GSR mild built
i have a gsr with JDM ITR piston in it and going to put back on the gsr head with high comp valves and dual valve springs. i was wondering has anyone done this setup before? and has anyone ever dyno it?
I ran a c5 block and gsr head with stage 1's about 5 years ago with no tuning and I hit 193 whp consistant stock head and tuning with timing that was it. dunno it that helps
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