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.

high acceleration sputtering, lacking power?

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Old 06-07-2005, 09:17 PM
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Originally Posted by opensourceguy
I'm partial to NGKs. TR60s are stock heat range [stock, no mods]. TR55s are one range colder [CAI, exhaut mods, minimum].

.050" or .055" gap for either. Pick the gap you want..


-justin
Gap them at .60. You have no mods to be gapped smaller....Plus you're not Force Inducted where the true benefit of colder and smaller gapped plugs are a requirement.
Old 06-07-2005, 09:30 PM
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He is though. This is a topic nobody will end out agreeing upon. Someone have some pure facts on this stuff? Information to back up your'* or someone else'* statements?


-justin
Old 06-07-2005, 10:48 PM
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ok i changed out the front plugs, but how the hell am i supposed to reach the back ones? do i have to remove alot of stuff or need a certain tool? cuz it looks like a really tight squeeze for a regular ratchet
Old 06-07-2005, 10:49 PM
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Not as tight as it looks. You may want to take off the strut bar, but that'* it.
Old 06-08-2005, 05:15 PM
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ok i changed em out, its running smoother and stronger, i thnk the old ones were platinum or iridium, they had the points for the spark, but anyway it still semms to be farty but less, what else should i check, fuel pump, any valves or such?
Old 06-08-2005, 05:45 PM
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What did you gap the plugs at? How old is your O2 Sensor?


-justin
Old 06-08-2005, 06:39 PM
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Originally Posted by opensourceguy
What did you gap the plugs at? How old is your O2 Sensor?


-justin
.060 and iuno there the same ones that came with the car, how much wud they cost to change, arent they like $80 each?
Old 06-08-2005, 08:15 PM
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Mine was $20, however since you have a '96, you have a different O2 Sensor than I do, along with more. I'm hoping you don't have 4.. otherwise it shouldn't be that bad. But yeah, around $80 sounds about right for your car.


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Old 06-08-2005, 08:22 PM
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Should have two heated O2 sensors.
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