every little bit helps so the 5 angle wouldnt hurt, but for a street car a 3 is fine. the 5 will just be and even better surface for flow, but like i said not really needed for a street car.
well im bringing my motor to get blue printed and they asked me what i want 3 angle or 5 angle....this is an all motor 15:1 compression h22
its a track car well hopefully its going to be a track car....
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