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rayruner · 08-27-2021, 10:04 AM

Can somebody tell me what spark plugs are one and two steps colder than a ac delco 41-125. I have ngk 6510 plugs in the motor now, and they look lean to me.

08-27-2021, 10:04 AM	#1
rayruner Drives: 16 2.0 red Join Date: Feb 2018 Location: bloomsburg pa Posts: 73	spark plugs Can somebody tell me what spark plugs are one and two steps colder than a ac delco 41-125. I have ngk 6510 plugs in the motor now, and they look lean to me.