Originally Posted by Cab_Burge
This plug is not to cold tsk
The mixture is to rich though, lean it down a little wrench

Hi, thanks for answer. Im driving Ngk 6 now, the carb is one step leaner with 63-47 metering rod and the original 5hg orange feather,i have 18hg inch vacuum at idle. I get the FBOdistributor working properly now, its running better with that, no misses at idle and a rock steady timing mark, better with vacuum advance for the street. It looks rich, this big Mopar seems to not want so much fuel😃