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View Full Version : NGK plug gaping


ultamaflow
03-08-2014, 03:17 PM
I'm running stock turbo t28 @ 9 & 10 psi basic bolt on.

I was told to change to bkr7e. I keep seen bkr6e should work out best. Now gaping is where I'm interested. Do I gap @ .25 and climb or start @ .30? I've read people going as low as .15. Where should I start ?