92 SSE! stutters at boost - 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 02-09-2007, 12:14 AM   #1
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Default 92 SSE! stutters at boost

Hi im newbe and my SSE! is sick. I have owned a 92 SSE for years and its been a great ride 260xxx and still rolling. Currently I purchased another 92 but upgraded to the supercharger and 150xxx cheap do to the smashed hood and busted raditor did not set off bags thou and rest of car in mint condition. perfect green metalic macth for my parts to swap. according to prevouis owner the SSE! had fresh tune up "3000 miles" and snout rebuilt same time. now with new radiator i start it and its got a miss at idle so i changed plugs with ngk. tr-55 v idled good but if you hold brake and accelerat it runs smooth and powerful up to 1lbs+of boost then it stutters 20% loss of power but still has power to accelerat to full boost? Changed out plug wires but same results car was almost out of gas so i drove it station and filled up with 93 oct. still same results came to a full stop and then let the horses run full out up to 125+ and stilll same problem that was two weeks ago since then changed air filter, new battery, checked the coil with spark gauge fixed two bear wires near alternator and stutters now at -3lbs boost and has rough idle. HELP Thanks
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Old 02-09-2007, 12:18 AM   #2
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Mine acted similarly when my fuel pump was dying.
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Old 02-09-2007, 12:24 AM   #3
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I was thinking of buying a fuel pressure gauge im guessing it needs 34lbs+ I have a new one in my SSE will it pump enough feul for the supercharger thou?
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Old 02-09-2007, 12:27 AM   #4
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I think 40+ at idle and around 48 at WOT is normal.
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Old 02-09-2007, 12:37 AM   #5
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I will check pressure tommorrow nite and go from there thanks for the info. Awsome Club by the way
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Old 02-09-2007, 12:50 AM   #6
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41 is minimum spec for key on, engine not running. And it should take at LEAST several minutes to bleed down.
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Old 02-09-2007, 10:21 AM   #7
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Have you checked the coil packs?
http://www.bonnevilleclub.com/forum/...e=article&k=33

Even though you're getting spark, could be weak primary / secondary problem within the coil.

I had a similar problem: When I stepped on the gas, and reached + boost, the car would stumble.
I removed each pack and tested as Will outlines in the link, found one that was weak, and I replaced it.
The result? When I stepped on the gas, I nearly peeled the tires off the rims

Please keep us posted.

Adam
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Old 02-09-2007, 10:25 AM   #8
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Are both of your cars supercharged, and if not, which one are we talking about here?

You should have been running premium fuel to BEGIN with. It'* required if you're supercharged.
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Old 02-09-2007, 12:46 PM   #9
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the SSE is not supercharged and may end up being a future parts car; I will check the coils more, I purchased the supercharger a few weeks ago and brought back from Indiana end of January. The supercharger is what im working on.
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Old 02-09-2007, 12:56 PM   #10
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hold on....your trying to swap the SC to the NON SC vehicle??
or im just totally confused by your orignal post
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