For the record, water is flowing like crazy through the radiator, so it's not the water pump causing the overheat
When I put the brown cap Accel dizzy in mine, every one on here said to keep a spare ignition module with me just in case.
10BTDC is not too far advanced by any stretch. Sorry I haven't followed your other thread closely, but how is the carb jetted? Any chance it's running too lean? It sounds like your trouble comes in when you put a load on the motor so maybe you have a lean condition. You could be getting fuel, but not enough fuel. That would also cause the motor to run hot and get spark knock.
For me the safest way to find TDC is to pull the driver valve cover and watch the rockers. I've also installed distributors 180 out or mixed up a pair of plug wires so many times that I never discount that no matter how careful I think I've been. I would double check all your wires are in the right order.
Is your radiator scaled up? That could also lead to the high engine temp.
Power wire come off ?
X2. I’ve used this method as well to bypass everything else wiring wise in the system.I would take a wire from the batt terminal on the distributor directly to the positive terminal of the battery and see if it starts.
Bypass all the wiring of the truck.
If it cranks up, the dizzy is working.