Check the dimensions in the Factory Assembly Manual. It will give you the required height of things like the hinge bolts among other things above the floor.

Your floor is definitely out of whack. Check the front cab supports. If you still have the cab on the frame, you'll need to raise the front of the cab so the floor can be flat front to back.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.