474ci Engine Build - Pump-Gas Poncho Power
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Machinist Jon Wischmann prepares Hall's two-bolt '71 No. 485428 455ci block for the rotating assembly kit from Butler Performance. He bores the block 0.060 inch to a total 4.21, machines the deck surface to achieve a true zero deck, adds four-bolt steel main caps, and installs a fresh set of camshaft bearings. View Related Article
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