spark plugs
Originally Posted by MadDogWRX
Yes, spark plugs a very good for a `95 wrx import. 
What type of plug? I think you mean.
NGK pfr6b (standard) or pfr7b (slightly modded engine)

What type of plug? I think you mean.
NGK pfr6b (standard) or pfr7b (slightly modded engine)
cheers..
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From: Somewhere in Kent, sniffing some V-Power
Always heard bad things about Iridium plugs. They like to fall apart if the car isn't mapped specifically around them! As I said in a previous post, Jap Mag's 'project 200sx' suffered engine failure due to a HKS Iridium spark plug breaking its tip and then fouling the cylinder/bore. Quite an expensive way to find out that they don't really work!
Any problems seem to have been centered around HKS (Denso) I'm using Blitz iridiums in 7 heat grade (NGK) and they're fine in my STi so far. It seems that, as in most things, a problem with one make tars the rest?
JohnD
JohnD
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