what plugs and wires are suggested? - 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 03-07-2010, 06:46 AM   #1
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Question what plugs and wires are suggested?

Well I recently purchased a 1992 Oldsmobile 88 with the 3.8L (L27). I am trying to do an all around tune up on it since it is my daily driver now.
I would like some suggestions on spark plug wires and spark plugs.
I really appreciate it!

BTW this site is awesome! All kinds of good information!
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Old 03-07-2010, 08:11 AM   #2
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I use the Autolite copper and have no problems. For wires, most use the OEM replacements.
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Old 03-07-2010, 11:40 AM   #3
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I use the Autolite copper and have no problems. For wires, most use the OEM replacements.
The copper plugs are almost required for the boosted cars, but for your N/A porksoda, you can use most any name brand spark plug in the factory heat range.

Rock auto sells a tune up kit that comes with a fuel filter, plug wires and a pcv valve for around 24 bucks, then you just need plugs and your pretty much set.
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Old 03-07-2010, 01:14 PM   #4
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Depending on how long you want to keep it. I use auto light XP'* if you don want tot drop that much green and auto lite platinum will work.. Wire AC delcos are great no need for after market.
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Old 03-07-2010, 02:07 PM   #5
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Any copper plug gapped right will be fine in your car. In the past I have had good luck with Bosch Platinum +2'*, they are a little spendy though. OEM style wires will be good enough for your N/A car
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Old 03-07-2010, 02:45 PM   #6
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Are the 3.8(L27) and the other 3.8'* the same style? What I am trying to say is are the plugs and wire in the same design?
I saw a write-up on how to do it on a later model 3.8 by a fellow member on here.
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Old 03-07-2010, 02:46 PM   #7
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Quote:
Originally Posted by Rockstar04 View Post
The copper plugs are almost required for the boosted cars, but for your N/A porksoda, you can use most any name brand spark plug in the factory heat range.

Rock auto sells a tune up kit that comes with a fuel filter, plug wires and a pcv valve for around 24 bucks, then you just need plugs and your pretty much set.
wow, I just ordered everything for the tune-up on my bonnie, and didnt even see that
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Old 03-07-2010, 04:15 PM   #8
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The plugs should be in the same place as the L32 (Series 2 N/A) and L67 (Series 2 */C) and the wires should be routed real close. Use the write-up as a place to start
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Old 03-09-2010, 04:02 AM   #9
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I was given 8.5mm plug wires at an auto parts store recently, I thought it seemed excessive but they should work fine, right?
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Old 03-09-2010, 09:09 AM   #10
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That will be fine. That'* the size I'm using.
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