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As I posted earlier there is a way to build a decently compressed stock stroke 400. Cut the crank pin to 2.2", Use Scat rod# 6680022(A) @6.800",and either KB 825 @1.480 or KB 828 @1.485. With a 9.98 deck the piston is either 0.010" or 0.005" in the hole, both pistons have a 4.5cc valve relief. Depending on head and gasket combo the CR can be in the mid to upper 9's.

Randy




When you say cut the crank pin do you mean have the rod journal machined down?

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