spark plug type and gap

[GlennSullivan]

Originally Posted by 86lxnotch

itll be dynoed eventually BUT i have alot to do before then. im just tryin to get it running so i can drive on/off the trailer for the carshow. i have to get/make the coldside and get a crank trigger still. finish alt mount and finish up the cooling system......this is only a temp thing lol

I ran 3924's gapped at .030 for 5 years with no issues making 575 to 625 RWHP @15psi. I have run 3923's for the last 2 years gapped at .030 making 712 RWHP @ 17-18 psi.

[rdrunnr]

I've always run 3923's also gapped anywhere from .025 - .030.