Strange knocking after rebuild
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Strange knocking after rebuild
So I rebuilt a 400, I think without cutting corners, with Aussie heads, bore .040 over, stock bottom end, lunati cam, roller rockers, hei distributor, Holley truck avenger, headers, clevite bearings, hi-vol oil pump, etc... I broke the engine in for 20min and drove an hour or so with open headers (loud!!!), then changed the oil. I then put exhaust on it. Now with the exhaust being quiet I noticed a knock. I checked valve/liter adjustment and rockers etc.. And all seems well. Timing good, no exhaust leaks that I can tell. It sounds like a rod knock. I don't hear it at idle, but above 1200 rpms
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Rosssr22
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