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.

What kind of spark plugs would you recommend?

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Old 12-19-2002, 01:32 AM
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do u have a non supercharged engine? I know the bosch plus 4s worked fine in my old 92 se.
Old 12-19-2002, 10:18 AM
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Or you can get the Denso Iridiums. Not to sure how much youll gain from those, but on my old Accord I gained more power from those than the NGK'*.
Old 12-19-2002, 01:21 PM
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AC Delco Platinums are the same as NGK Iridiums. Just AC Delco Platinums are damn near impossible to get around here. As for Splitfire, I run 'em and they are fine. I am going to get Delco Platinums (if i can get find them) just to test them out.
Old 12-19-2002, 03:19 PM
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Originally Posted by compyelc4
I ran Bosch Platinums for the first 100k. I hated to change them. They looked like new in box. I'm now at 80,000 more miles on my second set of Bosh Platinums.

Isn't it funny how one thing works like crap in one car and works great in another of the same type?! Go figure.
Yes it is funny. I ran Bosch Platinums in my car for three months and had to replace them. I didn't race and I have a 30 min commute into work (one way) every day. It seems that that type of driving wouldn't be so hard on plugs of any type.

Oh well.
Old 12-20-2002, 01:37 PM
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I put in AC Delco rapid fires.
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