440 timing pinging and popping thru exaust

START TROUBLE???? sir I think not you obviously aren't reading the entire posts

you obviously aren't READING anybodies posts. otherwise , you would be out "romping" on your 440 with your chevy buddy instead of staring at your distributor going "duh?" and coming here looking for more help when the answers have been handed to you DESPITE all your YEARS of experience in the mopar world