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Old 06-04-2003, 03:42 PM
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sixto sixto is offline
smoke gets in your eyes
 
Join Date: Jun 2000
Location: SF Bay Area
Posts: 19,759
Could be time for a new timing chain and maybe guides and a tensioner as well.

Have you checked that it's a double row chain? Might have been standard equipment by 1983.

The plastic bits along the camshaft oil rails get brittle and disintegrate. Cheap insurance to replace them once in a while.

Sixto
95 S420
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87 300SDL
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