hello everyone i need lots of help i have an 88 K5 that i cant seem to get started and is giving me hell. it starts turns over and quickly shuts off. like i donno if it is fuel or spark. like i shot the vaccum lines with carb cleaner to see if there was a leak im getting fuel, i took off the fuel line to the Throttle body and see that its getting it but how do i know if its enough and what are some other suggestions for trouble shooting????????? im at the point that i wanna just rip the block out and re build it.