One Mustang enthusiast over at the Team Shelby website caught the two new Boss 302R’s in the pits at Daytona this past weekend with their hoods up. Sitting between the frame rails was the new race version of Ford’s heralded 5.0–liter engine.

Photo Credit: JeffJ

Not only is the engine architecture new but the intake design looks like some of the modular intakes we’ve seen on fast Mustangs at the drag strip. The engine also has the trademark Variable Cam Timing Sensors on the valve cover. While the VCT system was designed on the street to deliver more power and fuel economy we’re sure Ford Racing engine tuners will be using it to maximize the performance of the engine at high RPMs. Scott Maxwell driving the No.16 Boss 302 R set fastest lap time for the weekend.

From the tag on the valve cover it appears that the motor was built at Fords "prototype-only" engine facility called EMDO (Engine Manufacturing Development Operations) in Allen Park, MI. EMDO typically produces volumes of about 3 to 300 parts per run vs mainstream powertrain production plants that crank out 7 to 800 parts per hour.

Over twenty years ago, Ford crated EMDO and it’s been instrumental in engine testing, design and manufacturing feasibility ever since. EMDO produces engine prototypes for Ford and Mazda. All 300 of the 2000 Cobra R engines were built at EMDO as well as the first versions of the R50 FR500C Cammer engine. Roush-Yates Engines acquired the R50 engine build program in 2007 and continues to handle rebuilds and the Daytona Prototype engine program.

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