volsfan4life, man what year so far huh? Big one coming up Sat, hope they're ready, if they are they have a chance.....
re. your fuel sender, That sender will work fine. I've got the same in my 49 Chevy 3100 with a 54 tank. Even though it's a top feed, once the line is primed up to the pump it'll flow on it's own with little effort needed from the pump.
With everything connected up remove the plugs to get the fuel pumped up to the carb 1st, saves wear and tear on the starter and battery. You might disconnect the line at the carb and insert it into a mason jar etc., then spin it to ensure you've got good clean fuel to the carb then reconnect and spin it to fill the float bowl. Then test fire...
Good luck
Dave