06-05-2009, 08:19 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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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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06-05-2009, 08:27 AM
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#2
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Now a Ford Traitor.
Join Date: Mar 2008
Location: Greenland
Posts: 6,996
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NGK platinum
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06-05-2009, 10:34 AM
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#3
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GLS member
Join Date: Jun 2008
Location: FL
Posts: 3,723
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I bought the AC Delco Iridiums, which are the same iridiums because they are manufactured by NGK. I don't remember exactly what the advantages of iridium are supposed to be, but back when I was doing the research, they're supposedly better than platinum.
I did get about 1mpg better after changing them, but I also changed all the fluids and filters at the same time as doing the tune up.
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06-05-2009, 12:43 PM
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#4
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A-mod Pirate
Join Date: Jul 2008
Location: Big Bad Cali
Posts: 3,016
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i went with autolite iridiums not bad
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06-05-2009, 12:43 PM
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#5
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Now a Ford Traitor.
Join Date: Mar 2008
Location: Greenland
Posts: 6,996
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i have NGK's but i have a 3400...
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06-05-2009, 01:39 PM
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#6
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GLS member
Join Date: Jul 2008
Location: Tampa Bay, Fl
Posts: 1,127
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i've heard ACDelco Rapid Fires are great for the 3400 is that true ?
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2001 Oldsmobile Alero GL Sedan LA1 3400 SFI V6
Nickname : Midnyte
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06-06-2009, 01:03 PM
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#7
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Moderator
Join Date: Nov 2004
Location: Long Grove, IL
Posts: 5,002
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The original rapidfires were good. I don't think the new ones are much more than a single-platinum plug.
You'd probably be best off with the ACDelco #41-101 Iridium plugs.
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Cliff Scott
2004 Alero GX w/sport pkg - Sold, living somewhere in WI now.
2011 Saab 9-5 Turbo4 M6
2004 Corvette Convertible M6
1994 Chevy Beretta - Quad4/M5
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08-10-2009, 03:38 PM
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#8
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The Aleromod PITA
Join Date: Feb 2009
Location: East Carolina University, GVegas, NC
Posts: 1,852
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search button ftw
i used it and now im get iradium plugs in my eco
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08-10-2009, 05:04 PM
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#9
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The Original Thread Whore
Join Date: Apr 2005
Location: NC
Posts: 2,127
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if you want bang for your buck then get an autolite, they are reliable in domestic vehicles. I used to run them in my cobalt but now i run NGK iridiums.. I dunno about that hotter thing though, b/c mine are 1 step colder..
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2006 Scion xB - 5spd, Camouflage Metallic
....it has a Yakima rack - is that a mod?
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08-10-2009, 06:56 PM
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#10
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Canada's Ghost
Join Date: Sep 2008
Location: Alberta
Posts: 1,831
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Ecotec 2.2 L61 spark plugs
NGK Iridium LTR5IX-11: Stock replacement
LTR6IX-11: One step colder (Boost/Nitrous)
LTR7IX-11: Two steps colder (Boost/Nitrous)
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08-10-2009, 07:09 PM
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#11
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The Aleromod PITA
Join Date: Feb 2009
Location: East Carolina University, GVegas, NC
Posts: 1,852
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i got ac delco iradiums, but i did see that ac delco is made by ngk pple
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08-10-2009, 07:10 PM
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#12
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The Aleromod PITA
Join Date: Feb 2009
Location: East Carolina University, GVegas, NC
Posts: 1,852
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yall r gonna have to teach me about this hotter colder stuff
please no sarcasim on whats hot and whats cold
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