1939 P-8 spark plug suggestion

Started by DENNIS P NOLAN, March 09, 2021, 06:03:56 PM

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TodFitch

Depends on the condition of the engine. I use J-11s (I think the current Champion number is 511) in my 1933.
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DENNIS P NOLAN

I am bringing my P-8 back to life-
Is the Champion J-8 the plug of choice?
Thanks,
D
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