9 96darkhorse Founding Member Oct 2, 2001 693 0 16 wilmington, california Nov 30, 2008 #1 Nov 30, 2008 #1 what spark plugs are good for these heads? im getting ready for the big h/c/i swap this fri coming up.
what spark plugs are good for these heads? im getting ready for the big h/c/i swap this fri coming up.
BlownFiveLiter have car, will race....wait, it doesn't run 15 Year Member Nov 29, 1999 3,133 18 108 Chicagoland Nov 30, 2008 #2 Nov 30, 2008 #2 Autolite 3924's, if you're going NA. 3923 if you're planning boost.
Venom351R Founding Member Apr 27, 2002 4,548 41 98 MAINE Nov 30, 2008 #3 Nov 30, 2008 #3 Im running the autolight 3924's in my AFR's w/ a .055 gap.