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Original Message
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RE: 390 to 427, do you mean 428? |
By rich - 09/10/2000 11:41:36 AM; IP 165.121.87.36 |
If you would put your 390 block next to a 427 block you would see why a 390 will never be a 427. The 390 is along the same line as all other FE's except the 406, 428CJ and especially the 427. The reason that the 427 was capable of the larger bore was due to the different and more exact assembly line is was cast on. To bore any FE beyond maybe .060 would be ALMOST sure suicide for the block. Also, the 427 had much more iron in the bottom end, even the sidewalls were heavier. If you cannot locate a 427, opt for a 428CJ or an older 406. Either one could be cross-bolted and started out with a 4.13 bore. (the 390 started with a 4.05 bore) I have a cross-bolted 428 and also a stroked 427. Both are extremely good on the street and also on the strip. Good Luck. |
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