:22 AM, ryan.kubanoff--- via Spridgets <
>> [email-masked]> wrote:
>>
>>>  So if I go to carlisle import show next weekend what should I be on
>>> the lookout for or what should I avoid?  looking for rear pumpkin or whole
>>> rear axle? how can I tell if possible whats good and whats crap?
>>> Thanks
>>> Ryan
>>>
>>> ------------------------------
>>> *From: *"derf" <[email-masked]>
>>> *To: *"Ryan Kubanoff" <[email-masked]>
>>> *Cc: *"spridgets" <[email-masked]>
>>> *Sent: *Sunday, May 10, 2015 8:39:29 AM
>>> *Subject: *Re: [Spridgets] More highway speed for a bugeye?
>>>
>>>
>>> You might also look into stronger axle shafts while you're doing rear
>>> end work.  Any Spridget diff chunk should fit in your rear housing.  Just
>>> drop the drive shaft, pop the axles out, and swap the chunk.  Diff ratios
>>> are stamped on top of the chunk.  "10/39" is 3.9. IIRC "9/38" is what you
>>> would have on your 4.22.
>>>
>>> On Sun, May 10, 2015 at 5:59 AM, ryan.kubanoff--- via Spridgets <
>>> [email-masked]> wrote:
>>>
>>>>  So i have a 74 midget with a 1275, rib case, and a stock rear that
>>>> will do 70+ on a highway no problem.  Last year I bought a 60 bugeye that
>>>> was modiifed by the previous owner to have a 998 cc motor, rib case  and a
>>>> stock bugeye rear.  It has more trouble with highway speeds.  Could I swap
>>>> out the stock bugeye rear for a late model midgets?  Would that improve
>>>> performance?
>>>> Thanks
>>>> Ryan
>>>>
>>>

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<div dir=3D"ltr">What we call the differential includes the ring and pinion=
.=C2=A0 The assembly, or pumpkin, is what he needs.=C2=A0 <br></div><div cl=
ass=3D"gmail_extra"><br><div class=3D"gmail_quote">On Sun, May 10, 2015 at =
10:03 AM,  <span dir=3D"ltr">&lt;<a href=3D"mailto:[email-masked]=
" target=3D"_blank">[email-masked]</a>&gt;</span> wrote:<br><bloc=
kquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #cc=
c solid;padding-left:1ex"><u></u>

