1981 Chevy El Camino valve adjustments

1981 CHEVROLET EL CAMINO
19,000 MILES • 6 CYL • 2WD • AUTOMATIC
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ANGRYSTONE
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I would like to know if it is a good idea to check and adjust my valve clearance. My valves seem to be noisy, I am useing the shell gas 89% octane that has nitrogine to clean your engine, could that be the reason ?. Dose my eingine have self adjusting valves ?
May 30, 2009 at 10:19 AM
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DOCFIXIT
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Yes you have Zero lash lifters no need to adjust. If oil pressure good then you can try an additive to see if sluge is the problem. Marvel Mistry Oil a good product to free up lifters. But at 190K miles it may just be wear that is the issue.
May 30, 2009 at 10:35 AM