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Original Message
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| .090 or .040 for a 390.... |
| By kevin - 04/09/2002 12:03:47 PM; IP 209.240.222.130 |
| can work or you. The cylinder core molds were of thin design from the factory, so a sonic check by a reputable shop is the only true way to see what you have. There can be thin and irregular core shift patterns, so it's a crapshoot to just say yes it will go this much. But lots of them have been done over the last 40 years. The .090 over are 361 Edsel pistons +.040 if you stay with the stock crank. The core molds are the same for the 352 and the std duty 390. I bored one of these low po blocks +.080 to use for a 428 race motor, and the # 4 cylinder cracked after some hard use. I then put a sleeve in it and while boring for the sleeve, it removed the cylinder completely, proving that it ran on a thin wall for sure! |
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