2020 GMC
Well maybe the truck builders are finally listening to the RV crowd for a change: Just got a brochure on the 2020 GMC HD trucks. 1. They have finally made the bed rails lower 2. They have a ...
Forum Discussion
The fulcrum is where the tire meets the road. It makes no difference where the springs bolt to the frame. If the axle moves relative to the hitch while it is loaded then the distance from the pin to axle as well as the wheel base will change slightly. So to be 100% accurate the measurements would be taken with the load on the pin. Loading the truck isn't going to change these dimensions a whole lot. For instance I'm certain the axle is not going to move forward relative to the frame three and a half inches when the springs are loaded, which is what would be necessary for the load to lift 100 lbs off the front axle.
