Im looking to go single turbo with my 1jz...currently it is stock except for a few small mods...adjustable fpr, 3 inch exhaust, hks air filter, 2.5 inch piping for intercooler which is vr4...
HI all,
I recently got a set of forge piston with compression ratio of 9:1. I am palnning to fix it on my gti, however I am not sure the 9:1 ratio is with or without consideration of the metal gaket?