Spark Plug Gap - HELP! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-01-2004, 12:34 PM   #1
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Default Spark Plug Gap - HELP!

Help,

Okay, i have looked around my car, this site, and the internet and i can not locate the proper gap for my car. what is it? Rogue? Willwren? Anyone?


And is there a trick to getting those back spark plug wires off? what is with the metal caps on the wires - i know they are heat sheilds, but are they part of the wire?


thanks,
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Old 08-01-2004, 12:43 PM   #2
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Well i just ran out to look at the sticker on top of the radiator cover on top and it says .060 inch gap for the plugs. Im thinkin yours should be the same, but check on the plastic cover on top of your radiator. There should be factory stickers there with specs and the spark plug gap should be there also. Hope this helps ya out.
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Old 08-01-2004, 12:54 PM   #3
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no such markings on mine -
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Old 08-01-2004, 12:56 PM   #4
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The is a label somewhere. Do you see a label with a belt routing diagram on it? It might be by a strut tower or something too. If you find that sticker it will have the gap listed on it somewhere... most likely in small print somewhere on it.
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Old 08-01-2004, 01:05 PM   #5
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no label with belt routing or spark plug gapping present. still need help on the gaping i have all of the wires off - those rear ones are a royal pain in the @$$!
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Old 08-01-2004, 01:37 PM   #6
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found it! in the glove box, it was in the manual they give with the car.

.060 was the req.

can anyone tell me if it needs to be smaller because of my mods?
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Old 08-01-2004, 01:45 PM   #7
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For your mods, maybe a one heat-range colder plug, gapped to .055". All stock cars from 87-current should be .060 (GXP may not be for .04.....I forgot my N* gap, sold the car 4 years ago).

The plug gap is required by law to be under the hood, typically on the top of the radiator support/shroud. The emissions label is there, somewhere.
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Old 08-01-2004, 02:00 PM   #8
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Agreed, copper plugs, .055 1 step cooler.
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Old 08-01-2004, 06:05 PM   #9
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i wonder if i am missing my shroud. There is not a plastic cover over the radiator . . . i will take a look at a couple of your pics and see if i am missing it.
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Old 08-01-2004, 06:10 PM   #10
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In my sig pic, the labels on my radiator, the one just to the left of the yellow airbag sensor label is my emissions label.
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