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flat-v8 · 03-15-2013, 06:48 AM

The Autolite 437 is the best plugs for that motor. That is what I think anyway! Slighty hotter than the Autolite 216, either of these are better than Champion H10. That is what I think anyway!

03-15-2013, 06:48 AM	#3
flat-v8 Senior Member Join Date: Nov 2010 Location: Magnolia Texas Posts: 586	Re: Autolite Spark Plugs The Autolite 437 is the best plugs for that motor. That is what I think anyway! Slighty hotter than the Autolite 216, either of these are better than Champion H10. That is what I think anyway!