hey guys again. 74 W100 69 318 in 74 truck elec. ignition. drove my truck to work and home the other night (80 miles) ran great although still detonating a little. got home, truck idled fine. didnt run the truck yesterday got in it today started it with man. choke in at around 1200 rpms. ran fine warming up, as soon as i kicked off the choke it died. have tried to adjust idle speed, checked fuel filter, plug wires, all the usual suspects. nothing abnormal. although if i unplug the conn. to the dist. and ground it i can hear a clicking but can't tell where it is coming from. could the ecu be the problem? would think it wouldn't run at all if that was the problem. HELP??