I always suggest before jumping into big changes first fix up the truck to drive as it is.
Then after driving it for some months or years reevaluate what it is you think the truck needs.

Without a good reference point you don't really know and understand what you should change, if anything, to meet your desires.

Might save time and money if the truck is OK as it is.
Remember it was new once and at that time it was as good as they came.

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-