plugs 1 5 8 reading well...

[tarvin890]

just right to me, same heat range on new plugs? 400 modified engine...msd system...

 

[tarvin890]

what about autolite copper core plugs....? thoughts?

 

[tarvin890]

i will consult myself on my own thread.... those look good, change them out to copper core resistor autolites, per MSD recommendations....

 

[crackedback]

It's fat as heck down low or at idle.

 

[Bad Sport]

i will consult myself on my own thread.... those look good, change them out to copper core resistor autolites, per MSD recommendations....

lol

 

[tarvin890]

It's fat as heck down low or at idle.

AHHH GOOD EYE, i DO HAVE A IN GEAR IDLE ISSUE.... EDDY 1407 750CFM NO MODS, DUAL PLANE ALUM WITH 1 IN WOOD SPACER THOUGHTS ON THE RICH ISSUE? MILD BUILD .509 CAM ETC 400 CID

 

[tarvin890]

i CHANGED FROM CHAMPION 12 TO AUTOLITE 85......PICS ARE THE CHAMPIONS...

 

[thesiren74]

What's your ignition timing ?