02-19-2008, 04:52 AM
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#1
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GL Member
Join Date: Apr 2007
Location: Israel
Posts: 272
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Spark Plugs
I've been looking into ordering NGK sparkplugs from PFYC.COM.
Is upgrading to NGK sparkplugs worth it? can it cause some sort of problems?
And last question:
on PFYC.COM they have a few type of plugs:
TR55 Set of 6
TR55IX iridium set of 6
" " set of 8
" " set of 8
TR6 set of 6
TR6 Set of 8
Which one is the best and fits my 3.4 alero?
Thanx.
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02-19-2008, 05:56 AM
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#2
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GLS member
Join Date: Feb 2006
Location: Evansville IN
Posts: 3,038
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that is right
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02-19-2008, 09:21 AM
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#3
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636 whp
Join Date: Aug 2006
Location: AZ
Posts: 11,876
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TR55 set of 6
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02-22-2008, 12:38 PM
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#4
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GL Member
Join Date: Apr 2007
Location: Israel
Posts: 272
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Hmm anymore info on this? arent the iridium plugs better?
I've heard from redog that not only those didn't help his car they actually made his car weaker from how what i understand. i didnt understand exactly why tho.
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Last edited by Alon Alero : 02-22-2008 at 01:30 PM.
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02-25-2008, 10:01 AM
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#5
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GX Member
Join Date: Aug 2007
Location: Ohio
Posts: 22
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I just put a set of Bosch Platinum+4 plugs with Bosch Premium wires in my car and it made a HUGE difference (96,000 MI) in the smoothness of the engine. I know that these are not all out performance plugs, but they do the job.
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02-25-2008, 10:23 AM
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#6
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GX Member
Join Date: Jul 2006
Location: Leesburg, VA
Posts: 75
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beware of the bosch platinum plugs. i put a set in my car and they only lasted about 20,000 miles before it started missing. our cars are somewhat picky if you are running a nearly stock motor i'd stick with the ac delco platinums.
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02-25-2008, 11:18 AM
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#7
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GL Member
Join Date: Jul 2007
Location: Loring, Ontario, Canada
Posts: 579
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Quote:
Originally Posted by olds03alero
beware of the bosch platinum plugs. i put a set in my car and they only lasted about 20,000 miles before it started missing. our cars are somewhat picky if you are running a nearly stock motor i'd stick with the ac delco platinums.
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I second that.
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2003 Alero
2.2 5speed
Grey
1996 GMC Yukon 4x4
5.7 liters of gas suckin power!
33x12.5r15 Mud Terrians on 15x10 wheels
111,111,111 x 111,111,111 = 12345678987654321
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02-25-2008, 12:54 PM
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#8
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GL Member
Join Date: Apr 2007
Location: Israel
Posts: 272
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But what about the NGK ones? and the iridium? also, what do u mean when u say smoothness of the engine?
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02-25-2008, 01:16 PM
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#9
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Jack-Wagon
Join Date: Mar 2005
Location: Houston, TX
Posts: 3,834
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factory AC Delco plugs are the best replacement unless it's a high HP racing setup (that doesn't mean CAI and muffler). Other than that, GM did a hell of a job on plug selection.
For those of you that said "X-brand" made your engine run smoother/better, it's more than likely that just changing your plugs period is what made it run better, not the brand you chose.
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02-25-2008, 01:34 PM
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#10
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GL Member
Join Date: Jul 2007
Location: Loring, Ontario, Canada
Posts: 579
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Quote:
Originally Posted by Alon Alero
But what about the NGK ones? and the iridium? also, what do u mean when u say smoothness of the engine?
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Idles smooth, not rough, pull a couple plugs wires off and start her up, you'll understand then.
__________________
2003 Alero
2.2 5speed
Grey
1996 GMC Yukon 4x4
5.7 liters of gas suckin power!
