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Original Message
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410 Pistons |
By John - 08/20/2005 7:59:38 PM; IP 142.177.94.56 |
As far as making a 428 with that crank, your 390 block might not handle the piston over-bore well. That's why I went out and got 410 pistons. Got them from FPP. However, if you call them (and actually get through to them), make sure they have them in stock, or you may wait up to a year to get them. They provide a good product, just are poor to deal with. As for CR, try for 9.5 with iron heads and premium gas. Aluminum heads will tolerate 10.5. If you go higher than 9.5 with iron heads, fuel mixture and timing has to be precisely right for your engine, and how do you know what is precisely right on a modified engine? Only through trial and error, which can get costly. LOL....I have a set of those 410 truck pistons from a 390 (or was it a 360) that I think would work fine, but sadly I only have a set of 7. Anyone got a spare for me? |
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