08-16-2009, 11:17 AM
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#1
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GX Member
Join Date: Apr 2007
Location: London, Ontario, Canada
Posts: 139
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Plugs
Im sure there is a thread already but i cannot seem to find it but what are the best spark plugs to run in the 3.4? I am having a misfiring problem from #4 and i have read on here that changing plugs helps.
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2003 Alero GLS 3.4L
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08-16-2009, 11:34 AM
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#2
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Keepin it Real
Join Date: Nov 2003
Location: Alexandria, VA
Posts: 12,522
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ac delco iridium.
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2015 Audi SQ5
2000 Alero GLS Coupe - still in the family, but I don't drive it anymore
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08-16-2009, 11:36 AM
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#3
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Now a Ford Traitor.
Join Date: Mar 2008
Location: Greenland
Posts: 6,996
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Quote:
Originally Posted by jackal2000
ac delco iridium.
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or AC Delco Rapidfires, iridium FTMFW though
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08-16-2009, 07:49 PM
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#4
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Aleromod part owner
Join Date: Nov 2003
Location: Far Northeast Philadelphia, PA
Posts: 18,199
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I'm running rapid fires right now.
Still missing a bit, but I was told I new new wires, and my number 3 plug looking a bit white 
probably going to new new coils soon
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33% ALEROMOD OWNER!!
2000 Olds Alero 3400 SFI 14.53 @ 94.93
1985 Olds Delta 88 307 SBO 17.96 @ 76.99
2007 Volvo V50 T5 6M 15.782 @ 89.12
www.facebook.com/kb0177
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08-17-2009, 01:31 AM
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#5
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Moderator
Join Date: Nov 2004
Location: Long Grove, IL
Posts: 5,002
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Quote:
Originally Posted by jackal2000
ac delco iridium.
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FYI, They're #41-101
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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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08-17-2009, 02:03 AM
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#6
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GL Member
Join Date: Sep 2006
Location: Canada
Posts: 874
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What about these new "pulse plugs"?? http://www.pulstar.com/ Are they any good?? Do they perform the same?? Do they damage the vehicle in any way?? |
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10-01-2009, 11:20 PM
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#7
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GL Member
Join Date: Sep 2006
Location: Canada
Posts: 874
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Also, what about the E3 Diamond fire spark plugs???
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10-02-2009, 02:20 AM
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#8
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GX Member
Join Date: Sep 2009
Location: Virginia
Posts: 12
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I have E3 plugs in my alero and they work great. no problems so far.
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10-02-2009, 02:31 AM
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#9
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GL Member
Join Date: Jan 2009
Location: Boston
Posts: 417
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Quote:
Originally Posted by Kilroy
What about these new "pulse plugs"?? http://www.pulstar.com/ Are they any good?? Do they perform the same?? Do they damage the vehicle in any way?? |
I would never pay the amount of money those plugs cost to even try it
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2003 GX Coupe: 2.2 ecotec, CAI, Header, High Flow Cat, Catback Exhaust System, Cleared Corners, Tinted Tails, 8000K HID's, Reverse Glow Gauges...so far
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10-02-2009, 06:36 PM
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#10
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GLS member
Join Date: Aug 2006
Location: Grand Forks, ND for school; Langdon, ND home
Posts: 2,632
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the pulstar are a total waste of money imo. the ac delco iridiums are your best bet, but whatever you do, NO BOSCH!!
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2001½ F150 XLT Crew Cab- true dual glasspacks with x-pipe, AEM intake, SCT X3 with VMP custom tunes, full stereo system, HID 55w heads and 35w fogs, 35% tint front and 20% rear, Lightning tail lights
04 F6 Sno Pro Team edition- MBRP race can, ODS clutch kit
01 YZ125- bored out to 144, PnP cylinder and head, Pro Circuit WORKS suspension, many other mods
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10-02-2009, 06:55 PM
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#11
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636 whp
Join Date: Aug 2006
Location: AZ
Posts: 11,876
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Pulstar plugs are not worth the money, but they do work, a little.
