Pontiac Engine Buildup Custom Forged Pistons
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Full-floating 0.990-inch Ferrea pins connect the custom Ross forged pistons to the Scat 6.700-inch high-tensile 4340 forged H-beam rods, which feature a 2.20-inch diameter big end to fit the Chevy-sized big-block crank journal. For this zero-deck engine, the compression ratio of 7.96:1 results from a 49cc dish in the pistons, 90cc chamber E-heads, and the volume of the Cometic head gasket. View Related Article
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