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Discussion Starter · #1 ·
Hello,


I'm currently running 24 psi peak boost, tapering to 21 at 7000...
do u guys think i should get 1 step colder SP?? (ie 8 instead of 7)

I havn't dynoed my car yet, but i know it's outputting 360+ bhp...
i've been having some inconsistent knock, so i thought maybe
the SP were the reason... o'wise it might be too much boost...


Rgds+
 

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Hi mate, I had 'uprated' HKS plugs in lasted about 4000 miles, miss-fired like a *******, put the stock ones back, the car runs smoother than it ever has... Think that says it all!

P.S. I'm running 26-27 PSI - Keep with stock or if you feel you need to change I'd go with Denso IKH24 - some plugs do not work well with the IX (Don't know why though!)

Gap should be 0.6mm maybe 0.5mm
 

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I've always found the NGK BR8EIX to be good :D

Probably fine at 0.7mm on that boost, but you can close it down to 0.6mm if problems...

Rog ;)
 

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Discussion Starter · #6 ·
Sorry for late rply guys, as i've been unaible to visit the forum lately...

Thx for the advices, i think i'll try 0.6mm instead of 0.7mm, i believe this should help...
 
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