Gmpp Gen Vi 502 Deck Clearance Check
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Using a bridge dial indicator, Jason found that the pistons protruded from the bore by 0.005 inch, effectively lowering the deck clearance and increasing compression. Since he was shooting for 0.046 inch of deck clearance, Jason ordered a set of 0.051-inch-thick Cometic MLS gaskets to increase the deck clearance to his liking; the result is a 9.6:1 compression ratio. View Related Article
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