Quote:
Originally Posted by XfireZ51
Hib,
Do you know why the 375hp motor has a recommend of a .035? plug gap, while the 405hp motors were spec?d for .050?? Am I correct, and if so, what change made that possible?
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I run my AC Delcos at .042 I tried them at .035 and the power was down especially after the increase in air flow from Petes porting... Im not sure why that was the case, but opening up the gap to .042 made a noticeable difference in throttle response and overall power feel of the the engine. It purrrs!