Try REM37BY to eliminate most fouling! That would be you best bet.
Good Luck,
Mahlon
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Just installed new set of Autolite 37BYs here also. Same as Champion's version, but 75% cheaper.
Champion and Autolite both have application/spec charts by engine, so would go by that. Compression indeed might matter, especially re plug gap.
Just installed new set of Autolite 37BYs here also. Same as Champion's version, but 75% cheaper.
Champion and Autolite both have application/spec charts by engine, so would go by that. Compression indeed might matter, especially re plug gap.