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  1. Drivetrain & Performance
    Hi, I can use your guys help. I am currently working on a 327 block. Casting I.D. is 3791362 the stamp is F04I5ZI below that it is hard to read. Could be N155388? Crank is 3782680 and cam is 3837137. I am trying to I.D. what I have to know where to go with the build.
  2. 1st & 2nd Generation Chevy II/Nova's
    I have a large journal 327, camel hump heads 202/160 valves, xe268h, flat tapped pistons, 600 holley carb, holley dual plane intake. I want to at least make over 350hp or close to 400hp. Will the camel hump heads stop me from reaching my goal? Will xe268h comp cam produce more power than the...