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Engine knock after complete rebuild
I just rebuilt my gm goodwrench 350 and installed all new bearings and flat top hypereutectic pistons. It idles very smooth, smoother than any engine I have owned. It is also smooth in gear, but when I go for a cruise, it has a slight knock/clatter under acceleration. I can also rev it up in idle and you cant hear any knocking at all. What might this be? could it be the transmission?
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1972 Cheyenne
Chevrolet red and white
357ci, Vortec heads,
GM Performance high rise intake,
Comp 268H .454/.454 218/218 110 LSA
Quadrajet carb, Flowtech headers, 2.25 40 series
HEI, Curve kit, TH 350, 3.07 gears
275/60/15s on 15x8 rallies
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