I suggest you talk to ABS, they are on Lemon St. near the Orange traffic circle. They do a lot of these conversions and also sell the parts. I installed a Toyota unit in my 56 and have done other TF trucks and Fords but not sure what will work in a 38.
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