I replaced my laser iridium plugs for NGK copper BKR7E-11. This is one step colder than stock. I gapped my to .32 for now but I know I have heard some people go as low as .28. I have almost the same set up btw. 15g's, safc2, walbro hotwired, 450's.
Originally Posted by Prettyboy
awesome thanks all for the info.. sorry for the delay.. gonna go work on it now and see what i find out haha... Also another real quick question... i upgraded to 15g's and all the supporting a/f upgrades to go with them.. but what spark plugs should i get and what should the gaps be?