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Old 05-14-2008, 01:27 PM   #1
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best spark plugs..

ive seen the threads for the bosch platinums but i have a 96 s10 with a 2.2...

i thought about NGK iridiums denso iridiums and whatever the best plug ac delco makes. i almost bought bosch fuzions
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Old 05-14-2008, 01:38 PM   #2
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Re: best spark plugs..

Quote: Originally Posted by s10racer4
ive seen the threads for the bosch platinums but i have a 96 s10 with a 2.2...

i thought about NGK iridiums denso iridiums and whatever the best plug ac delco makes. i almost bought bosch fuzions
search dude. 95% of the ppl on here are gonna tell you this. Dont waste your time or money with iridiums, bosch period. AC delco or standard NGK plugs work the best. I run NGK and prefer them a little over the delco's. Most people will tell you they had bad luck w/ anything else. i had bosch plantnium 2's and i took them back. My truck ran like shit w/ them in.
Old 05-14-2008, 01:48 PM   #3
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Re: best spark plugs..

yeah go with the delcos or the ngk's, bosch's are fine the first few thousand miles then they go to hell.
Old 05-14-2008, 01:53 PM   #4
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Re: best spark plugs..

Delco +1
Old 05-14-2008, 02:17 PM   #5
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Re: best spark plugs..

I have had really good luck with AC Delco in the past, and Im currently looking at pulse star plugs
Old 05-14-2008, 03:12 PM   #6
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Re: best spark plugs..

I am running the delco rapid fires. Truck runs good and has great mileage. I try to go for factory on stuff like that. If the engineer that designed the eng, also had something to do with the plug.

My thought is if the factory used them than they must have performed the best for that engine. some plugs hurt MPG and don't last as long due to wrong heat range.
Old 05-14-2008, 04:10 PM   #7
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Re: best spark plugs..

AC-DELCO TRIPLE PLATINUM, i have them in my 95 2.2L Noma!
Old 05-14-2008, 04:11 PM   #8
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Re: best spark plugs..

Delcos
Old 05-14-2008, 04:34 PM   #9
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Re: best spark plugs..

i put some denso iridiums in my truck about 6 months ago and noticed no difference at all. I wont waste that kinda of money again. I ran delco's before the iridiums.
Old 05-14-2008, 06:17 PM   #10
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Re: best spark plugs..

i have densos and i noticed a difference - slight, but a difference nonetheless.
i've been curious to try the E3 plugs though. i put one in a single cylinder ohv engine and it started much easier than with the previous plug (champion platinum)

Last edited by halfofav-8; 05-14-2008 at 06:25 PM.
Old 05-14-2008, 10:04 PM   #11
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Re: best spark plugs..

Champions and NGKs dont really go well with "Amercian Made Cars"...well at least NGK's dont they work better in Japanese cars b/c they are a japanese plug....from what ive seen and heard. Just a thought!
Old 05-14-2008, 10:28 PM   #12
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Re: best spark plugs..

my '94 sonoma & '93 bravada have delcos
not sure on the '03 grand cherokee or '93 sierra havent done a tune up yet on them
the '70 firebird has champions
i have always used champions in older cars, not sure why, just the way i was brought up i guess
Old 05-14-2008, 10:31 PM   #13
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Re: best spark plugs..

AC Delco's FTW..................nothin but!...........
Old 05-15-2008, 12:10 AM   #14
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Re: best spark plugs..

Delcos in all of my vehicles
Old 05-15-2008, 11:22 AM   #15
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Re: best spark plugs..

Same here, my dad uses delco just about on everything...thats probably part of the reason why i use them, anything that u can get thats made by ac-delco or gates thats made in america use..b/c from hearing other peoples experience of a replacement part they put on their truck thats made in a 3 world country or some shit always seems to fail...! I try to use only shit thats made in america b/c it seems to perform better and last longer!
Old 05-15-2008, 01:45 PM   #16
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Re: best spark plugs..

auto lite. saw it on king of the hill got to be the best right?
Old 05-15-2008, 01:49 PM   #17
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Re: best spark plugs..