Multiple electrode plugs are a waste, the spark will take the easiest route, it's not like you're going to be having multiple sparks (one to each tip) or anything.
NGK all the way.
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10-02-2009, 10:22 PM
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#12
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GLS member
Join Date: Feb 2004
Location: MARYLAND
Posts: 4,018
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NGK and Ac-delco have a share with each other i believe....or they did at one point.
i remember i had some AC-delcos that had "NGK" engraved on them...... now the new ones say "parts from japan"
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10-02-2009, 11:15 PM
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#13
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GLS member
Join Date: Jun 2004
Location: New Prague, MN
Posts: 2,481
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Why do we still post answers to these threads? I can't even count how many times this question has been asked. Use the damn search button.
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10-03-2009, 01:44 AM
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#14
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GLS member
Join Date: Aug 2006
Location: Grand Forks, ND for school; Langdon, ND home
Posts: 2,632
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ngk pretty much builds the acd plugs. ngk is a japan made plug, so if it says that on the acd plug its probably made in a ngk factory.
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2001½ F150 XLT Crew Cab- true dual glasspacks with x-pipe, AEM intake, SCT X3 with VMP custom tunes, full stereo system, HID 55w heads and 35w fogs, 35% tint front and 20% rear, Lightning tail lights
04 F6 Sno Pro Team edition- MBRP race can, ODS clutch kit
01 YZ125- bored out to 144, PnP cylinder and head, Pro Circuit WORKS suspension, many other mods
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10-03-2009, 09:12 AM
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#15
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i speed up for corners
Join Date: Apr 2009
Location: Dover,NH
Posts: 3,489
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I had bosch but I think that Ac delco rapid fires are the best
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![[SIGPIC]](image.php?s=a8fdbd0815df6839642aa1269aa69f9d&u=6730&type=sigpic&dateline=1339718145)
Alero is gone but not forgotten
1999 black gls coupe R.I.P 130k
1999 auburn mist metallic gls sedan R.I.P
2005 Subaru legacy 2.5i 190k. New rims and tires for summer.
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10-03-2009, 02:44 PM
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#16
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GLS member
Join Date: Aug 2006
Location: Grand Forks, ND for school; Langdon, ND home
Posts: 2,632
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^bet that about after a month it started running like shit and no power with the bosch though. thats a common problem when they are put in lots of gm vehicles for some reason.
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2001½ F150 XLT Crew Cab- true dual glasspacks with x-pipe, AEM intake, SCT X3 with VMP custom tunes, full stereo system, HID 55w heads and 35w fogs, 35% tint front and 20% rear, Lightning tail lights
04 F6 Sno Pro Team edition- MBRP race can, ODS clutch kit
01 YZ125- bored out to 144, PnP cylinder and head, Pro Circuit WORKS suspension, many other mods
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10-04-2009, 02:47 PM
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#17
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Moderator
Join Date: Nov 2004
Location: Long Grove, IL
Posts: 5,002
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It has to do with the single platinum plug and a waste-spark ignition system. It wears the plugs unevenly. The bosch design tends to exaggerate the effect.
__________________
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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10-04-2009, 04:14 PM
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#18
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GL Member
Join Date: Aug 2009
Location: Rabat, Malta
Posts: 458
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what would some of these crappy symptoms be? I have bosch wires on my 3.4 and have gotten some stuttering starts.
Sorry to thread crap/jack but I never thought to chekc on this before.
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SOLD - 1999 GL Sedan-LA1 3400
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OWN - 1996 Rover 414 - replaced engine with a 1.7TD Isuzu lump and gearbox, Uprated brakes, Custom seats and interior trim, MG ZS 11 spoke wheels, Custom bodywork, Custom LED taillamps, Custom gauge surround to hold 2 52mm gauges (filled with boost and oil pressure gauge)
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