Right now I'm running NGK BR7EF at .025 gap, in the combo in my sig. I think they're too hot still. Pings as soon as I get into boost. Tried timing and fuel every which way, in the DFI. What plugs do you guys suggest?

Thanks, Chris

 

How much boost are you running and how much power is it making? Where is the timing at? How much compression?

 

comp 9.4 tried timing from 20 down to 10, pings as soon as I get into boost quick. I'd like to push about 16psi.