UPDATE:
I replaced the accelerator pump that was in the THC carb that I'm running with one from City Racer (ethanol friendly, with leather around the plunger) yesterday and it seems to be doing MUCH better!! The real test will be a hot day in traffic, or a day on the trails, which seems to be...
The top has to come off of the carb to replace the accelerator pump, right? Can't just disconnect the pump arm linkage and take off the boot and pull it out through the top?
Yeah, it's a Trollhole carb that I won in one of our raffles. It sat for a couple years and we swapped it in. It's odd, because the issue actually started back when I had the stock Aisin carb on the truck. We swapped it out for the THC carb and it seemed better at first, but that may have...