Spark Plugs - 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 04-03-2005, 09:13 PM   #1
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Default Spark Plugs

is it a good idea or bad idea to take spark plugs out and goover them with sand paper. The spark plugs i have are AC Platnium $5.99 per plug they seem a litte worn should i replace them or try to clean them up a bit? Where can i get good plugs wires and ignition coils?
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Old 04-03-2005, 09:14 PM   #2
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sand paper? what does that do? i would say just buy new ones
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Old 04-03-2005, 09:26 PM   #3
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I don't see any harm in it...if you are really strapped for cash.

But I would just pick up 6 new ones....
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Old 04-03-2005, 09:36 PM   #4
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get new ones, its worth the cost.

You don't have to get the AC delcos.
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Old 04-03-2005, 10:57 PM   #5
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Well i bought the card used and i don;t want to downgrade on plugs these ones go for 5.99 per plug so there kinda up there on quailty so you figure about 40 bucks for new ones of the same type. What do MSd ignition coils do vs. stock coils create a bigger spark and are they worht investing into?
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Old 04-03-2005, 11:01 PM   #6
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Buy NGK TR55 V-Power plugs for a fraction of your last price, and there'* no difference in performance. Spark plugs don't add performance. They just restore lost power.

MSD coils are slightly hotter than the 92-99 SE/SLE/SSE coils, and also the 92-96 SSEi. They are the same ratio/voltage as the 97+ SSEi/GTP coils. You MIGHT feel slightly more midrange power and have a slightly smoother idle. MAYBE. This is assuming an already perfectly tuned car.
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Old 04-04-2005, 01:40 PM   #7
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another option would be sand blast the beasts or soak them in gaoline.......this would cleen them off reather then raping them with sand paper.......i do this all the time on avitoation spark plugs, if sand blasting or gasoline use some compressed air agter blasting to get rid of exess sand or gasoline.....and aviation spark plugs are alot more delcate and must preform, for obvious reasons.

and dont forget to regap!!!!!!!



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Old 04-04-2005, 02:11 PM   #8
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Off topic, but do you work in the Aviation industry neekolas?
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Old 04-04-2005, 02:26 PM   #9
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im sorry aobut that, i was just trying to give some assurace of the cleaning regaping and reusing of spark plugs,

yup i work in the industry, as an Avionics technition with an Airframe and power plant licence.

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Old 04-04-2005, 10:40 PM   #10
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So those NGk plugs would be the same as what i have now? the plugs i have now have that semi pointed tip the plugs your saying to buy have that big center electrode whats the difference? I don't know much about mechanics I just know a bigger spark is better because you want to burn fuel effienctly and not have any misfires.
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