iw378
Well-Known Member
Missed the part that op has a stock 360. Op just run the 65's or champion 12yc
Hot rod engine.......colder plug.I also use Autolite 65s in my 375 HP 340. They seem to work better than champions.
If anyone is interested in -- old school Champion -- when they WERE made in the United States -- I have some --not all heat ranges --
and I have some NON-resistor, plugs, as well.....(supplies limited -- these are N.O.S., of course....)
Current Champion and Autolite are all made in Mexico......(wonder if Donald Trump will change that...)