have 351. have checked the emergency switch and it is ok. Have disconnected the fuel line at the fuel filter (replaced the fuel filter) and did not get any fuel flow when the key was turned to the on position(did not hear the pump running or the fuel pressure switch shutting off the pump). When the key was turned to the start position, still no flow. It is sounding more and more like I will have to change out the fuel pump. If you have any other suggestions as to what might cause this type of problem, that would be appreciated. I don't have my diagnostic computer with me, nor my manual and I didn't want to replace the pump unless it was the problem. I have almost 30 gallons of gas in the tank and I do not want to drop the tank unless it is the only problem. Any help is appreciated. Thanks