<div style=3D"FONT-SIZE:10pt;FONT-FAMILY:Arial;COLOR:#000000"><font color=
=3D"#000000" face=3D"Arial" size=3D"2">
<div>Not exactly!</div>
<div>=C2=A0</div>
<div>The differential doesn&#39;t change the gearing of the rear axle.=C2=
=A0 The=20
gearing of the rear axle is down to the ring and pinion or what we call ove=
r in=20
the UK, the crownwheel and pinion.</div>
<div>=C2=A0</div>
<div>You want the ring and pinion fitted to the differential component and =
all=20
fitted together in the differential as a single large component - what I be=
lieve=20
you call the pumpkin.=C2=A0 Probably your best bet is to simply buy a good =
3.9=20
from Alan Fisher who is having a clear out.</div>
<div>=C2=A0</div>
<div>Changing the axle ratio doesn&#39;t improve the performance of the car=
 it=20
simply changes the gearing. To reduce the engine rpm for any given speed in=
 4th=20
gear you need to replace the 4.22 diff with the 3.9 diff or fit a 5 speed=
=20
gearbox with either.</div>
<div>=C2=A0</div>
<div>If your car is struggling to maintain 70 mph you need to understand if=
 this=20
is because the engine is really revving out (might have a diff lower than a=
 4.2=20
like a 4.5 or lower from a Morris Minor or whatever) or if the engine is si=
mply=20
not running well enough to get up the required revs.</div>
<div>=C2=A0</div>
<div>Regards</div>
<div>=C2=A0</div>
<div>Daniel</div>
<div>=C2=A0</div>
<div>PS: there are books with this stuff in...</div>
<div>=C2=A0</div>
<div><span class=3D"">
<div>In a message dated 10/05/2015 15:51:41 GMT Daylight Time,=20
<a href=3D"mailto:[email-masked]" target=3D"_blank">spridgets@aut=
ox.team.net</a> writes:</div>
</span><blockquote style=3D"PADDING-LEFT:5px;MARGIN-LEFT:5px;BORDER-LEFT:bl=
ue 2px solid"><font style=3D"BACKGROUND-COLOR:transparent" color=3D"#000000=
" face=3D"Arial" size=3D"2"><span class=3D"">
  <div dir=3D"ltr">
  <div><br></div>
  <div>You only need the Differential which goes inside the pumpkin and rea=
r=20
  axle.=C2=A0 As Derf said you want one that has 10/39 on the top of the=20
  differential case but check yours first to see which you have now!=C2=A0 =
There=20
  were at least 3 available. Early cars were 4.22 to 1, =C2=A0then there is=
 3.9=20
  to 1 and the shorter 4.22 to 1.=C2=A0 The 4.22 is great for autocross -=
=20
  =C2=A0the taller geared 3.77 for highway use.=C2=A0 As was noted, the tal=
ler=20
  gears are getting hard to find and usually demand a suitable hunk of=20
  cash.</div>
  <div><br></div>
  <div>If you find a 3.9 or 3.77 that&#39;s inside a rear axle case and the=
 seller=20
  won&#39;t part it out, buy the whole thing.=C2=A0 You&#39;ll need help pi=
cking it up!!=20
  =C2=A0 DAMHIK....</div>
  <div><br></div>
  <div>Cheers!</div>
  <div>Jim</div></div>
  </span><div class=3D"gmail_extra"><br>
  <div class=3D"gmail_quote"><span class=3D"">On Sun, May 10, 2015 at 9:29 =
AM, derf via Spridgets=20
  <span dir=3D"ltr">&lt;<a title=3D"mailto:[email-masked]" href=
=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
.net</a>&gt;</span> wrote:<br>
  </span><blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT:1ex;MARGIN=
:0px 0px 0px 0.8ex;BORDER-LEFT:#ccc 1px solid"><span class=3D"">
    <div dir=3D"ltr">I know the basics but will have to defer on the detail=
s.=C2=A0=20
    This is where Frank would chime in and sort it all out.=C2=A0 There are=
=20
    others who know and share, but none like him.=C2=A0 Really miss that=20
    guy.=C2=A0 <br></div>
    </span><span class=3D""><div>
    <div>
    <div class=3D"gmail_extra"><br>
    <div class=3D"gmail_quote">On Sun, May 10, 2015 at 9:22 AM, ryan.kubano=
ff--- via=20
    Spridgets <span dir=3D"ltr">&lt;<a title=3D"mailto:[email-masked]=
.net" href=3D"mailto:[email-masked]" target=3D"_blank">spridgets@=
autox.team.net</a>&gt;</span> wrote:<br>
    <blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT:1ex;MARGIN:0px =
0px 0px 0.8ex;BORDER-LEFT:#ccc 1px solid">
      <div>
      <div style=3D"FONT-SIZE:12pt;FONT-FAMILY:Arial;COLOR:#000000">
      <div>So if I go to carlisle import show next weekend what should I be=
 on=20
      the lookout for or what should I avoid? =C2=A0looking for rear pumpki=
n or=20
      whole rear axle? how can I tell if possible whats good and whats=20
      crap?</div>
      <div>Thanks=C2=A0</div>
      <div>Ryan</div>
      <div><br></div>
      <hr>

