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COMP Cams® Plays Host to Second Annual Mopar Muscle Engine Challenge

Eight 500-inch Mopar engines take on the COMP Cams® dyno in a fight to make major horsepower and torque while balancing the budget

COMP Cams® once again played host to the biggest Chrysler engine contest of the year: the Mopar Muscle Engine Challenge. With eight 500-inch “RB” wedge engines strapping onto the dyno at COMP Cams® R&D lab in Memphis, TN, these engine builders focused on making maximum horsepower and torque numbers between 3,000 and 7,000 rpm running on 93 octane fuel. Taking top honors with the highest horsepower numbers were Rich Nedbal and Dave Timmons of Mopar Engines West, from Newark, CA, with their impressive wedge engine cranking out 761 horsepower.

While Rich Nedbal and Dave Timmons of Mopar Engines West celebrated their impressive horsepower numbers, the Challenge title goes to the engine that, after adding the top hp and torque figures and then dividing by the total cost of parts purchased to build the engine, achieves the highest total. “For our second year of the Mopar Muscle Challenge, our eight participants showed us why they are the people that enthusiasts need to call when they are looking for horsepower. All of the engines posted serious numbers, giving enthusiast engine builders a variety of choices when looking for an RB-based engine,” stated Mopar Muscle editor Randy Bolig.

For final results and more information about the COMP Cams®-hosted Mopar Muscle Engine Challenge, visit or click here for a direct link. For information about any COMP Cams® related topics and products, call us at 1-800-999-0853, or visit us online at



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