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Re: M5 crankshafts (archive)

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Posted by Dave on June 20, 2002 at 23:23:40:

In Reply to: M5 crankshafts posted by DHL on June 20, 2002 at 20:55:20:

The 91 M5 crank is not the same as the 3.8L crank. The US has a stroke of 86mm and the 3.8L has a stoke of 90mm ... somebody correct me if I am wrong. I would think the euro crank is the way to go simply because it is forged but Dinan has also got a pretty good reputation.
I doubt that Fahey's would steer you wrong. As far as I know they have a good reputation.

good luck,


Are the 1991 US M5 and the 3.8 liter 1993-95 cranks the same? I am looking to build a stroker motor for my Euro M6, and the 90's M5 crank has been mentioned as an option to the custom manufactured Dinan stroker crank. Fahey's shop has mentioned that the M5 crank will not give as good a result as the M5 crank. Any ideas?

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