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Originally Posted by bluemax_1
I'm using the Denso iridium plugs and like them. IMHO, iridiums are definitely better than Platinum plugs.
As far as getting knock, do you have a thread somewhere that details what your problems are eg. datalogs that show where the knock occurs while logging rpms, O2, knock, TPS etc.? Knock could be due to lots of things but one of the first things to try to rule out is phantom knock caused by things like worn motor mounts or a nut/bolt that was accidentally dropped in the vicinity of the knock sensor/lower intake plenum.
Can 13g's hold 17psi to redline? I didn't think they did well at higher than 15psi in the higher rpms.
Max
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No, I dont have any logs posted....Ive never learned how to transfer to excel or anything....all I can say is everytime I get it the WB is reading rich if anything...the 13Gs should hold that to redline....close if not....its been a while since Ive tried to be honest, but if everythings buttoned up tight I think they will...
I know going from 7 degrees to 4 degrees base timing helped alot, but its still there....probably more of a fuel issue than anything...even though its supposed to be 92, who really knows..I think my next step is to change plugs...if that doesnt do it, lower timing to 3 degrees ??