Things to check: Distributor cap, Plug wires, spark plugs, Ignition coil. On that year this is the most common things that would cause an engine missfire.
yes
yes
timing for 1984 350 is 18436572
Probably a turbo 350.
No it's not.
Yes. It may be bigger but it will bolt on.
Yes but modification will be needed
.035
The 350 cubic inch (5.7 liter) pickup engine was factory-rated at 200 horsepower in 1994.
typically 12-13 degrees above top dead centre Thanks. I will try that. Just to be sure this is for a 350 engine 3/4 T pickup. Perhaps now my mileage will improve.
305(5.0) or 350(5.7) most likely a 350
YES, There the same. NO DIFFERENCE.