      <div style=3D"FONT-SIZE:12pt;TEXT-DECORATION:none;FONT-FAMILY:Helveti=
ca,Arial,sans-serif;FONT-WEIGHT:normal;COLOR:#000;FONT-STYLE:normal"><b>Fro=
m:=20
      </b>&quot;derf&quot; &lt;<a title=3D"mailto:[email-masked]" href=
=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]</a>&gt;<b=
r><b>To: </b>&quot;Ryan Kubanoff&quot;=20
      &lt;<a title=3D"mailto:[email-masked]" href=3D"mailto:ryan=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt;<=
br><b>Cc: </b>&quot;spridgets&quot;=20
      &lt;<a title=3D"mailto:[email-masked]" href=3D"mailto:sprid=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt;<br>=
<b>Sent: </b>Sunday, May=20
      10, 2015 8:39:29 AM<br><b>Subject: </b>Re: [Spridgets] More highway s=
peed=20
      for a bugeye?=20
      <div>
      <div><br>
      <div><br></div>
      <div dir=3D"ltr">You might also look into stronger axle shafts while =
you&#39;re=20
      doing rear end work.=C2=A0 Any Spridget diff chunk should fit in your=
 rear=20
      housing.=C2=A0 Just drop the drive shaft, pop the axles out, and swap=
 the=20
      chunk.=C2=A0 Diff ratios are stamped on top of the chunk.=C2=A0 &quot=
;10/39&quot; is=20
      3.9. IIRC &quot;9/38&quot; is what you would have on your 4.22.<br></=
div>
      <div class=3D"gmail_extra"><br>
      <div class=3D"gmail_quote">On Sun, May 10, 2015 at 5:59 AM, ryan.kuba=
noff---=20
      via Spridgets <span dir=3D"ltr">&lt;<a title=3D"mailto:spridgets@auto=
x.team.net" href=3D"mailto:[email-masked]" target=3D"_blank">spri=
[email-masked]</a>&gt;</span> wrote:<br>
      <blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT:1ex;MARGIN:0p=
x 0px 0px 0.8ex;BORDER-LEFT:#ccc 1px solid">
        <div>
        <div style=3D"FONT-SIZE:12pt;FONT-FAMILY:Arial;COLOR:#000000">
        <div>So i have a 74 midget with a 1275, rib case, and a stock rear =
that=20
        will do 70+ on a highway no problem.=C2=A0 Last year I bought a 60=
=20
        bugeye that was modiifed by the previous owner to have a 998 cc mot=
or,=20
        rib case =C2=A0and a stock bugeye rear.=C2=A0 It has more trouble w=
ith=20
        highway speeds.=C2=A0 Could I swap out the stock bugeye rear for a =
late=20
        model midgets?=C2=A0 Would that improve performance?</div>
        <div>Thanks</div><span><span style=3D"COLOR:#888888" color=3D"#8888=
88">
        <div>Ryan</div></span></span></div></div></blockquote></div></div><=
/div></div></div></div></div></blockquote></div></div></div></div></span></=
blockquote></div></div></font></blockquote></div></font></div></blockquote>=
</div><br></div>

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[email-masked]

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From: WeslakeMonza1330--- via Spridgets <[email-masked]>
Date: Sun, 10 May 2015 17:36:18 -0400

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Are you sure?  
 
If the differential includes the ring and pinion but without the  
assembly/pumpkin then the pinion is a loose item because it's not fixed to  anything. 
 The ring or crownwheel is bolted to the differential but the  pinion is 
bolted into the pumpkin.

In a message dated 10/05/2015 16:06:50 GMT Daylight Time, [email-masked] 
 writes:

On Sun, May 10, 2015 at 10:03 AM, <[email-masked] 
(mailto:[email-masked]) > wrote:

Not exactly!

 
 
If your car is struggling to maintain 70 mph you need to understand if  
this is because the engine is really revving out (might have a diff lower  than 
a 4.2 like a 4.5 or lower from a Morris Minor or whatever) or if the  
engine is simply not running well enough to get up the required revs.
 
