1000Hp Small Block Build Cylinder Wall Damage
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Here's a close-up look at the severe damage we found inside the seventh hole. The piston/ring destruction caused gouging on the cylinder wall that's deep enough to require installing a Darton sleeve and giving the block another 0.010-inch overbore (from 0.145- to 0.155-inch). The bore increase brings cubic inches up to 353-slightly larger than standard 9.5-deck engines and roughly 100 pounds lighter. View Related Article
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