There are a number of 3 speeds that will fit your truck if you are converting to an open driveline. The most common is from 55 through 60. You can also use an overdrive from those years. Later models with the short tail shaft will fit also. Full syncro Saganaw 3 speeds came out in 68 and can also be used. You will have to work out some shifter and driveshaft issues but there are many options. I understand that a kit is available to use a saganaw 3 speed with the torque tube. There are others that can provide that info.
Fred

Last edited by rfs56trk; 03/26/2008 4:00 PM.

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