Regards
 
Daniel

In a message dated 10/05/2015 15:51:41 GMT Daylight Time, 
[email-masked] (mailto:[email-masked])  writes:

Cheers!
Jim

 

 

 
stock bugeye  rear for a late model midgets?  Would that improve  
performance?
Thanks
Ryan

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3DUS-ASCII" http-equiv=3DContent-Type>
<META name=3DGENERATOR content=3D"MSHTML 11.00.9600.17728"></HEAD>
<BODY id=3Drole_body style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; COLOR:=
 #000000"=20
bottomMargin=3D7 leftMargin=3D7 rightMargin=3D7 topMargin=3D7><FONT id=3Dr=
ole_document=20
color=3D#000000 size=3D2 face=3DArial>
<DIV>Are you sure?&nbsp; </DIV>
<DIV>&nbsp;</DIV>
<DIV>If the differential includes the ring and pinion but without the=20
assembly/pumpkin then the pinion is a loose item because it's not fixed to=
=20
anything.&nbsp; The ring or crownwheel is bolted to the differential but=
 the=20
pinion is bolted into the pumpkin.</DIV>
<DIV>&nbsp;</DIV>
<DIV>
<DIV>In a message dated 10/05/2015 16:06:50 GMT Daylight Time, derf247@gma=
il.com=20
writes:</DIV>
<BLOCKQUOTE=20
style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"=
  style=3D"BACKGROUND-COLOR: transparent" color=3D#000000 size=3D2 face=3D=
Arial>
  <DIV dir=3Dltr>What we call the differential includes the ring and pinio=
n.&nbsp;=20
  The assembly, or pumpkin, is what he needs.&nbsp; <BR></DIV>
  <DIV class=3Dgmail_extra><BR>
  <DIV class=3Dgmail_quote>On Sun, May 10, 2015 at 10:03 AM, <SPAN dir=3Dl=
tr>&lt;<A=20
  title=3Dmailto:[email-masked] href=3D"mailto:WeslakeMonza1330@=
aol.com"=20
  target=3D_blank>[email-masked]</A>&gt;</SPAN> wrote:<BR>
  <BLOCKQUOTE class=3Dgmail_quote=20
  style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc=
 1px solid"><U></U>
    <DIV style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; COLOR: #000000"><FO=
NT=20
    color=3D#000000 size=3D2 face=3DArial>
    <DIV>Not exactly!</DIV>
    <DIV>&nbsp;</DIV>
    <DIV>The differential doesn't change the gearing of the rear axle.&nbs=
p; The=20
    gearing of the rear axle is down to the ring and pinion or what we cal=
l over=20
    in the UK, the crownwheel and pinion.</DIV>
    <DIV>&nbsp;</DIV>
    <DIV>You want the ring and pinion fitted to the differential component=
 and=20
    all fitted together in the differential as a single large component -=
 what I=20
    believe you call the pumpkin.&nbsp; Probably your best bet is to simpl=
y buy=20
    a good 3.9 from Alan Fisher who is having a clear out.</DIV>
    <DIV>&nbsp;</DIV>
    <DIV>Changing the axle ratio doesn't improve the performance of the ca=
r it=20
    simply changes the gearing. To reduce the engine rpm for any given spe=
ed in=20
    4th gear you need to replace the 4.22 diff with the 3.9 diff or fit a=
 5=20
    speed gearbox with either.</DIV>
    <DIV>&nbsp;</DIV>
    <DIV>If your car is struggling to maintain 70 mph you need to understa=
nd if=20
    this is because the engine is really revving out (might have a diff lo=
wer=20
    than a 4.2 like a 4.5 or lower from a Morris Minor or whatever) or if=
 the=20
    engine is simply not running well enough to get up the required revs.<=
/DIV>
    <DIV>&nbsp;</DIV>
    <DIV>Regards</DIV>
