no, the 1T trucks have a set of parallel rails, where the 1/2t and 3/4t trucks are both tapered. The 3/4T truck has a 1/4" higher frame section, however the same taper to the frame until the cab. So with a 3/4T, there is a bit more welding with the gap for the boxing plates.

The 1T frame and larger will require a different solution


The problems we face today can not be addressed at the same level of intelligence we were at when we created them - Albert Einstein Or with the same level of $ - Me