...The Experts with Thousands of Pages of Dyno Results and Research, have Documented..."There is NO evidence of Any Power Increases with Any Spark Plug Gap Larger than .050"."
I have found that to be true, So I Gap My Plugs to .045". So as they 'Wear-In', they Come Into Tolerance , rather than Out of Tolerance.
I have tried/experimented with the Champian Plugs in the 351C. They worked well in My 400 Pontiac, But NOT so great in the Cleveland.
I have found the AUTOLITE or AC plug works as Expected. I tried All Heat Ranges 24, 25 and the 26. My results are, just like
Goldy-Locks, 24=Too Cold. 26=Too HOT and with Increased Pinging! 25=Just Right! So Now You've Heard it From 'The Horses' Mouth'! NO BS, NO Theory, just Years of Road Tests.
MJ
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