From Road & Track
We've seen some pretty weird engine swaps, but this one stands out. It's a 2004 Mazda RX-8 that's had its original 1.3-liter twin-rotor engine replaced with a 5.0-liter Ford straight-six from a 1991 F-150. It's certainly something.
The RX-8's rotary has a number of mechanical shortcomings, so engine swaps for the car are popular. But we've never seen someone fit a truck engine originally designed in the 1960s into an RX-8, and it makes for one hell of a sight. The intake manifold sticks out well above the hood line, as does the oversized radiator. The sheer weight of the cast-iron block seems to be putting a lot of stress on the front suspension, giving the car a rake from front to rear. Power gets to the rear wheels via a five-speed manual gearbox and a welded differential. According to the owner, who listed this oddball for sale on Facebook, it runs and drives, but needs tie-rod end links, a fuel-pressure regulator, headlights, and taillights.
The interior was totally stripped by the previous owner, save for the seats, door cards, and steering wheel. Some add-ons include a new starter, a new fuse panel, a new starter, and gauges for the fuel level, water temperature, engine RPM, and oil pressure.
While it's not the engine we'd swap into the RX-8, you have to respect the creativity. Plus, this powertrain will likely be far more reliable than the stock motor, so you don't have to worry about some catastrophic failure. Check it out here on Facebook Marketplace in Minneapolis, Minnesota, where it has an asking price of $1400.
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