JDeereGn,
Welcome to Stovebolt!
Like leonard said "measurements"
a few hints that we learned:
One of the best things we did, we made a drill template for the body mounting holes from the old to the new frame. The bolts dropped right in:
drill templateyou will need to know where the frames are different:
notice the differenceDon't be afraid to try something New, a 16"piece of square tubing welded to a Jack can extended its height for lifting.
Be flexible and adapt to the changes, we had to move our stock motor mounting location back about 5 inches.
And don't be held to a schedule, good luck with your project!