[geunther]

I'm still having a hard time getting the truck to run. When it does run it is very rough. I rebuilt a spare carb, took it apart again just to make sure all was right. Replaced plugs and points. Seems to run decent at times, but only for a shot time, then back to rough. So rough that it frequently dies.

Having no idea what is causing the rough running I checked dwell and timing. Dwell was right on 30degrees with little fluctuation. Timing...well thats a different story. It bounces all over the place, sort of explaining the rough running.

To trouble shoot I removed the distributor 1112047. Date code is December 13, 1971 (1M13). Checking the end play it looks to be about .080. I am unsure if this is too much because I find conflicting specs online. If anyone knows, I would appreciate any input. I may post this question in the general forum as well.

I am hoping this is out of spec and would explain the jumping of the timing mark.