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Old 12-28-2011, 10:49 AM
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sbc 400 piston ring gap

what would be a good gap on the piston rings on a sbc 400+30,running with nitros??

should i go for standerd rings or file fit type, to correct gap

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Old 12-28-2011, 07:10 PM's Avatar
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Ring gap is determined by the location of the top ring.. What brand pistons??
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Old 12-29-2011, 12:18 PM
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How "big" a "hit" is also important. A 100-HP "shot" doesn't really need special" gapping, but beyond that, it does. Most piston and ring makers supply suggested specs for various applications. Look at all the papers that came with both the pistons and the rings.

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