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buying spark plugs
so i did a little searching, and NGK is the way to go.
but i heard using iridium ones may help my gas mileage since they burn hotter...
if i get hotter burning plugs, will it help anything.
NGK makes 3 plugs for the ecotec.
g-power platinum
NGK platinum
Iridium IX.
which ones are the best?
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2002 Alero w/ 2.2 ecotec 5 speed
power window conversion, heated leather seats, 16" rims, high & low hids, auto dimming rear mirror, speedbuilt front and rear sway bars, poly bushings all around.
2005 Silverado 2500HD w/ 6.0l Vortec 4L80E
Tuned 6.0l, exhaust, intake, with 450000km on the odometer. Tow Rig
1985 Pontiac Trans Am GTA w/ 5.7 Vortec 700r4
mild vortec 350 with 4 speed auto. performance suspension. factory gold color. project car
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