Quote:
Originally Posted by justin369
I have a 07 ranger 3.0 w/ dual exhaust / k&N intake . I do have that ping sound some times . And you said too much advance under high loads and lean mixtures ...... Can that mixture be changed , and the advance under high load . Could it also be from taking off fast , and reving the 1st and 2nd gears at too high of rpmS
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Something is wrong causing it to ping. You might have a fuel problem, or buildup in the head. You should concentrate on fixing what is causing the knock instead of detuning it to deal with the problem.