Quote:
Originally Posted by Amputechture
You don't necessarily need colder plugs unless you are pushing huge power and your IATs and EGTs are ridiculously high. The stockers are pretty damn cold already...hundreds of guys pushing over 500 with factory spark. You aren't going to need their little 'intake scoop' either....all that would matter in regard to playing nice with the ECU is the placement of the MAF and the diameter of the intake piping where the MAF housing sits which would throw off the MAF voltage scaling. You need to re-evaluate if you're more worried about purchasing these little items (coincidentally made and sold by the same company recommending them) than you are worried about running a canned tune on a forced induction high compression motor.
That aside, I just put the SuperFire/M45HL plugs (which are re-branded NGKs) on this past Monday. The install wasn't as bad as folk make it out to be...in my case I did not need to remove the injector ECU. I did un-do the injector ecu's ground wire, removed the charge piping of my turbo, got a bottle jack and slowly jacked one side of the motor up. I'd definitely recommend having a partner there to watch and listen for things that might bind up.
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Yeah, they say HKS on the ceramic, and NGK everywhere else.