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930gt-40r 930gt-40r is offline
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Join Date: Jan 2007
Location: Boca Raton, FL
Posts: 2,063
Diddo on what 89turbocabmike says, 3.5s (100mm?) may be too much. you can almost get 3.5 out of 98mm cyls and the 964/993 crank. I recomend the 964 crank as it has bigger rod journals and is considered the strongest street crank we got. I wouldnt bore the case for larger cylinders because I have never seen or heard of one that didnt leak oil from the base gasket. A good set of rods are in order as well (Carrilo, Pauter, etc...) But it also seems like a lot of work just to be putting cis back on the motor. Would you consider EFI?
Kris @ Tech9
86' 930/GT-40R Sold
94' Rustang GT daily (long gone)
2008 C6/Z51 Corvette
Old 04-03-2007, 05:07 AM
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