I've been searching this thread without much luck as too how far can i push the motor on a stock head gasket.
Car made 320whp at 15psi, but would like to go for 16-18psi. Using 555cc injectors, havent logged the DC's but probably getting up there.
Next stage of upgrades will be: Metal HG, Studs, Inatake Manifold, Cams and 740cc injectors. Hopefully, it will make close to 400whp at 20+ psi
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