Spark Plug recommendation - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-02-2004, 02:38 PM   #1
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Default Spark Plug recommendation

Hey all,

I am changing my plugs on the weekend, have a stock 1997 SSEi - no mods. The car normally runs hot and I live in Indiana where is does get hot in the summer.

What spark plugs would everyone recommend I put in the car? Should I go with ACDelco, NGK or Champion? Someone here mentioned that the TR55 NGK plugs run cooler, would that be a good choice? Any ideas would help me.

Thanks a bunch,

Andrew
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Old 07-02-2004, 02:51 PM   #2
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Default Re: Spark Plug recommendation

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Originally Posted by along
Hey all,

I am changing my plugs on the weekend, have a stock 1997 SSEi - no mods. The car normally runs hot and I live in Indiana where is does get hot in the summer.

What spark plugs would everyone recommend I put in the car? Should I go with ACDelco, NGK or Champion? Someone here mentioned that the TR55 NGK plugs run cooler, would that be a good choice? Any ideas would help me.

Thanks a bunch,

Andrew
just stick with the delco'*... they're a good plug (and as i noted in an almost identical post by another member about 2 minutes ago in the performance forum), and the iridium ones i picked up two weeks ago, despite their delco packaging and print on the porcelain, the base had NGK stamped into the side of it...

they're a good plug, and you really don't need to worry about colder ranges until you start modding...

matt
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Old 07-02-2004, 02:52 PM   #3
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I currently run the AC Delco Platinums in my 93 and NGK TR55s in my 99. I would highly recommend either. They are both solid performers. Just stay away from Bosch!!
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Old 07-03-2004, 01:45 AM   #4
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I have heard it said that platinum plugs should *not* be used in an SSEi ... but I've never tried it myself (since I haven't owned an SSEi), and I don't know the technical reasons for that recommendation. But you really can't go wrong with the bone stock AC Delcos!
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Old 07-03-2004, 02:21 AM   #5
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don't go for bosch'*! I had to replace them because they would misfore after a 2,000 miles. I put autolite'* in after them and they work great!
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Old 07-03-2004, 12:04 PM   #6
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No problems with Bosch here (both cars).
Could it be the supercharged engines you guy are having troble with?
Or maybe the +4'*?
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Old 07-03-2004, 06:48 PM   #7
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Default plugs

I'm willing to try the NGK'* once the Bosch plugs bit the bullet.
Are these the ones at Advance Auto $1.99
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Old 07-04-2004, 12:16 AM   #8
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You should see my Bosch platinum single electrode plugs after 25k miles. On two of them the platinum center electrode is gone, there is just a hole at the end of the insulator. Strange but true.
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Old 07-04-2004, 07:22 PM   #9
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thanks everyone, I stuck with the AC Delco Rapidfires. They cost me $4.19 each at Autozone.

The old ones I pulled out had done 41K miles, and were still great.
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Old 07-04-2004, 07:32 PM   #10
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Platinum anything is bad in any car with boost.

Anyone interested in a Tech-Info writeup.
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