Accelerator pump or vacuum secondary gasket failure won't make it run rich. Might pop that power valve off and check it out. Did you remember to replace the jets? And tighten them? Did you change jet size?
Probably need to determine which side is getting too much fuel. Remove the engine cover for a trip around the lake with the flame arrestor off and take a careful look down the throat of the carb.
S5 WHEEL PACKAGE - FREE SHIPPING
TWO WHEELS W/ST205/75R14 KENDA TIRES $299
TANDEM AXLE PACKAGE W/205/75R14 KENDA TIRES $599
TWO 5 LUG WHEELS W/ST205/75R15 LRD KENDA TIRES $349 S5 W/BLACK INLAY
TWO 6 LUG WHEELS W/ST225/75R15 LRD KENDA TIRES $359 S5 W/BLACK INLAY
$99 LED LIGHT PACKAGE - FREE SHIPPING
REBUILDING HOLLEY MARINE CARBURETORS - $235 DELIVERED
Email - email@example.com