Originally Posted by Truck-man
after letting it warm up for a few min(now running with the choke all the way in) and loosing the gas cap up it seems to run around the block ok

Thanks Again All
-Tim

If it will only run when the choke is in the closed position, I would check for vacuum leaks. The old vacuum lines may be brittle, cracked or missing all together. Block off all holes from the intake manifold and carburetor.