poor performance - Page 2 - 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 09-17-2007, 04:51 PM   #11
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I've cleaned a TB in 30 minutes, including the time it takes to put it back on. It'* really not that hard and not at all time consuming. IMO, while you're doing that, change your LIM gasket. It'* a bit more difficult, but it sure will save you pain down the road..
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Old 09-17-2007, 07:05 PM   #12
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Change out the plugs and wires just now. actually, this seems to have corrected the problem! Can't say for sure, i only drove it around the block. trips to and from work will tell the tale. I have too much homework and dinner to make to do a lengthy test run.

I noticed that on my old plus when i took them out they where burnt on an angle... odd. almost for sure an effect of the shortening of the neg electrode. i wouldn't recamend it.

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Old 09-17-2007, 07:06 PM   #13
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Quote:
Originally Posted by Darrel
TR55 plugs... i tried to find those last time and no one carried them... any suggestions?
I beleive they cross to part# 3951 but will still say tr55 on them.
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Old 09-17-2007, 07:52 PM   #14
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Hmm did some reading that i probably should have done first and ended up with platinim plugs... i went to get the tr55 plug and they didn't have any others but the tr55 gp. So, i put them in... seems to run fine now but if what i read is correct that'll only last a short while and it'll be back to crap. Is there any harm in just going until i notice a lack of performance / poor running engine? I'd like to make it to my next check at least...
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