Corvette or Shelby? Two Takes on Modified American Muscle Enter the Ultimate Track Car Challenge

Comparing a C6 Corvette Z06 to a S550 Mustang GT350 might be like comparing apples to oranges, but consider this: Both pack some serious American muscle from the factory and both are represented in our growing field for the Tire Rack Ultimate Track Car Challenge Presented by Grassroots Motorsports.

In one corner is Brian Collins’ 2017 Ford Mustang GT350 (lead photo). Instead of going for a more powerful engine, Brian simply found a way to force in more air via a larger Whipple supercharger. In total, the Mustang is good for 798 horsepower.

In the other corner, we have Tracy Gaudu’s 2008 Chevrolet Corvette Z06. The standout modification on the list? A built LS7 powerplant from Lingenfelter that puts down a healthy 550 horsepower. Other mods include a front splitter, rear wing, adjustable shocks and–new for this year–bigger brakes.

View these cars, along with the rest of the field, on the accepted entries page.

If you think you have what it takes to win, enter your car here.

The 2022 UTCC returns to Virginia International Raceway May 13-14 in the center of NASA’s HyperFest weekend.

The Tire Rack Ultimate Track Car Challenge is presented by Grassroots Motorsports in association with Wilwood Engineering, CRC Industries, DeatschWerks, HP Tuners, SPA Technique and Volkswagen, with trophies from BimmerWorld, XS Power Batteries, Sensor Connection, Track Advantage and Stifflers.