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scurr3165 · 03-13-2002, 03:57 PM

I have a fairly stock mustang with a few bolt ons, which type of plug works best and I won't have to change every 15,000 miles.

Bolt-ons:
1) underdrive pulleys
2) 3.73 gears
3) k&n filter
4) crane ignition system

03-13-2002, 03:57 PM	#1
scurr3165 Registered Member Join Date: Mar 2002 Location: MA Posts: 10	which plugs are the best I have a fairly stock mustang with a few bolt ons, which type of plug works best and I won't have to change every 15,000 miles. Bolt-ons: 1) underdrive pulleys 2) 3.73 gears 3) k&n filter 4) crane ignition system