Posted by Bob thanks
on 11/27/2003, 5:14 am
67.42.120.108
Just recently purchased a 633 with a turbo (BAE kit I think) with a bad motor previous owner was running it at 17lbs boost (otherwise stock)I want to do a m90 block upgrade and was wondering if the newer 86 mm stroke crank will work in this block and is it forged like the m90 crank? also what cam guidelines do you suggest for a turbo engine, overlap, duration, centers, etc. want to intercool this and update the motor for reliability to run around 15-18lbs boost. how much boost will the stock rods take?
your car is amazing! its nice to see something other than late 3series this nice.
Bob
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