white spark plugs!!
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white spark plugs!!
hey guys just took out my spark plugs and the tips are white with little gray mostly white. Using bkr7e11's not sure what there gapped at (previous owner no idea). But should i get a step colder than those? I knew they need to be gapped around .025-.030? what u guys think? it doesnt overheat at all, have 450cc injectors as of now just order 880cc also have walbro fuel pump
b18b1 turbo around 350hp how it sits now
b18b1 turbo around 350hp how it sits now
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Re: white spark plugs!!
seems lean... but for a good test grap a bew set of plugs, and go for a wide opne pull...3 or 4 should do it, then check the plugs ( AFTER THE ENGINE COOLS dont want to strip the threads out the head) you should get a wideband...narrow if money is a issue.
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#8
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Re: white spark plugs!!
if the ground strap looks like it has been painted white, its most likely that you filled up at a gas station with a high ethanol content.
you look at the ground strap to read timing. You look at the porcelain and base of the porcelain for fuel. Spark plug threads for heat range. You can also read ignition on the porcelain but it takes a little more of a trained eye.
you look at the ground strap to read timing. You look at the porcelain and base of the porcelain for fuel. Spark plug threads for heat range. You can also read ignition on the porcelain but it takes a little more of a trained eye.
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Re: white spark plugs!!
well i did jus switch to 94 octane
if the ground strap looks like it has been painted white, its most likely that you filled up at a gas station with a high ethanol content.
you look at the ground strap to read timing. You look at the porcelain and base of the porcelain for fuel. Spark plug threads for heat range. You can also read ignition on the porcelain but it takes a little more of a trained eye.
you look at the ground strap to read timing. You look at the porcelain and base of the porcelain for fuel. Spark plug threads for heat range. You can also read ignition on the porcelain but it takes a little more of a trained eye.
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Re: white spark plugs!!
his car comes stock with a narrow :p
But ya it sounds like it's lean, but that depends on who tuned the car too. For regular driving it may have been tuned a little lean for gas mileage or something.
Get a wideband to read your afr's. As long as your rich in boost, you're all set. It wouldn't be a big deal if your afr's are a tad lean under conservative driving.
But ya it sounds like it's lean, but that depends on who tuned the car too. For regular driving it may have been tuned a little lean for gas mileage or something.
Get a wideband to read your afr's. As long as your rich in boost, you're all set. It wouldn't be a big deal if your afr's are a tad lean under conservative driving.
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Re: white spark plugs!!
how to read plugs from a quick google search
http://www.4secondsflat.com/Spark_plug_reading.html
http://www.4secondsflat.com/Spark_plug_reading.html
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Re: white spark plugs!!
my afr reads between 14.0-14.6
his car comes stock with a narrow :p
But ya it sounds like it's lean, but that depends on who tuned the car too. For regular driving it may have been tuned a little lean for gas mileage or something.
Get a wideband to read your afr's. As long as your rich in boost, you're all set. It wouldn't be a big deal if your afr's are a tad lean under conservative driving.
But ya it sounds like it's lean, but that depends on who tuned the car too. For regular driving it may have been tuned a little lean for gas mileage or something.
Get a wideband to read your afr's. As long as your rich in boost, you're all set. It wouldn't be a big deal if your afr's are a tad lean under conservative driving.
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#17
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Re: white spark plugs!!
in partial throttle (around half , give/take a lil) ranges from 13-14, idle and above sits around 14-15. wide open throttle is firm in between 11.6-11.8.
my motor is stock (b18c) every compression test is around 230psi. #1#2#3#4
you should post a picture of your plugs.
my motor is stock (b18c) every compression test is around 230psi. #1#2#3#4
you should post a picture of your plugs.
Last edited by jasoncrashtech; 07-03-2009 at 08:12 PM.
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Re: white spark plugs!!
in partial throttle (around half , give/take a lil) ranges from 13-14, idle and above sits around 14-15. wide open throttle is firm in between 11.6-11.8.
my motor is stock (b18c) every compression test is around 230psi. #1#2#3#4
you should post a picture of your plugs.
my motor is stock (b18c) every compression test is around 230psi. #1#2#3#4
you should post a picture of your plugs.
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Re: white spark plugs!!
its bogging like crazy now at low rpms...it seems like its trying to break through it like breaking apart cant really describe it.
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