I also noticed some time back that the rails on another 3/4 ton I own are the separated the same distance from front to rear. And the 1/2 ton frames are spread more in the rear than the front.

Nevertheless my graft will be about 10" in front of the lower cab. Aside from the spread are the rails basically the same on the 1/2 ton and 3/4 ton?

Last edited by Trucked Up; 04/24/2012 4:14 PM.