33x12.5r15 Mud Terrians on 15x10 wheels
111,111,111 x 111,111,111 = 12345678987654321
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02-25-2008, 02:06 PM
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#11
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Aleromod part owner
Join Date: Nov 2003
Location: Far Northeast Philadelphia, PA
Posts: 18,199
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I was having big problems with the Bosch plugs (+4's)
Switched them back to the ACDelcos and haven't looked back. Not worth it unless you're modded out big time.
Over on Classic Oldsmobile a guy has an 11 second car, with stock plugs and stock HEI
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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
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02-25-2008, 02:27 PM
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#12
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Jack-Wagon
Join Date: Mar 2005
Location: Houston, TX
Posts: 3,834
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Quote:
Originally Posted by Redog
I was having big problems with the Bosch plugs (+4's)
Switched them back to the ACDelcos and haven't looked back. Not worth it unless you're modded out big time.
Over on Classic Oldsmobile a guy has an 11 second car, with stock plugs and stock HEI
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Prime example bro.
For the record...(and as much as this topic comes up, a broken one) I was running AC Delco same as stock except 2 ranges colder, on my setup at 15psi boost when the tranny assploded. Stock coil packs, and stock wires, stock brand plugs.
I'd love to see people invest their time and money in to more beneficial performance mods than wasting money on ignition.
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02-25-2008, 02:38 PM
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#13
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V.I.P. Member
Join Date: Dec 2003
Location: westerville,oh
Posts: 633
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i have some Splitfires ill sell ya
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02-25-2008, 02:40 PM
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#14
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New and Improved
Join Date: Jul 2007
Location: Northern Virginia
Posts: 3,074
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shipping to israel might be a PITA....
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02-25-2008, 05:56 PM
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#15
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Master of my Domain
Join Date: Nov 2006
Location: Toledo, Ohio
Posts: 4,072
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Friend with a few few drag cars said the +4's made his times slower.
I run the +2's in my Z34 until I started having issues with the way it run, about 15K miles later. Replaced with Autolite and no issues until I got rid of it.
I run Autolites and like them. The $1 ones. Change them every 1.5 years and no issues.
From what I remember hearing awhile back the Iridium's are mainly for high end motors or turboed motors. No benefit to a stock motor.
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-Ryan
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02-25-2008, 06:21 PM
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#16
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Its Beer Thirty
Join Date: Nov 2005
Location: Goodyear, AZ
Posts: 1,259
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I am running the ACDelco Professional Platinum plugs with stock coils and MSD wires. The only reason I didn't get the ACDelco plug wires was because the MSD's were cheaper.
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Quote:
Originally Posted by Daytona
And, yeah, I try to keep my expectations & standards really low. That's the only way to guarantee that I'll always exceed them.
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02-26-2008, 12:21 AM
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#17
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GL Member
Join Date: Apr 2007
Location: Israel
Posts: 272
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Aight, thx.
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02-26-2008, 12:23 AM
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#18
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AutoCross Alero
Join Date: Nov 2003
Location: South Texas
Posts: 2,759
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what year is your car? mine is a 2003 and mine came from the factory with iridiums.
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02-27-2008, 05:13 PM
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#19
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on vacation
Join Date: Aug 2006
Location: that way
Posts: 2,169
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Quote:
Originally Posted by nickbain
I second that.
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I third that.. i put bosch platinum 4's in my car, not even a mile later my car starts missing, sputtering, and nearly killing over.. took it back home and removed the plugs, 4 were cracked, one was fried, and only one actually looked new. ACdelco ftw.
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02-27-2008, 06:18 PM
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#20
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Aleromod part owner
Join Date: Nov 2003
Location: Far Northeast Philadelphia, PA
Posts: 18,199
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The kid at the store told me this when I bought new plugs for the Delta
"Standards aern't the best way to go, but the safest"
They where trying to sell me Platuums for the Delta, had Plats in the 307 and it turned out to be a big problem. Try all 8 plugs missing at the same time
__________________
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
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