stock motor tapping
10-03-2006, 12:47 PM
#1
Staging Lane
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stock motor tapping Hey all, my motor has picked up a tap that shows up after ive been driving for a while (especially stop and go). the tapping starts at idle but gets louder with revs. I first noticed it when i over revved it once at an auto cross for a half second, but i let it cool down and it was fine that day. it hasnt really been getting worse but im wondering if i could have a lifter problem? my car has always run kind of weak. its a2000 z28 with nearly 100k on it. the only mods are full exhaust and an slp lid. any ideas?
10-03-2006, 01:03 PM
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https://ls1tech.com/forums/generation-iii-internal-engine/586025-slight-knock-18k-miles.html
seems like my same problem
seems like my same problem
10-03-2006, 01:07 PM
#3
Staging Lane
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I dunno, mine shows up as i drive it, it doesnt go away with time unless it cools down. i have replaced the plugs and wires, the pcv, and the front o2s.
10-03-2006, 01:15 PM
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i had the same problem after a missed shift at the drag strip, bent a push rod real bad, I'd take them all out and check them, fairly easy to do and if nothing else helps you along with the process of elimination.
