Quote:
Originally Posted by JOHN COOKSON
This sure sounds like a sticky valve(s) to me. If you were able to run the engine at cruise RPM for an hour it might unstick it. Do you use MMO in your gas? Some* recommend outboard motor oil in the gas to unstick valves. I don't know the exact recipe.
*I think it was Dave N.
TRUE GRIT
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Hi John,
I treated the cylinders for about 1/2 hour with MMO and noted no improvement. I did not try it as a gas treatment as of yet. Thanks, it is now on my list.
Tom
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Last edited by tmcdonagh; 05-15-2019 at 06:28 AM.
Reason: Spelling error correction
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