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Rpms are about 3000 at 65 mph so a 3.3 axle might be better than the stock auto 3.73
I'm loving it so far!!!!
Glad to hear you're getting on well with it, Zach!
3.54:1 is good too...but I agree that the 3.31 is probably best.
cheers
James
Live of a M90 can be short when you're having fun. After my conversion I didn't expect my M90L2 to give me trouble this soon (after 2k mls). Rattling noise at idle (gone when disengage clutch), short squeaking noise when I pull up and without employing some force, shift down from fourth to third only goes smootly with a pause in the middle. Daily driver and absolutely no abuse. Full power only in third, fourth and fifth gear. One thing is clear by now: an M90 obvious can't handle 417/485 for long.
I think he means 417 bhp / 485 NM of torque...
I'm not too hot on doing the NM / lbft calculation in my head...so I thought 485 NM would be far too low to get 417bhp, but I just did the conversion (I make it 357 lbft), and see that my guess was wrong That seems quite low to be causing a problem...we made 300lbft at 20psi