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Anyone Ever Had The Engine Valves Adjusted?


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The valve clearances on some valves of the early 1990's V8 sometimes get out of adjustment. Overly loose valves will create a ticking noise in the engine, but the engine may still idle rock solid smooth. Overly tight valves may creat some engine vibration at idle. Engine power and fuel economy can be off 10% or more when several valves are substantially out of adjustment. Driving along time with valves that tick loundly can cause permanent mechanical impact damage to the affected valve lifters. Damaged lifters can be replaced, but the procedure requires camshaft removal.

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If you have a pre 1998 V8, with over 120,000 I can almost bet money they a few valves are out of adjustment. I've adjusted every V8 that i've ever had the valve covers off of. Out in CA, it's about $600 to do the job.

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