If the truck started before you removed the distributor, and now it doesn’t, I would make sure the distributor was re-installed correctly before trying to chase other potential issues. At TDC on the compression stroke, the rotor should point towards the #4 cylinder, which is #1 on the cap for...
Just confirming the rotor was pointed to #1 on the cap (firing order) and not the actual #1 cylinder when you installed the distributor? Rotor should’ve been close to #4 cylinder.