Originally Posted by
ianlee420
kind of hard to get much displacement from a b18 , so i guess i'll have to boost how much psi could a stock b18c1 handle??
Originally Posted by
primetime
Companies Make a 89mm, 92mm, and 95mm Crank for b18a/b/c1-5 blocks, lack displacement isn't the issue, price is the issue!!!
10psi to be on the safe side on a stock block.
Boost pressure is irrelevant.
A stock block can handle about 300 whp, run as much pressure as it takes to reach your goal. It might be 8 psi on a larger turbo, or 20 psi on a smaller turbo. CFM has more of an influence on horsepower and torque.