Thread: 390 punched .060 over?
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Old 04-22-2004, 04:42 PM
Mark IV Mark IV is offline
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A 390 at .060 over is not a real good idea. They tend to run warm when punched out that much. I would not recommend going over .040....

390 blocks are not real hard to get. Where are you located? I know several sources for rebuildable 390s...

Rick
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