[truckdog62563]

What truck are you having donate its front axle? Too modern a truck will have inboard steering geometry that will need to be engineered around. Budd nuts are torqued to 450 to 500 lb ft of dry torque, but decades of inertia and rust could impose near what you suggest. That road service truck, however, would have a 1" drive Chicago Pneumatic that would make short work of them. Stu