Re: Too much timing?
the factory setting of 7.5 degrees was made to be safe under all conditions. if your pulling a 10000 lbs load on a 90 degree day you may want to back the timing off a little. for normal driving 16 deg should be fine as long as you dont hear any pinging. more likely, low rpm high load. fuel will make a difference too, lower octane means you run less timing.
rick
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