The pulse line has to be connected to the engine case port or it won’t pump fuel and no you can’t do it fast enough manually.
Connect all the hoses except the return at the carb. Blow air into the fuel tank check valve with your finger over the return hose, as soon as fuel starts bubbling out of the return fitting on the carb put the return hose on. You have just filled your carbs and primed the fuel system.
Connect all the hoses except the return at the carb. Blow air into the fuel tank check valve with your finger over the return hose, as soon as fuel starts bubbling out of the return fitting on the carb put the return hose on. You have just filled your carbs and primed the fuel system.