750 Holley or 650 Holley DP carb for 340-4 speed?

I am running a 700 dp on my 340, it is a 4-speed and I switch out between 3.23 and 4.30 gears depending on how I am driving it.
Any of the carbs suggested will work, including the one you have right now, a 3310 is a very nice carb.