Did you remove the line at the carbs to see if it is pushing at all? The reason I ask is that there are two different paths to take if there is a small push vs. a "no push" situation. If there is a small push, you certainly have power, but possibly have a block in the line or in the pickup. (You can remove the line at the pump and place on a small clean line into a can to see if it pushes quicker, which tells you there's a problem with the line.)
If you have absolutely no fuel -- you might have a wiring or fuse problem. It also might be a bad new pump (it happens!) Finally, it might still be completely blocked inside the tank.
Oh, and a third idea -- make dang certain the tank has ample gas in it. If the car is on enough of a slope with too little gas, you won't get fuel.
Sam Barer
Automotive Journalist,
"Sound Classics" Collector Car Column &
"Four Wheel Drift" Automotive Blog'60 TR3,'86 Ferrari 328 GTS,'91 Miata,'02 Corvette Conv.