On this episode of Dirt Every Day presented by 4 Wheel Parts, Fred and Dave build a post apocalyptic 4x4 muscle car - the Mad-Maxxis Off-RoadRunner. Starting with a forgotten 1973 Plymouth Road Runner, they plan to power this one of a kind car by stuffing the next generation Cummins 5.0L V8 turbo diesel crate engine under the rusty hood.  Make no mistake, this is not your standard TRAR build.  This Off-Road Runner will have an Allison Transmission and a beefy transfer case to send that sweet Cummins power to all four Maxxis RAZR MT tires.

Dirt Every Day appears every fourth Tuesday on the Motor Trend channel. http://www.youtube.com/motortrend
 
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