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Original Message
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RE: Much rhyme, much reason. |
By John Saxon - 08/26/2002 8:17:37 PM; IP 205.188.209.112 |
Dave,I believe there is some misunderstanding of what I'm trying to say I'm not saying ford took a block that was already machined to 390 specs and remachined it the only unmachined cylinder block I've ever seen the inside diameter was nowhere near the finished bore size,it was my contention that ford just checked external cylinder for core shift and then machined the block to 4.13 bore size as far as being easier to recore molds than inspect some blocks for suitability,while I've never been to a ford foundry I have been to other foundries and it is neither easy or cost effective to recore molds for a limited production run.The bottom line is it is my contention that there a lot of 390 type blocks out there that are suitable for overboring to 4.13 and have plenty of wall thickness left.It is not necessary to run out and buy 427 or 428 blocks to build a 600 horse FE,and anyone that is adamant about saying that obviously have some 427 or 428 blocks they are trying to sell. |
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