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What is a factory Rocker arm ratio for Chevy 350 1988 and is it different for a marine than for a auto?
Wiki User
∙ 11y ago
The stock rocker arm ratio for a Gen I Chevy small block is 1.5:1. The marine engines have the same rocker ratio, but use different cams and have bottom ends built to handle sustained RPMs.
Wiki User
∙ 11y ago
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