<VV> RE: Differential rebuild
Kirby Smith
kirbyasmith at gwi.net
Tue Jul 26 10:35:19 EDT 2005
I did this in the second phase (of 4 so far) of my 30+ year intermittent
restoration project using gears from, I believe, Crown. I have
positraction. The original spider gears broke after about 300 laps over
a few years at the local race track. I had a Chevy dealership replace
them at the time, but later when I seriously got into reconstruction of
the car, I replaced them with the 4-gear design. You will need to be
able to make appropriate measurements in the differential as shown in
the factory service manual.
kirby, '66 turbo Corsa
Cliff Tibbitts wrote:
> Question regarding the differential.
>
> I have a stock '66' 3.55 differential, not posi. I have been advised by a
> few people to replace the two spyder gears with a 4 spyder set up. Clark's
> maintains that there are no modifications necessary to the case. However, I
> don't know of anyone who has actually done the work themselves. Usually,
> they prefer to send the differential out and let someone else work on it.
> Any of you done one at home? How hard is it? Everything is out of the car
> now and there is no time like the present.
>
> Cliff Tibbitts
> 66 Monza 140/4sp
>
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