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I recently just finished my build and im heading to the dyno on saturday(hopefully). Tuning will be done through my SAFC2, one pump fuel program(93 octane) and one race fuel program(116).  with my Profec B OFF the car still makes 18psi. I have heard some guys running between 18-20psi on pump fuel and 24-26psi on race fuel. Any words of advice?   my mods are listed here for convience. Completely Stock engine with good compression Sport 700s .86ar MS Manifolds nismo 740cc injectors 300 degree fuel rail  Dual pop JWT ecu Z1 smic :( SZ 3" expansion downpipes SZ 3" test pipes  SZ 3" exhaust. SOON underdrive pulley RPS max clutch  rps flywheel  Profec-B  SAFC II 
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