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Author Topic: 4.45 Diff - good idea?  (Read 3502 times)

Jay-Vee

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4.45 Diff - good idea?
« on: December 30, 2017, 09:48:14 PM »
Hi,


Just picked up a 4.45 diff for 10 bucks!

Thinking of pairing it with my M40 flywheel and Chip for my M42 (on stand, soon to be rebuilt)

Is 4.45 too short?

(The project is mainly for restoration purposes but will occasionally use it for various things like special events, hillclimb trackdays, some highway driving)


Cheers.
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'88 318i diamantschwarz | Magnaflow stainless cat-back | King springs | Urethane bushes | Braided lines | KN filter
'90 318is alpenweiss | ProPerformance Chip
'03 325ci MSport schwarz
Adelaide, South Australia

1998ccc

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Re: 4.45 Diff - good idea?
« Reply #1 on: December 31, 2017, 12:04:01 PM »
It will be fun for doughnuts or track days, not so much on the highway.

I thought a 4.10 was too short and went with a 3.90 lsd out of an early 318.

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Nick_318is

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Re: 4.45 Diff - good idea?
« Reply #2 on: December 31, 2017, 02:13:03 PM »
Might be good for a track car, on the highway I think it would suck.
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fastjack

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Re: 4.45 Diff - good idea?
« Reply #3 on: January 11, 2018, 04:32:37 PM »
I picked up a 4.27lsd...because track car.good luck with the 4.45
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