spark plugs - 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 03-04-2003, 07:04 PM   #21
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I get MSD products, I just have to figure out what people want and the prices. But they will be the best that can be.
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Old 03-04-2003, 07:15 PM   #22
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You know...I must agree...a complete package (for sale) would be great too....stat,plugs,wires...possibly coils?? It is human nature to RUN with what you can trust...so availabilty, selection and prompt delivery would constitute RELIABILTY...and that equals TRUST...

SO WHERE IS MY T-STAT (ADTR)..I ordered it last week....
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Old 03-05-2003, 05:29 PM   #23
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But the plugs were working fine. I did not have any problems with my spark plugs. They were working fine for about 8 months. I just decided to change them just because. I don't mind going to NGK. I just wantedto be sure excess oil wasn't seeping into the cylnders
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Old 03-06-2003, 07:23 PM   #24
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Quote:
Originally Posted by jr's3800
Quote:
Originally Posted by VegetaQ
But the plugs were working fine. I did not have any problems with my spark plugs. They were working fine for about 8 months. I just decided to change them just because. I don't mind going to NGK. I just wantedto be sure excess oil wasn't seeping into the cylnders


You wanted to be sure that excess oil wasn't seeping into the cylinders???? Are we talking valve stem seals, or piston ring problems here... Is this what you were checking on?
Yes. I was worried that I might have had a leak at the piston rings. Or at a seal in the engine or something. I just didn't know if it should be black or have ne oil in theyre.
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Old 03-06-2003, 11:25 PM   #25
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You're dead right. With all the reading and research I do on these drivetrains, and all the experiences I see here, I have yet to see a single Bonneville with any problem that would even indicate a compression problem. Damn near every fix for poor power, stumbling, or mileage comes right back to a basic Tuneup.

Fantastic drivetrains. Basic maintenance for the lifetime. We're seeing everything else on the cars fall apart long before the drivetrain.
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Old 03-07-2003, 03:20 PM   #26
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This may be a bit off topic, but it is the direction this thread is going...
I need to get my oil changed for one and don't fell like doing it myself, so I'm planning a trip to the stealership to see if they're good people or not. I don't have a lot of experience actually working on this engine, so I don't know what exactly is meant by a good tune-up. I am fully capable of changing my own sparkplugs, but I don't know what else to do (aside from fluid changes and such) to make my car (which I've only had for 1 month) ready for a road trip to Vegas from Iowa. Do I just go over to the dealership and be like, change my oil, and do a tune-up while you're in there, then pay out my butt when its done?
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Old 03-09-2003, 01:13 PM   #27
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an easy way to check the rings is to do a compression test. then add a little oil in the plug hole and recheck it, if it goes up alot , then your rings are worn. a better way is to do a leak down test. you make sure both valves are closed and then pump air into the cylinder. the tol has 2 gauges on it. one for the pressure going in and the other is the holding pressure. also you can hear where the air is coming out of. ( intake/exhaust, valve cover)
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Old 03-13-2003, 02:13 PM   #28
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After being around GTP'* for 4 years I will reccomend AC 41-932 plugs gapped at .058 for Series 2 mills that have light mods(3.4 pulley, intake, exhaust,t-stat) They are the best plugs we have in every aspect for owners who need 1 heat range colder than stock.
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