04-30-2011, 10:40 AM
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#1
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Premier V.I.P. Member
Join Date: Feb 2009
Location: Oxbow SK
Posts: 1,385
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green spark plug tips
hey guys, quick question. last couple times i've done spark plugs, my tips have a slight green. just wondering whats up with that, thought they were supposed to be black or grey
__________________
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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04-30-2011, 12:38 PM
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#2
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2Screwy
Join Date: Dec 2003
Location: South Dakota
Posts: 13,238
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pulled this from a z28 board......
"You need a colder plug,
Excessive green oxide indicates overheating the plug. a lot of spark-plug electrodes have an alloy composition that will oxidize green when subjected to high temperatures. The nickel oxide on the center wire and strap would show up first at the tip of the electrode (the hottest part) and progress from there. Try going down a step at a time."
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04-30-2011, 01:59 PM
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#3
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Premier V.I.P. Member
Join Date: Feb 2009
Location: Oxbow SK
Posts: 1,385
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thanks, i saw that too. im currently running ngk iridirum ix. what would be a good step down?
will it make the car run better with colder plugs/ add .5 horsepower or anything?
__________________
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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04-30-2011, 02:02 PM
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#4
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Powered by LX9
Join Date: Mar 2010
Location: fox vally wi
Posts: 1,429
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i doubt it would increase power, may run a bit smoother, and not kill your plugs
__________________
2001 ALERO GL SED 4 DR--Build Date: 08-16-2000. There are 17 2001 ALERO GL 4 DR vehicles (0.019%) matching my exact options list.
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04-30-2011, 02:12 PM
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#5
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Premier V.I.P. Member
Join Date: Feb 2009
Location: Oxbow SK
Posts: 1,385
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im basically stock, with a few mods, why would i start needing colder plugs now?
__________________
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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04-30-2011, 02:48 PM
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#6
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Powered by LX9
Join Date: Mar 2010
Location: fox vally wi
Posts: 1,429
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well your running a header and a WAI.. might just throw it off a little, more airflow = more power = more heat issues.
__________________
2001 ALERO GL SED 4 DR--Build Date: 08-16-2000. There are 17 2001 ALERO GL 4 DR vehicles (0.019%) matching my exact options list.
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