Originally Posted by BEAST477
I origanally installed them at 4" from head as per BG instructions was told that was to far and tried them at 1.5". My combo is a 477 BBC ,13.5:1 comp, Merlin iron heads ,1050 Ken Jones Dominator, jetted 96's all around. I run at US 131 in Martin,MI. Thanks for all the responses.
What exactly did the plugs look like ? a 1050 with that jet should be plenty rich enough. What kind of timing ? I've had very similar combo but alum heads.
I also race at 131 here and there, maybe I have seen your car before ?