Sounds like a nice find. I agree the 235/OD/3.90 combo will make a nice runner.

There's lots of original OD documents copied here. The wiring diagram is for something else but it helped me wire the one I put in my '54.

Read about how it all works and you should have no trouble re-wiring it.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.