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1985 500 SEL Camshaft

366 Views 5 Replies 3 Participants Last post by  Dikdaan
What causes the right hand camshaft to lose a cam lobe?
After pulling it apart the oil feed tubes were not obstructed.
Possibly not the correct oil?
I only drive in summer I was running Castrol GTX 20w50
Too thick? No zinc? Weak hardening process?
You guys are the pros thanks in advance
Only 128,500 MI on car
would like to drive it a while longer
I would like some advice on oil and change intervals.
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Wasn't the restrictive and unbalanced US style exhaust set up thought to affect the right bank like this? Or am I mis-remembering.
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