Originally Posted by
Toadz
What's your experience with them? Why will you be changing them out early?
Couldnt tell any difference in them. And mpg certinly did not go up, may be it's cuz of the led foot i have, IDK. Plugs have probly about 20K on them if that much. Im going to change them just becuase i want to i guess dont, really have a reason as to why.
David,
2003 GMC Sierra Denali, LQ4, AWD, AWS, 4.10, Wheatley 93 tune, LT headers, GMPP CAI, BBK 80mm TB, MSD wires, E3 plugs, 160* T-stat, Flowmonster DI/DO, cutouts. Working on 4.8 heads, just purchased Comp 228R cam, 918 Springs, TI retainers, 7.4 hardend pushrods,
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