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how much boost can i run on a stock sohc bottom with a dohc ported and polished head with a t3/t4 turbo also got crane valve springs mopar pcm and new poly motors mountsany mor info need ask i can give it
well i looked on here it said the stock compression would be 9:3:1 but i like to get forged pistons so it would be like 8:5:1 with crowder rods
but im waiting
I ran 13 psi it lasted a few miles. Piston did not hold up. I ran 10psi for months. The engine had 160,000+ miles. I plan to run 5psi, and try to keep the motor alive for a long time.