I was thinking about using E3, if ne1 hasnt had ne problem with them..let us know!
Old 05-15-2008, 01:50 PM   #18
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Re: best spark plugs..

That's funny, Japanese plugs work best in Japanese cars. Please explain the SCIENCE in that theory. A good plug is a good plug. The materials and the engineering are what makes the plug good or bad. I put the NGK iridiums in my dime and could not be happier. In 22 years I've used a lot of plugs. Like the delcos too.

BTW - I'm tired of hearing how certain parts are engineered for certain vehicles. These trucks were engineered to be a low cost, reliable truck. Most vehicles start as one thing and parts are literally just swapped in and out as the engineers find out what works best, how it effects cost, etc., etc.

Case in point: who has swapped out their mechanical fan for an efan?
Old 05-15-2008, 02:19 PM   #19
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Re: best spark plugs..

i havent yet, but im planning on it...ive heard they work real well..just dont know what brand or manufacturer is said to be the best. i know they are all the same just about or work the same. i wanna see if i can get a dual instead of a single efan if possible! s10racer im lovin the forum signature!

Last edited by GmcNoma95; 05-15-2008 at 02:29 PM.
Old 05-17-2008, 01:36 AM   #20
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Re: best spark plugs..

Have an 03 2.2 w/80,000 and the owners manual says use AC. The part number translates to an Iridium plug number. Thats what I used.
Old 05-17-2008, 02:33 AM   #21
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Re: best spark plugs..

thats odd i have an '02 and a '03 manuel, and they both call for the AC Delco 41-948. the platinums.

http://store.summitracing.com/partde...art=acf-41-948

what i always ask people is "how long did your stock plugs last?" and most say something along the lines of "110,000 miles" (etc) and i say "why would you waste your time with anything else?" lol
Old 10-17-2011, 01:21 PM   #22
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Re: best spark plugs..

Denso Iridums made my 4.3 the absolute smoothest 6 cylinder I've EVER driven. Put em in my bikes as well. I'll swear that engine vibrations are reduced also.
Old 10-19-2011, 09:45 PM   #23
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Re: best spark plugs..

I Ran AC Delco with bosch wires, runs great but before i ran on 3 cylinders so any improvement was noticeable
Old 10-19-2011, 10:12 PM   #24
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Re: best spark plugs..

i've alway's used AC Delco's and Bosch Lifetime wire's..............
Old 10-19-2011, 11:10 PM   #25
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Re: best spark plugs..

ac delcos in all 3 of my vehicles. when i went to test drive my 98 i notice a roughness at idle i told them they needed to fix that before i bought the truck. i went back a week later they said the spark in it were champions and they switched them to delcos and boom it was smooth.
Old 10-20-2011, 06:31 PM   #26
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Re: best spark plugs..

Ngk
Old 10-24-2011, 11:32 PM   #27
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Re: best spark plugs..

AC Delcos.
Old 10-25-2011, 05:21 AM   #28
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Re: best spark plugs..

Another vote for NGK's, I run them all day long on LS1's
Old 11-02-2011, 11:07 AM   #29
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Re: best spark plugs..

I just put bosh plugs in thinking they were good plugs. What makes them so bad for the 2.2L?
Old 11-11-2011, 11:16 PM   #30
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Re: best spark plugs..

anytime anyone asks me i always tell em ngks, im a bmw tech and bmw runs them, they are our oem plug, so if thats any indication of what plug to use..lol, i have an s10 and have been running the ngk for couple years and no problems at all, for all you asking about the E3 plugs, DO NOT BUY THESE PLUGS, they cause problems, and there special designed tip has proven to ruin pistons due to the tip becoming hotter then normal plugs and burning holes in pistons and not firing as they should, stick with delcos or ngk but imo ngks all the way!
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