Surging big block

[Eric]

I am amazed that nobody replied to this...OH,nevermind..just noticed this was your only posting and you will probably never read this. But just in case someone else has had this issue, I will share my thoughts. It sounds simple, the carb is starving for fuel wether the lines are too small/too much rubber before the pump(collapsing) or the pump is not putting out enough fuel. Crickets resume ......