It sounds like it may have originally been over filled. Fill 4-5 quarts, then start the truck and then slowly fill up the remaining fluid. This should keep it from leaking from the vent hole.
First thing is to remove and inspect the cap and rotor for the spark grounding through the rotor button. Using a test light, hook the lead to a ground, and test with the key on if the coil has power...
Hi there. I highly doubt that the change to synthetic oil is causing the white smoke. In most cases, this is due to valve guides that are worn down or piston rings that are faulty. It's also common when coolant...