Will PFR7B plugs be too "cool" a grade for my newage WRX?
#1
Will PFR7B plugs be too "cool" a grade for my newage WRX?
As per the title. I have a newage WRX running approx 240bhp. The car is largely standard except its a PPP car and has a cat back 2.5" exhaust. I have bought lots of parts to upgrade very soon - VF35, pink injectors, fuel pump etc. But I'm not doing that just yet....
In the mean time I have also bought some plugs - NGK PFR7B's, with the intention of running these with my 300+bhp setup. However the history of spark plug changes on my car is a bit sketchy to say the least, so I'm tempted to pop them in sooner rather than later. My question is will my car run okay on these plugs in its fairly standard state of engine tune?
Or are these plugs too "cold" a grade for a fairly standard car? I can hold off if need be until I get everything else fitted and the car mapped. But I'd like to put them in asap if possible. Help!
In the mean time I have also bought some plugs - NGK PFR7B's, with the intention of running these with my 300+bhp setup. However the history of spark plug changes on my car is a bit sketchy to say the least, so I'm tempted to pop them in sooner rather than later. My question is will my car run okay on these plugs in its fairly standard state of engine tune?
Or are these plugs too "cold" a grade for a fairly standard car? I can hold off if need be until I get everything else fitted and the car mapped. But I'd like to put them in asap if possible. Help!
#2
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I had these installed on my standard '99 UK turbo (215BHP) and the engine seems to run really well. I also noticed the MPG's went up after having them gapped and fitted along with a service.
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