Its only money. Whats the worst case scenario? You end up screwing up and having to buy another? Im always up for doing things at least once, you can never have to much knowledge and you'll have the satisfaction of having done it yourself.

But Im a square-headed Norwegian and have never done that rebuild so Im not speaking from experience.

My 1953 Chevrolet
1947.1 Gallery
1972 C-10 1/2 Ton & 1972 C-30 1 Ton