    <DIV>&nbsp;</DIV>
    <DIV>Daniel</DIV>
    <DIV>&nbsp;</DIV>
    <DIV>PS: there are books with this stuff in...</DIV>
    <DIV>&nbsp;</DIV>
    <DIV><SPAN>
    <DIV>In a message dated 10/05/2015 15:51:41 GMT Daylight Time, <A=20
    title=3Dmailto:[email-masked] href=3D"mailto:spridgets@autox=
.team.net"=20
    target=3D_blank>[email-masked]</A> writes:</DIV></SPAN>
    <BLOCKQUOTE=20
    style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px so=
lid"><FONT=20
      style=3D"BACKGROUND-COLOR: transparent" color=3D#000000 size=3D2=20
      face=3DArial><SPAN>
      <DIV dir=3Dltr>
      <DIV><BR></DIV>
      <DIV>You only need the Differential which goes inside the pumpkin an=
d rear=20
      axle.&nbsp; As Derf said you want one that has 10/39 on the top of=
 the=20
      differential case but check yours first to see which you have now!&n=
bsp;=20
      There were at least 3 available. Early cars were 4.22 to 1, &nbsp;th=
en=20
      there is 3.9 to 1 and the shorter 4.22 to 1.&nbsp; The 4.22 is great=
 for=20
      autocross - &nbsp;the taller geared 3.77 for highway use.&nbsp; As=
 was=20
      noted, the taller gears are getting hard to find and usually demand=
 a=20
      suitable hunk of cash.</DIV>
      <DIV><BR></DIV>
      <DIV>If you find a 3.9 or 3.77 that's inside a rear axle case and th=
e=20
      seller won't part it out, buy the whole thing.&nbsp; You'll need hel=
p=20
      picking it up!! &nbsp; DAMHIK....</DIV>
      <DIV><BR></DIV>
      <DIV>Cheers!</DIV>
      <DIV>Jim</DIV></DIV></SPAN>
      <DIV class=3Dgmail_extra><BR>
      <DIV class=3Dgmail_quote><SPAN>On Sun, May 10, 2015 at 9:29 AM, derf=
 via=20
      Spridgets <SPAN dir=3Dltr>&lt;<A title=3Dmailto:[email-masked]=
.net=20
      href=3D"mailto:[email-masked]"=20
      target=3D_blank>[email-masked]</A>&gt;</SPAN> wrote:<BR></=
SPAN>
      <BLOCKQUOTE class=3Dgmail_quote=20
      style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT:=
 #ccc 1px solid"><SPAN>
        <DIV dir=3Dltr>I know the basics but will have to defer on the=20
        details.&nbsp; This is where Frank would chime in and sort it all=
=20
        out.&nbsp; There are others who know and share, but none like him.=
&nbsp;=20
        Really miss that guy.&nbsp; <BR></DIV></SPAN><SPAN>
        <DIV>
        <DIV>
        <DIV class=3Dgmail_extra><BR>
        <DIV class=3Dgmail_quote>On Sun, May 10, 2015 at 9:22 AM, ryan.kub=
anoff---=20
        via Spridgets <SPAN dir=3Dltr>&lt;<A title=3Dmailto:spridgets@auto=
x.team.net=20
        href=3D"mailto:[email-masked]"=20
        target=3D_blank>[email-masked]</A>&gt;</SPAN> wrote:<BR>
        <BLOCKQUOTE class=3Dgmail_quote=20
        style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT=
: #ccc 1px solid">
          <DIV>
          <DIV style=3D"FONT-SIZE: 12pt; FONT-FAMILY: Arial; COLOR: #00000=
0">
          <DIV>So if I go to carlisle import show next weekend what should=
 I be=20
          on the lookout for or what should I avoid? &nbsp;looking for rea=
r=20
          pumpkin or whole rear axle? how can I tell if possible whats goo=
d and=20
          whats crap?</DIV>
          <DIV>Thanks&nbsp;</DIV>
          <DIV>Ryan</DIV>
          <DIV><BR></DIV>
          <HR>

