1981 Chevrolet El Camino



May, 30, 2009 AT 10:19 AM

Engine Performance problem
1981 Chevy El Camino 6 cyl Two Wheel Drive Automatic 190, 00 miles

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?

1 Answer



May, 30, 2009 AT 10:35 AM

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.

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