So I'm guessing Steve knows what he's doing? Ha I dont remember the exact specs on the heads but i know they are cast iron, and that the ports are almost exactly similair to the AFR 185's but they are said to flow better, they're powerhouse heads i think. The timing is advanced right now 15 degrees, any lower it runs lean and shuts off, any higher it runs too rich and idles all retarded. Im cool with getting it dyno'd too I'm bringing extra cash with me in case we need anything else. Where is the GTR located?
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