Which spark plug for 496 Mag?
#1
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Which spark plug for 496 Mag?
I'm sure this has been covered before but after wading through half a dozen threads I didn't find the answer. Which plugs are suggested for a stock 496 mag? I know the mercruiser's are high $ and it looks like most people are running AC Delco or NGK. Is one better than the other? Does anyone have the part numbers? Do you have to run the fancy platnum or iridium ones?
#9
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335 hours on stock plugs in a 496 MAG built in 9/2003. Still starts and runs like a top.
#10
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Join Date: May 2006
Location: Huntsville, AL
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out of 180 hours, 75 was at idel... so mine may be laoded mroe than normal.
still confuse what the guy that owned the boat before me did with it. bought it brand new, and sold it with 160 hours, 75 of that was idel....WTF> and with mufflers. haha
still confuse what the guy that owned the boat before me did with it. bought it brand new, and sold it with 160 hours, 75 of that was idel....WTF> and with mufflers. haha