Steve;
Look At my post;
( The Frankenstine build )
You will need to have your front fenders mounted to the cab to center your front wheels.
You will need to do this to find how thw hood fit to the fenders.
I had my body 2" off the frame, had to raise the front of cab up 1.25 " higher then the rear.
With the cab n fenders mounted you will get an ideal of where the radiator will set.
Just some information I had to work out on my build.
T-P Auto
Tim