Spark plugs - 02 WRX prodrive
02 September 2003, 01:33 PM
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Already done the searches and found that if your running more boost it's worth while changing the plugs to NGK PFR6B's or PFR7B's .
When Subaru installed ppp there has been a gain from 15psi to 19psi and I presume that Subaru did'nt upgrade the plugs as part of the package for some reason or other.
I'm wondering if it's worth doing and if there will be any noticable gain, anyone know the answer?
Cheers
Maddy
When Subaru installed ppp there has been a gain from 15psi to 19psi and I presume that Subaru did'nt upgrade the plugs as part of the package for some reason or other.
I'm wondering if it's worth doing and if there will be any noticable gain, anyone know the answer?
Cheers
Maddy
02 September 2003, 11:39 PM
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IIRC, you should have the 6Bs fitted as standard anyway. If you're getting an occassional "miss", may be worth reducing the gap on them slightly. 0.7 to 0.75mm seem to be popular figures.
03 September 2003, 07:02 PM
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Thanks for the advice, not getting any misses, well none that I've noticed anyway.
Guess I'll keep with the standards.
Cheers
Maddy
Guess I'll keep with the standards.
Cheers
Maddy
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