[Fot] Differential Setup
Bill Tobin
william.tobin31 at verizon.net
Wed Jul 24 19:51:52 MDT 2019
Hi Guys, it took me a bit to find this info.
Long ago, in a Galaxie far away ( might have been a Fairlane though.
Doubt it was a Falcon)?? ((think about it, Ford guys!)) I worked for
several Chrysler/Plymouth/Dodge garages. Did quite a few diffs
A few years ago I went to an auction of a closing dealership and bought
some Miller special tools, including a C 293 bearing puller. This puller
uses different inserts to fit various bearings. The Miller C 293 with
C293-45 inserts fits the side (carrier) bearings on my TR6. Didn't have
to pull the pinion bearings, but there should be inserts to do that. If
memory serves, C 293-37 inserts fit the pinions.?? There's a spacer that
is needed for the side bearings, C 293-3. One of those could easily be made.
Bear in mind, different bearings use different inserts.
I looked on ebay and found the Miller tools. Some are outlandishly
priced, but some are reasonable. Worth a look.
Hope this helps.
Cheers, Bill
On 7/22/2019 10:05 AM, Bob Kramer via Fot wrote:
> 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 at autox.team.net <mailto:fot at 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
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