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#1
11-01-2025, 06:27 PM
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piston deck clearence
i know you have to check and confirm but...is it safe to assume that most pontiac blocks are going to run .015 to .020 on the hole with non stock parts?
the 455 i just assembled..probably gonna un assemble. measure at .020 on all 4 corners. the 400 i test fit, .020 on one side, .015 to .020 on the other. kinda odd. now i just test fit a 467 stroker, .020 i could feel the drag on feel gauges...i did fit .023 in once, but i think i was pushing up on my straight edge so i called it .020 with the other 3 corners. if i missed it by .003, i think its still gonna be a improvent. 455 an 400 both use stock cranks, eagle h beams, ross flat tops with the 455 being the power adder version the 467 being a eagle forged crank and h beams with mahle flat tops |
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