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motor build

  1. 454 block,396 crank, 6.385 rods. What pistons?

    i building a new motor for my drag car. im looking for 12.1 comp ratio and having some problems finding pistions that will give me that. here is my specs 454 block bored 30 over 3.76 forged crank closed chamber heads 109cc 2.25 intake 1.88 ex valves eagle H beam rods 6.385 long comp...