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Discussion Starter #1
Hello! I was wondering if anyone has any reports of using an auto diff from a 316/318 with a manual gearbox? auto diff has final drive on 4.4:1 iirc standard is about 3.4:1

improvement on acceleration? or just too many gear changes to get anywhere? obviously top speed is reduced, but this is not an issue for me.

any input greatly appreciated

many thanks

Tom.
 

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Discussion Starter #3
with 15" tyres, 1st flat out is 22mph, 2nd 37mph, 3rd 56mph, 4th 75mph and 5th 94mph..... sounds spot on for me! good job im not on motorways or 70mph would be 4800rpm! and 80mph would be 5500rpm!

Ideal for back lanes at night! if i hit 80 mph there is something going too well!
 
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