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Re: [Fot] Differential Setup

To: Robert Lang <robertlangtr6@yahoo.com>
Subject: Re: [Fot] Differential Setup
From: Bob Kramer via Fot <fot@autox.team.net>
Date: Mon, 22 Jul 2019 09:05:08 -0500
Cc: FOT Triumph <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <898793127.2888179.1563800031968.ref@mail.yahoo.com> <898793127.2888179.1563800031968@mail.yahoo.com>
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Bob,

Have a look at this post. I think it covers the topic very well. I have
used OEM stuff so far and haven't run across this yet.

https://shoptalkforums.com/viewtopic.php?t=145363

Bob Kramer


On Mon, Jul 22, 2019 at 7:54 AM Robert Lang via Fot <fot@autox.team.net>
wrote:

> Hi,
>
> Thanks for the replies. On my initial setup, the ring gear was too tight
> against the pinion. I just moved the shims around to get things to free up
> and the pattern seems to be okay. So, I think, by extension, you need to
> set bearing preload, then pinion depth via shims on the gear side of the
> carrier and then backlash via the shims on the smooth side. That's what I
> did and that's what worked.
>
> The funny thing is, I did this setup YEARS ago with my 4.33 setup (and an
> Oerlikon gear courtesy of Carsten Conrads) and I ran that setup for over 10
> years in autocross. When I pulled it apart to scavenge the Quaife, the
> gears were perfect, so I musta done something right! But for the life of me
> I could not remember how I got there. Dumb luck is probably the answer.
>
> Now I gotta get this sucker in a car and run it for some break-in miles..
>
> As for pulling the carrier bearings off, I gotta make a better tool setup.
> I broke a two-jaw puller in the process and wound up having to cut off two
> carrier bearings to get the shims installed.
>
> Thanks for the input!
>
> Regards,
> Bob Lang
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
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>
>

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<div dir=3D"ltr"><div>Bob,=C2=A0</div><div><br></div><div>Have a look at th=
is post. I think it covers the topic very well. I have used OEM stuff so fa=
r and haven&#39;t run across this yet.</div><div><br></div><a href=3D"https=
://shoptalkforums.com/viewtopic.php?t=3D145363">https://shoptalkforums.com/=
viewtopic.php?t=3D145363</a>=C2=A0<div>=C2=A0<br clear=3D"all"><div><div di=
r=3D"ltr" class=3D"gmail_signature" data-smartmail=3D"gmail_signature"><div=
 dir=3D"ltr">Bob Kramer</div></div></div><br></div></div><br><div class=3D"=
gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Jul 22, 2019 at =
7:54 AM Robert Lang via Fot &lt;<a href=3D"mailto:fot@autox.team.net";>fot@a=
utox.team.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" sty=
le=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);paddi=
ng-left:1ex"><div><div class=3D"gmail-m_-410371138562444682yahoo-style-wrap=
" style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-seri=
f;font-size:13px"><div dir=3D"ltr">Hi,</div><div dir=3D"ltr"><br></div><div=
 dir=3D"ltr">Thanks for the replies. On my initial setup, the ring gear was=
 too tight against the pinion. I just moved the shims around to get things =
to free up and the pattern seems to be okay. So, I think, by extension, you=
 need to set bearing preload, then pinion depth via shims on the gear side =
of the carrier and then backlash via the shims on the smooth side. That&#39=
;s what I did and that&#39;s what worked.<br></div><div dir=3D"ltr"><br></d=
iv><div dir=3D"ltr">The funny thing is, I did this setup YEARS ago with my =
4.33 setup (and an Oerlikon gear courtesy of Carsten Conrads) and I ran tha=
t setup for over 10 years in autocross. When I pulled it apart to scavenge =
the Quaife, the gears were perfect, so I musta done something right! But fo=
r the life of me I could not remember how I got there. Dumb luck is probabl=
y the answer.</div><div dir=3D"ltr"><br></div><div dir=3D"ltr">Now I gotta =
get this sucker in a car and run it for some break-in miles..</div><div dir=
=3D"ltr"><br></div><div dir=3D"ltr">As for pulling the carrier bearings off=
, I gotta make a better tool setup. I broke a two-jaw puller in the process=
 and wound up having to cut off two carrier bearings to get the shims insta=
lled.<br></div><div dir=3D"ltr"><br></div><div dir=3D"ltr">Thanks for the i=
nput!</div><div dir=3D"ltr"><br></div><div dir=3D"ltr">Regards,</div><div d=
ir=3D"ltr">Bob Lang<br></div></div></div>__________________________________=
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/a><br>
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<br>
<br>
</blockquote></div>

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