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anyone used champion eon plugs in their scoobs???
did a service yesterday and no where could i get ngk's so used champion ones from halfords(only use halfords as got trade card).
7s will be fine though. They are a mild boost/power increase to high boost/big power increase upgrade anyway. Gap them to about 0.65mm and everything should be boodiful. Because they run colder, then can only help anyway! (i.e. if/when combustion temps. start to get marginal).
Plus don't really cost any more than 6s, to boot.
I ran 7s in my old '93 WRX, running 282/273 - no issues. As do I in my 384/349 STi 5. As do many other members on here.