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Topic: noisey LS-4 rocker arm

in Forum: C3 Engines


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noisey LS-4 rocker arm

Posted: 3/4/02 6:03pm Message 1 of 3
evan rogers
Former Member
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TYLER, MN - USA
Joined: 2/26/2002
Posts: 2
Vette(s): 1973 LS4 Coupe
I recently purchased a 1973 ls-4 I've had the rocker arms adjusted once to quiet them down. after about 500 miles they seem to be loosening again. sounds like a lifter hanging up. any suggestions.
evan_l_rogers@yahoo.com


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noisey LS-4 rocker arm

Posted: 3/6/02 7:49am Message 2 of 3
FRANK WATSON
Former Member
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DACULA, GA - USA
Joined: 3/6/2002
Posts: 30
Vette(s): 1972 LS5 CORVETTE STINGRAY
What did your exhaust sound like, I had kinda the same problem with my 454. I am still working on mine. I adjusted mine too. I tighten it down till it stop the noise an then put a quarter turn on it. What did you do. Mine still has a miss in it. |bigeyes|


"KRYPTONITE" ELKHARDT GREEN 1972 LS5 ASPHAULT EATING SHARK, CHEVROLET THERAPIST FOR THE EVERDAY GRIND |IMG|http://www.1-4u-computer-graphics.com/pool72sig.jpg|/IMG|

noisey LS-4 rocker arm

Posted: 3/26/02 3:27pm Message 3 of 3
73 LS-4
Former Member
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BETHALTO, IL - USA
Joined: 12/6/2001
Posts: 4
Vette(s): 73 yellow metallic coupe, 454 LS-4, M-21
Try narrowing it down to a single rocker arm if possible, by checking each rocker arm for play individually by slowly turning the engine over and checking for any verticle play in the pushrod when the cam is on base circle, it takes a while to do this and is best done with the plugs out of the engine and the battery disconnected (no ignition power), makes it much easier to turn over by hand.

Pat Kunz


73 LS-4, yellow mettalic, M-21, 3.55, with some extra add on performance stuff.

in Forum: C3 Engines


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