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Say what?!

if they have -11 at the end then all you have to do is gap them down to 0.8.

If they are the same heat range as what is required then it makes zero difference!

I have gotten spark plugs that were meant to be gapped at 0.8 but were all over the shop, 0.7 - 1.0 on a batch of six

Far out that's shitty consistency (0.7-1.0).

I was just being lazy.. pregapped is less work. But if they are so variable with the gap then yes you might as well get the 1.1's and gap them down yourself.

So Iv put the new splitfires in turned out the drama was a 10 mm bolt half under the coil yes I should of checked first which I wouldn't think it would be a simple fix but it was $$ who knows what else the previous owner has left me.. ebc is in throw it at the dyno for a safe tune next

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You'll use the splitfires anyway............a step up from OEM and good for extra boost - when you get that bigger turbo and start huffing!!!

And I'm sort of surprised nobody mentioned taping them just to check it wasn't an arc issue???

  • 2 weeks later...

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