Steve,
I also vote for retaining the OD. You stated that you were going to have the OD reworked... What is it doing and/or not doing? Be aware that most OD problems are electrical. You can have it rebuilt and still not work if the electrical system is messed up.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine