Got PEMS installed. - 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 03-24-2007, 09:42 PM   #1
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Default Got PEMS installed.

Car fully warmed up i'm getting maybe 2-4 degrees knock. Car runs alot better. You can really hear that supercharger now for sure. I also installed my new EGR valve I aquired yesterday for 21 bucks. :P All in all i'm very impressed. BTW air temperture was in the high 60'* and I ran with all my fans and AC operating.
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Old 03-24-2007, 10:07 PM   #2
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I'd still be concerned about that KR...
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Old 03-24-2007, 10:09 PM   #3
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2-4 degrees of KR this time of year? You're in serious trouble. When the weather warms up, you'll have an engine-killer.

Are you asking for help with something, or is this just a General topic?
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Old 03-25-2007, 12:18 AM   #4
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what more can I do or do I need to go back with a 2.3 pulley. I have done everything everyone else has and it'* seems to be a lost cause. Also it just pulls the timing right before shifting. At full throttle I have no KR at all.
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Old 03-25-2007, 12:21 AM   #5
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KR at the shift point is a common occurance, although I'm not sure it should be totally ignored. I'd swap up a pulley size. I'm not sure if you've checked all this, but how'* your fuel pressure, cat converter, fuel filter & pump, injectors?
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Old 03-25-2007, 12:23 AM   #6
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You might want to try a high flow catalytic convertor.
Also, have you checked your fuel pressure?
Other things to check are:

dirty/clogged fuel injectors
fuel filter
vacuum leaks
exhaust leaks
pcv valve
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Old 03-25-2007, 12:25 AM   #7
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fuel system is in good shape as is all exhaust components.
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