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By eglknight - 14 Years Ago
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I've had my 312 block tanked and manifluxed They found a crack by the passenger side below the lower motor mount hole. They pinned it and pressure tested it and said it was good. I still have a 292 block with rotating assembly. If it's a good 292 should I look into grinding the crank shaft and using the 292 bored out or going with the 312.
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By Hoosier Hurricane - 14 Years Ago
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Six of one and half dozen of the other. If the machine shop is comfortable with the repair, that block should be fine. The 292/312 mix is also a good way to go, but at this point will cost you a few more bucks to have the crank prepared. You could also have the 292 block align bored for the 312 crank as another alternative. Your call, but I don't think you can go wrong either way.
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By lowrider - 14 Years Ago
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I just had the same type crack on a 272 I just had bored. Had it welded but havent reassembled it yet. I dont see any problem running it that way. I'll know next spring if it leaks.
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