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RE: rebuilding the engine By Mel - 09/07/2001 12:39:42 AM; IP 64.12.104.189 Have a shop that uses a Sunnen Bore Gage check your cylinders for size, roundness and taper. If there is not a lot of ring ridge or wear you could get away with it. You will have increased piston to wall clearance but there should be no problem, even if you are at the limits. Ford recommends .007 to .009 piston skirt to cylinder wall clearance for the 428 CJ & SCJ with forged pistons. Your pistons are cast or autothermic design and do not expand as much as forged therefore they do not require as much clearance. If you use your old pistons with too much clearance you will hear rattling on start-up as well as on acceleration. It sounds like the engine's coming apart.

This thread, so far...

Skip Navigation Links.  rebuilding the engine -- T1M, 09/07/2001 RE: rebuilding the engine -- Mel, 09/07/2001  RE: Depends on the miles and oil changes -- RC Moser, 09/07/2001  RE: Depends on $, not miles and oil changes -- John, 09/07/2001  Thanks -- t1m, 09/07/2001

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