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DavidG · 07-26-2018, 06:52 AM

Ford last used the C-7 plug in early '34 model V8 production. The Champion 7s had a different heat range and were used from early '34 through '37 and partially into '38.

07-26-2018, 06:52 AM	#2
DavidG Senior Member Join Date: May 2010 Location: southeastern Michigan Posts: 10,101	Re: 1936 Spark Plugs Ford last used the C-7 plug in early '34 model V8 production. The Champion 7s had a different heat range and were used from early '34 through '37 and partially into '38.