89 yj rebuilt 4.2 new fuel pump sending unit and carb, 45 is top speed will not go any fast fills like its being fuel deprived any thoughts

[bowens01999]

89 yj new fuel tank sending unit carb pumpvand rebuilt 4.2 motor top speed is 40 mph fills like its got a million tons on the back any thoughts

 

[Flyer58]

Do you have a fuel pressure test kit? The fuel pressure should be between 3.5 to 5 pounds. Any more and it will flood the carb and run like you describe.
If you don't have a pressure test kit, you can probably find a free loaner from an auto parts store like AutoZone.