WOT issue

whenever i punch it WOT the engine hesitates for a sec then boggs down real bad and sounds horrible but easing into it and not immeditly going wot this problem never occurs. I know my engine mounts are bad but iam getting those fixed next week along w/ a walbro 340 could either one of these things be my problem? As in the mounts pull so much timing out form false knockthat the engine will bogg when immeditly going Wot,is my pos stocker pump just not up to par?
Any suggestions would be welcome!!
Just a couple of suggestions, check ground points, also if you still have the bog after the pump and mounts. Look at the fuel injectors.

good luck!