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1997 4.3 is a knocking
I just bought a 97 Cheyenne 1500 with the 4.3 vortec it sounds like a rod is loose and causein the knock but after checking around it sounds like it could be a lifter I took off the rt valve cover and looked at the rockers it looks ok the rocker arms are tight they have no adjustment any ideals whats up with it?
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4x4k30 if trouble was money i would have plenty
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