Which Plugs/Wires/O2 to use on an L27? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-06-2004, 05:01 AM   #1
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Default Which Plugs/Wires/O2 to use on an L27?

I was wondering what were the best maintenance items to put on L27'*

Not looking for the best, just decent quality stuff.

I have heard all these bad things about bosch so I guess I will not use their stuff.


Plugs: AC Delco ? Platinum or Regular Plugs?
Wires: Does it Matter?
O2 Sensor: I think I will be going with AC Delco on that.
PCV: Does it matter?
Air Filter Does it matter?
Oil Synthetic or Mix or Non (Car has 102K)


I plan on cleaning the throttle body soon as well.


What other cheap things are worth doing on this just to make it run better and get better MPG?
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Old 11-06-2004, 01:55 PM   #2
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anyone know?
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Old 11-06-2004, 02:47 PM   #3
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All looks good. Find wires with a lifetime warranty on them if at all possible.
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Old 11-06-2004, 02:49 PM   #4
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Personally is you are not going to be modding, stay stock, maybe upgrade to NGK Iridiums (made by Delco) but I wouldnt venture past OE parts.

Good luck to ya
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Old 11-06-2004, 10:13 PM   #5
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I guess I do not understand whether to get the $1.89 Standard AC Delco or the $6.99 AC Delco Platinums?

Do I need to use platinum plugs with this car?
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Old 11-06-2004, 10:46 PM   #6
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Quote:
Originally Posted by Hans
I guess I do not understand whether to get the $1.89 Standard AC Delco or the $6.99 AC Delco Platinums?

Do I need to use platinum plugs with this car?
No need. Get the $1.89. Although I get my AC'* for like $10 for all 6... AC-607 or something like that.

Stock gap is on the sticker on top of the radiator. 0.060" for mine.
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