New build 350 (50 miles), new Holley 670 Street Avenger, and stock distributor with electronic module. Timing at idle set around 20 degrees and 36 degrees at 2200 rpms (VA disconnected). Set engine to idle around 900 rpms (4 speed), it idles fine sometimes but rough and dies other times. Normal driving, come to a stop light gear down and push in the clutch and engine dies, throttle response is good though. Other issue I notice is when car is at crusing speed it seems to have a surge, not a miss. Car runs very good under increased throttle but has an issue at idle and cruising. Seems this began after installing the electron module for the points. Maybe I should reinstall the distributor with the points and see if it does the same thing. Maybe a sign to get an MSD. Any thoughts on whether it is ignition or carb?