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Subject: "Spark Plugs?" Previous topic | Next topic
Mattcky2kJan-22-04 11:19 AM
Member since Jan 27th 2002
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#12183, "Spark Plugs?"




          

i'm going to be replacing my valve cover gasket soon and i thought i might as well change the spark plugs while i'm at it cause i have no clue when they've been changed in the past. anyway i was wondering if i should go with the one range colder or just stay with stock heat range. i don't have any mods right now except for an intake and i probably won't be getting a bigger turbo or upping the boost any time soon. TIA!

1997 Mitsubishi Eclipse GSX: K&N Filter, John Sheppard built transmission with GVR4 1st gear, autometer boost gauge, "free mods", Greddy type-s BOV, broken shifter

  
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SkillionaireJan-22-04 11:32 AM
Member since Mar 08th 2002
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#12184, "RE: Spark Plugs?"
In response to Reply # 0

          

Stock NGKs BPR6ES wuill be fine

93 Talon Tsi FWD
Big 16g Powered!

R.I.P 96 Turbo GS

  
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TeamJeff_99gsJan-22-04 12:16 PM
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#12185, "RE: Spark Plugs?"
In response to Reply # 1



          

Yup, stockers work great.

  
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Module UnknownJan-22-04 01:34 PM
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#12186, "RE: Spark Plugs?"
In response to Reply # 2

          

Here's what I have always heard to go by.

NGK BPR6ES gapped at .030" for up to 16psi boost,
NGK BPR7ES gapped at .028" for 17psi and up...

  
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TeamJeff_99gsJan-23-04 04:28 AM
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#12187, "RE: Spark Plugs?"
In response to Reply # 3



          

It isn't boost dependent. Generally it should go by the size of the turbo. If you are running something like a 20G or larger, the 7 series plug should be used. Even then, you can use the stock plugs and be fine.

A Big16G can run 20+psi no problem, but you can still use the stock plugs. The 7 series plugs just helps keep things a little cooler. The engine is designed for use with a 16G anyway, so stock plugs are great.

  
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