          <DIV=20
          style=3D"FONT-SIZE: 12pt; TEXT-DECORATION: none; FONT-FAMILY: He=
lvetica,Arial,sans-serif; FONT-WEIGHT: normal; COLOR: #000; FONT-STYLE: no=
rmal"><B>From:=20
          </B>"derf" &lt;<A title=3Dmailto:[email-masked]=20
          href=3D"mailto:[email-masked]"=20
          target=3D_blank>[email-masked]</A>&gt;<BR><B>To: </B>"Ryan Ku=
banoff"=20
          &lt;<A title=3Dmailto:[email-masked]=20
          href=3D"mailto:[email-masked]"=20
          target=3D_blank>[email-masked]</A>&gt;<BR><B>Cc:=20
          </B>"spridgets" &lt;<A title=3Dmailto:[email-masked]=
=20
          href=3D"mailto:[email-masked]"=20
          target=3D_blank>[email-masked]</A>&gt;<BR><B>Sent: </B=
>Sunday,=20
          May 10, 2015 8:39:29 AM<BR><B>Subject: </B>Re: [Spridgets] More=
=20
          highway speed for a bugeye?=20
          <DIV>
          <DIV><BR>
          <DIV><BR></DIV>
          <DIV dir=3Dltr>You might also look into stronger axle shafts whi=
le=20
          you're doing rear end work.&nbsp; Any Spridget diff chunk should=
 fit=20
          in your rear housing.&nbsp; Just drop the drive shaft, pop the=
 axles=20
          out, and swap the chunk.&nbsp; Diff ratios are stamped on top of=
 the=20
          chunk.&nbsp; "10/39" is 3.9. IIRC "9/38" is what you would have=
 on=20
          your 4.22.<BR></DIV>
          <DIV class=3Dgmail_extra><BR>
          <DIV class=3Dgmail_quote>On Sun, May 10, 2015 at 5:59 AM,=20
          ryan.kubanoff--- via Spridgets <SPAN dir=3Dltr>&lt;<A=20
          title=3Dmailto:[email-masked]=20
          href=3D"mailto:[email-masked]"=20
          target=3D_blank>[email-masked]</A>&gt;</SPAN> wrote:<B=
R>
          <BLOCKQUOTE class=3Dgmail_quote=20
          style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LE=
FT: #ccc 1px solid">
            <DIV>
            <DIV style=3D"FONT-SIZE: 12pt; FONT-FAMILY: Arial; COLOR: #000=
000">
            <DIV>So i have a 74 midget with a 1275, rib case, and a stock=
 rear=20
            that will do 70+ on a highway no problem.&nbsp; Last year I bo=
ught a=20
            60 bugeye that was modiifed by the previous owner to have a 99=
8 cc=20
            motor, rib case &nbsp;and a stock bugeye rear.&nbsp; It has mo=
re=20
            trouble with highway speeds.&nbsp; Could I swap out the stock=
 bugeye=20
            rear for a late model midgets?&nbsp; Would that improve=20
            performance?</DIV>
            <DIV>Thanks</DIV><SPAN><SPAN style=3D"COLOR: #888888" color=3D=
"#888888">
            <DIV>Ryan</DIV></SPAN></SPAN></DIV></DIV></BLOCKQUOTE></DIV></=
DIV></DIV></DIV></DIV></DIV></DIV></BLOCKQUOTE></DIV></DIV></DIV></DIV></S=
PAN></BLOCKQUOTE></DIV></DIV></FONT></BLOCKQUOTE></DIV></FONT></DIV></BLOC=
KQUOTE></DIV></DIV></FONT></BLOCKQUOTE></DIV></FONT></BODY></HTML>
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[email-masked]

