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4R RX7

4 Rotor RX7 Screams Around Auto Club Speedway

We all know Mazda’s rotary engine is a marvel of unconventionalness. The 13B is one of the most legendary engines of the 20th century. Defined Autoworks has taken the “If some is good more is better” approach to their RX7. Their RX7 does not have the standard 2 rotors of the 13B, it has 4. The end result is a high revving beast of an engine that sounds like nothing else. So crank up the volume and listen to their creation whip around Auto Club Speedway.

About Chad Kennedy

Chad burst from the womb wearing a racing suit and a helmet. Chad's passion for cars is in his very DNA. His father was a gear head and passed on the tradition through owning such classics as a '66 Mustang and a '59 Corvette all while taking him to various race tracks in the area. Chad likes to wrench on his rides whenever possible, forgoing the stealership. Chad is an avid motorsports fan with particular interest in endurance/sports car racing. When not online writing for Shifting Lanes, you can find him working at the local golf course teaching people how to swing or hooning a golf cart at impossible speeds.

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