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PC/SR · 11-14-2012, 12:55 AM

Run the spark about half to 3/4 advance. It may not improve your mileage but your engine will be happier, assuming the timing is correct, witch may also be an issue affecting mileage.

11-14-2012, 12:55 AM	#13
PC/SR Senior Member Join Date: May 2010 Location: Santa Rosa, CA Posts: 1,279	Re: gas mileage Run the spark about half to 3/4 advance. It may not improve your mileage but your engine will be happier, assuming the timing is correct, witch may also be an issue affecting mileage.