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      11-16-2009, 09:27 AM   #47
Kevin@AKMotorwerk
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Drives: THE GUY YOU LOVE TO HATE
Join Date: Mar 2009
Location: hillsborough, nj

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Quote:
Originally Posted by BavarianBullet View Post
Good move.

I've changed ring and pinions on v8 American cars and seen plenty of others installed by so-so shops and the backlash AND pinion depth has to be perfect or it will whine (or worse).

The ol' magnetic mount dial indicator (to measure backlash) as well as some test turning of the assembly to note the pattern of the ring and pinion gear contact area is required.

My 2c is that I'd never take a car to have a ring and pinion swapped unless a) they do a LOT of R&P gear swaps on various cars or b) they've actually done at least one R&P swap on the exact scenario/car I would be leaving with them.

yea i have done plenty of american cars that can actually be adjusted by shimming, the bmw cant be shimmed, if i left it in it would have lasted a week tops before eating up the ring gear or snapping the pinion, it was tight as can be