Slight misfire after 2.55" install (56k... wait a while - Page 3 - 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 09-11-2006, 01:42 AM   #21
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Update, runs well. I took a chance and drove it around the block runs good and only WOT'ed it one time, and it has some punch. I didn't expect it to throw me back so hard.

No more WOT runs until the scantool is run.
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Old 09-11-2006, 08:47 AM   #22
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The 104'* might be a bit cool for the car.

You need to remember, the car isn't running down the road... only idling in the driveway. The plugs will look carbon fouled from lots of idling.

However, that left most plug looks ugly from the top. And being that they were older plugs, it'* time to change anyway.
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Old 09-11-2006, 10:19 AM   #23
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Yeah, They look fairly old, about maybe 8 years old or so. markviiisvt4 told me the 104'* are a fairly good plug for the car, not too cold, but cold enough.
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