You've clearly never found yourself unable to stop a towed load before. If the truck is rated 23,000 you are probably fine stopping it from any speed the stock motor will achive. But I say that assuming your brakes are in tip top shape.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more... It's true. I really don't do anything but browse the Internet looking for trouble...