Have you pulled and smelled your dipstick? Make sure your mechanical fuel pump hasn't failed and the gas is going in the crankcase.

Also are you sure you're not losing fuel from a leak?

SWEET
Sergeant At Arms: Old Dominion Stovebolt Society
BUNS?!?!?!Where we're going, we don't need no buns.....
1950 GMC 450
1951 Chevy 1/2-Ton
The GreenMachine
In the Stovebolt Gallery