I've got a 99 F550 that I set up as a dual purpose work truck. IT will haul my carlton 8018 on the bed for stump grinding. I will also use it for hauling hay bales,(25,000 lbs at a time). I've been hauling a few loads of hay and wish I had a few more HP for hills and getting up to speed. I'd like to try a used craigslist programmer with a safe tow mode. I'm looking at the older superchips. Anyone using them? Thanks.