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fitted em an just been out for a blast, no major improvement obviously but i definitely think these are the best plugs i have used and are better than the super 4s i had in previously
my search for the best plug for my car is over, just buy these from now on
Ill give them a try next time... theyve worked out cheaper for you than the bog standard champion ones I got at the weekend.
The ones I took out of mine were shot to pieces like I said...hardly any electrode left.
These new ones have been like a breath of fresh air... its started to pull much nicer in gear even from low in the power band.
I think the moral of the story is keep your plugs in decent nick or your performance slowly slips away without you noticing, one thing is for certain though.. big power gains from a set of posh plugs is a load of old cobblers.
Now for the replacement filter and the beast will be chewing up corners like new...
well with the Super 4s Ben that i had in before, id get slight hesitation when changing gear or from a standing start, never thought that would be down to the plugs, but since i put those in its stopped, i know about multi electode plugs hampering the flame so maybe thats what that was ?