1977 Chevy K10 400SB w/86K miles. Started up this morning with a couple pumps and then died after about 30 seconds. Won't start up again. Yesterday I was idling the truck in the driveway while it warmed up and it died on me. I was able to get it going again after a couple tries and drove to the store and back. That was the last time it ran until this morning. I checked the plugs and distributor, everything there is working. The engine cranks and cranks but will not fire. I had someone pump the pedal while i looked into the carb and saw no evidence of fuel pumping in. Pulled the fuel line and had someone crank the engine, no fuel came out. There is a full tank of fuel, btw. So, my thinking is fuel pump must have died. I'm on my way to purchase a new one now, but I wanted to put this up in case someone had an idea before i went through the work of replacing it. Thanks!