Bed rails and or cab mounts. If the cab mounts are shot which they probably are the cab would sit lower than normal too. The bed rails are easy to replace though with basic steel tubing, I’ll post up sizes and measurements when I get parked for the day.
I haven’t seen any failures yet, we have several 550s that are hooked to heavy trailers daily and not one failure, all ranging from 21-23 models. I’d be curious to know who’s building these 10 speeds.
Just an idea, but I had similar issues before on a truck, I checked my ebp sensor and the pigtail connection was ripped and had broken wires. Replaced the pigtail and all problems went away.
Not sure where you’re getting all the conversion parts but I went through diesel conversion specialists. I got 100% everything from them to make my swap flawless, even keep my cruise control with no lights on the dash. Should have it done in a couple weeks. Yours will be very nice and won’t have...