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all 10 engines? your seriously saying all 10 engines are suffering from exactly the same ailment? do you know how insane that sounds? how improbable that is? Never mind don't bother answering you will just come up with some nonsensical answer.
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Hmm I tried higher octane ones and it did not go away. I also noticed my pops towncar is making a similar noise but his is only when UNDER load ie hit the gas.
I really can not figure out how to describe the noise. I have tried to record it but its always drowned out by compression and or ambient noise.
I am assuming its pinging but maybe its not??? its sounds vaguely like boiling water if it were altered to have a tinny sound to it. or a very very soft mild "marbles in a can" sound. really hard to describe.
its TBI and the cylinders are clean (checked visually) I seafoam regularly since I am told these engines coke up really easily.
I will try a tank of higher octane fuel and see what happens.
Sure post the recipe. I am darned near empty now (under 1 gallon in the tank) so I will fill up tomorrow with high octane and see what happens with the noise.
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