Early Bronco Wild Horses 4x4 Twin Stick Shifter For Dana 20
Twin stick that Bronco Dana 20 behind your 6R80.
Broncos are hot, thanks to the pending release of the all-new 2021 Ford Bronco, and the limited run (1966-1977) of the early Bronco, with iconic styling that is unlike any other. We've been building an early Bronco, a 1969, for a while now, focusing on making it nice, keeping it capable, preserving its history, and making it drivable. Under the hood we opted to go with a more modern version of the original engine, a BluePrint Engines Bronco Edition 306ci. It's a small block Windsor descended from the pushrod 302 that this car came from the factory with. Behind it we chose to run a more modern transmission, the 6R80 from Performance Automatic. It's a six speed originally found in 2009 and up F-150s, Explorers, Mountaineers, and so on. It has a deep first gear and two overdrives, which should make it work well with our low-geared axles, on-road and -off.
For simplicity's sake we decided to run an old-school early Bronco Dana 20 behind the more modern transmission. We'd acquired and rebuilt a Dana 20 T-shift a while back and got the adapters from Advance Adapters to bolt it to the back of the 6R80, but we still lacked any provisions to shift the transfer case from inside the vehicle. That is, until we came across this Twin Stick T-Case Shifter for 6R80 with Bronco Dana 20 from Wild Horses 4x4. This shifter is also very similar to the other twin stick shifters Wild Horses 4x4 offers for early Bronco and the Dana 20, so even if you have a different transmission, some of this info will still probably apply to your project.
Wild Horses 4x4 Twin Stick Parts
Here's what you get from Wild Horses 4x4 with of course the addition of some thorough instructions and a twin stick shifter boot. The kit is pretty simple to install, comes with a ton of stainless hardware, and is only $149.99. That's cheap. The two large holes in the stainless pivot bracket grab two of the bolts where the T-case adapter bolts in place. The two small rod end bars connect the shifter to the T-case control rods. The shifters are made of stainless steel, and the kit comes with ball-style shift knobs with stickers to indicate what shifter does what job. Wild Horses 4x4 also has other shift knob options including some pistol grip shifters if that's what you're in to.
Making Room for the T-Case Shifter
Our Bronco's floor had a few holes cut or chopped into it over the years but unfortunately still didn't line up with where the new twin-stick shifter would reside, so we got out the air body saw and got to trimming. You can just see the front of the T-case adapter peeking through the two smallish rectangular holes in the transmission tunnel cover.
Installing the Shift Canes
With the hole opened up but still able to fit under our transmission tunnel cover, we loosened the two bolts that would hold the shifter in place and wiggled the assembly in place. From here we could test how the shifters moved and check clearance.
Connecting the Shifters to the Dana 20
The next step in the installation involves diving under the Bronco to install these adjustable rod ends. It's pretty straightforward, and we didn't have to make any length adjustments in these rods for the T-case to shift.
Fine-Tuning and Transfer Case Shiftage
Here's the shifter hooked up and the transmission tunnel cover re-installed with our Lokar shifter (for the 6R80) mounted to it. Any final adjustment of the shift canes can be done either with the length of the adjustable rod ends or by heating the canes until they glow red and bending them. You can do this with an oxyacetylene torch, MAP gas, or supposedly with propane.