Quote:
Originally Posted by sportsterrider37
In 97 the compression went from 10:1 to 8.9:1 on the sohc. Still the most boost ive heard that is safe is about 8 psi. I dont see why you shouldnt be able to get more with proper tuning. As for the larger fuel injectors, a vr4 fuel pump would probably be a smart bet to keep them fed right.
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cool, so the book I have is right, just not updated for 97+
