it is May 15th and yesterday i went out with my dad to try and start the truck again. we replaced the fuel pump, distributer cap and rotor, and spark plugs before trying to start the suburban. after jumping the trucks battery we were able to start it but it died as soon as it went to idle. i had heard from one of my college buddies who owns a 93 gmc jimmy that the MAP sensor might be bad, so i pulled off the vacuum line going from the MAP sensor to the intake manifold and started the truck again. It idled just fine and didn't die. i went to NAPA Auto Parts and bought a new MAP sensor and plugged it in. after the truck was running we sea foamed the gas tank and throttle body and everything seems to be alright. idle is still kinda rough, so i pulled off the only other vacuum line going to the throttle bodywhich leads to the EGR Valve and Solenoid. i think they might be another problem causing the rough idle. i will be testing those soon with a vacuum pump to see if either of them need to be replaced. thanks again for all the help.
