Different people like different drivetrains. There are rear-wheel-drive elitists, front-wheel drive enthusiasts (for some reason)—and of course, all-wheel drive loyalists. The latter group usually enjoys vehicles from brands like Subaru, Audi, or 4x4s from various car manufacturers. So, what happens if you like rear-wheel drive cars but you prefer all-wheel drive? The making of this all-wheel-drive Ford Mustang happened.
The host of the YouTube channel No Production Value Garage is an all-wheel-drive enthusiast who is currently turning a rear-drive 2017 Ford Mustang GT into a machine that is expected to burn all four tires. Perhaps the most surprising part of all of these projects is that they seem pretty easy. At least so far.
The brains behind making it say he picked up the pony car in the fall of 2019 with the intention of turning it into all-wheel drive, but he had actually traveled several thousand miles on it before making the swap. Since the project started, many parts have been taken from all over to make the swap work. The transmission itself is a six-speed TR6060, which is used in a variety of cars from the deceased Dodge Viper to the new Cadillac CT5-V Blackwing and its smaller CT4 sibling. It comes from the popular T56, and has been in the muscle car world for over a decade. Because of that, a lot of cars have used it—the build in question got its transmission from a Dodge Challenger—and there’s a lot of parts that would be bolted on to make the swap work easier.
In this case, the front cover has been swapped out for one from the Tremec Magnum XL, which is another transmission the company makes. It was added to get a normal bolt throw bearing, an item essential to making the swap work. Likewise, the tail housing of the Corvette C5/C6 has been supplied due to its compact size—the stock tail housing has mounting points that would seem too distracting to the Mustang’s factory sheet metal. The housing had to be modified by Texas Drivetrain Performance to work, but it worked.
The all-important transfer case is the Dodge Charger-sourced BorgWarner 4440 with Hemi V8. It is matched to a modified Corvette tail housing using a special mounting plate and will send power to the front differential via a half axle running down the passenger side of the Mustang. The exact type of differential to be used has not been determined, but the transfer case 4440 was chosen specifically for the location of its passenger side output shaft.
This setup benefits from as little disruption to the car’s mechanical systems as possible, and seeing as much is going on on the driver’s side, cutting through the floor and other areas on the passenger side of the car seems like a safer bet.
The real secret sauce here is the TR6060’s main shaft. I think I’m actually more excited about the transmission main shaft and how it works than anything else. See, for some possibly well thought out engineering reasons, the GT500 sourced axle used in this particular setup has some unworked flat areas at the tail end. In the GT500 application, they are not used for anything. In this case, two of them are the perfect size and location to become a vital mechanical feature. It’s perfect for cutting splines to fit transfer boxes and sealing the main shaft with its new best friend, the modified Corvette tail housing. Some real good karma occurs with this main axis.
To top it all off, the car has the usual Tremec Magnum bell housing to match it with the 5.0-liter Coyote V8. According to the video, the project is expected to be completed within six months, which may not actually be an overly optimistic timeframe. The hosts had previously converted the Merkur XR4Ti to all-wheel drive, which seems like a very similar project. Having done this before, it seemed like it was only a matter of time before he had the S550′ Handlebar turning all four tires.
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