which Spark Plug GAP??

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01-08-2010, 12:14 AM

#26

D4u2s0t

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Quote:

Originally Posted by SSinPA

I know that lol i have one and mine are gapped to .032". I'm asking how do you know if the gap you have set is good enough?

you'll know if it's wrong. won't run right. if the car runs ok, don't sweat it.

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01-08-2010, 12:15 AM

#27

SSinPA

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you mean if it starts misfiring and such?

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01-08-2010, 12:16 AM

#28

D4u2s0t

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misfire, sputter, hard to start, choppy idle. things like that.

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01-08-2010, 12:17 AM

#29

SSinPA

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cool thanks

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01-08-2010, 12:20 AM

#30

StevesBlack06

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yep i missed the 0 aswell... sry i blew up. .032 it is

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01-08-2010, 12:37 AM

#31

mrbelvedere

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Quote:

Originally Posted by StevesBlack06

yep i missed the 0 aswell... sry i blew up. .032 it is

pimp dawg dizzle

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01-08-2010, 04:05 AM

#32

insylem

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Quote:

Originally Posted by CobaltVenomSS

im just looking for the recomended gap... its at .038 now...i have NGK's

You guys are talking about 38? 32? According to my Haynes Manual it says 42 or 40 depending on your engine, year ect...
I have one step colder plugs gapped at 40 instead of 42 as reccomended by the company that did my tune.

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01-08-2010, 08:39 AM

#33

D4u2s0t

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Quote:

Originally Posted by insylem

You guys are talking about 38? 32? According to my Haynes Manual it says 42 or 40 depending on your engine, year ect...
I have one step colder plugs gapped at 40 instead of 42 as reccomended by the company that did my tune.

that's for a stock setup though.

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01-08-2010, 11:20 AM

#34

insylem

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ok gotcha thanks

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01-08-2010, 11:29 AM

#35

rnjmur

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The idea is always to have the largest gap possible without getting spark blowout. For a 2.85 pulley I would start at .034 and work my way down from there if you are having problems.

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01-08-2010, 11:31 AM

#36

qwikredline

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Quote:

Originally Posted by mrbelvedere

how you tell is buy a plug gapping tool and check the gap

will you stop pointing out the obvious Mr. Belevedere? Ya would think none of us have the complete set of workshop manuals for Cobalt and just stick the stuff on our cars and hope for the best....