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From: WeslakeMonza1330--- via Spridgets <[email-masked]>
Date: Mon, 11 May 2015 13:07:34 -0400

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So, if that's the diff which is fitted with the ring and pinion in the diff 
 carrier, what is the pumpkin?

In a message dated 10/05/2015 22:48:36 GMT Daylight Time,  
[email-masked] writes:

This is  a differential in Yankee talk.

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><META content=3D"text/html; charset=3DUS-ASCII" http-equiv=3DC=
ontent-Type></HEAD>
<BODY id=3Drole_body style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; COLOR:=
 #000000"   bottomMargin=3D7 leftMargin=3D7 rightMargin=3D7 topMargin=3D7>=
<FONT id=3Drole_document   color=3D#000000 size=3D2 face=3DArial>
<DIV>So, if that's the diff which is fitted with the ring and pinion in th=
e diff=20
carrier, what is the pumpkin?</DIV>
<DIV>&nbsp;</DIV>
<DIV>
<DIV>In a message dated 10/05/2015 22:48:36 GMT Daylight Time,=20
[email-masked] writes:</DIV>
<BLOCKQUOTE   style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT:=
 blue 2px solid"><FONT     style=3D"BACKGROUND-COLOR: transparent" color=
=3D#000000 size=3D2 face=3DArial>This is=20
  a differential in Yankee talk.<BR><BR><BR><BR><IMG SRC=3D"cid:X.MA1.1431=
[email-masked]"  DATASIZE=3D"58451" ID=3D"MA1.1431364034"     ></FONT></BL=
OCKQUOTE></DIV></FONT></BODY></HTML>
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[email-masked]

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From: Billy Zoom via Spridgets <[email-masked]>
Date: Mon, 11 May 2015 11:35:11 -0700

> This message is in MIME format. Since your mail reader does not understand
this format, some or all of this message may not be legible.

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Where I came from, the pumpkin was the bulge in the housing that you put
your floor jack under. The differential was inside the pumpkin. The
Differential could also be called the third member.

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<HTML>
<HEAD>
<TITLE>Re: [Spridgets] More highway speed for a bugeye?</TITLE>
</HEAD>
<BODY>
<FONT FACE=3D"Geneva, Verdana, Helvetica, Arial"><SPAN STYLE=3D'font-size:14.0p=
x'>Where I came from, the pumpkin was the bulge in the housing that you put =
your floor jack under. The differential was inside the pumpkin. The Differen=
tial could also be called the third member.</SPAN></FONT>
</BODY>
</HTML>

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[email-masked]

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From: WeslakeMonza1330--- via Spridgets <[email-masked]>
Date: Mon, 11 May 2015 17:10:15 -0400

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So I was right!

In a message dated 10/05/2015 22:36:18 GMT Daylight Time,  
[email-masked] writes:

Are you sure?  

In a message dated 10/05/2015 16:06:50 GMT Daylight Time,  
[email-masked] writes:

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3DUS-ASCII" http-equiv=3DContent-Type>
<META name=3DGENERATOR content=3D"MSHTML 11.00.9600.17728"></HEAD>
<BODY id=3Drole_body style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial; COLOR:=
 #000000"=20
bottomMargin=3D7 leftMargin=3D7 rightMargin=3D7 topMargin=3D7><FONT id=3Dr=
ole_document=20
color=3D#000000 size=3D2 face=3DArial>
<DIV>So I was right!</DIV>
<DIV>&nbsp;</DIV>
<DIV>
<DIV>In a message dated 10/05/2015 22:36:18 GMT Daylight Time,=20
[email-masked] writes:</DIV>
<BLOCKQUOTE=20
style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"=
  style=3D"BACKGROUND-COLOR: transparent" color=3D#000000 size=3D2 face=3D=
Arial><FONT=20
  color=3D#000000 size=3D2 face=3DArial>
  <DIV>Are you sure?&nbsp; </DIV>
  <DIV>&nbsp;</DIV>
  <DIV>If the differential includes the ring and pinion but without the=20
  assembly/pumpkin then the pinion is a loose item because it's not fixed=
 to=20
  anything.&nbsp; The ring or crownwheel is bolted to the differential but=
 the=20
  pinion is bolted into the pumpkin.</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>
  <DIV>In a message dated 10/05/2015 16:06:50 GMT Daylight Time,=20
  [email-masked] writes:</DIV>
  <BLOCKQUOTE=20
  style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px soli=
d"><FONT=20
    style=3D"BACKGROUND-COLOR: transparent" color=3D#000000 size=3D2 face=
=3DArial>
    <DIV dir=3Dltr>What we call the differential includes the ring and=20
    pinion.&nbsp; The assembly, or pumpkin, is what he needs.&nbsp;=20
  </DIV></FONT></BLOCKQUOTE></DIV></FONT></FONT></BLOCKQUOTE></DIV></FONT>=
</BODY></HTML>
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[email-masked]

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