piston rings or valves?

Old 03-21-02, 04:09 AM
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Unhappy piston rings or valves?

There is oil on the piston head of my engine. How do I determine whether I need to replace the pistons or the valves?
Old 03-21-02, 05:55 AM
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What does a compression check reveal?

At what point are you getting smoke?
Old 03-21-02, 06:34 PM
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The best way is do a compression leak down test
Or is it lot of blow-by gas while the engine running?

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