Re: new block
I'm wondering if such a thing exists. A few years ago, I bought a 'crack-free' 8BA block that had been magnafluxed and was ready for machining. The machine shop that I use insists on pressure testing everything, and sure enough this one had a crack inside the lifter valley, near the top, in a place no one would likely check. In fact, he had never seen one crack there, and he has done a LOT of flatheads. Anyway, the repair was simple enough for them, should last forever, and was well under $100, so one or two cracks is not something I'd sweat.
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