Granite City Performance

custom engineered competition components
Saint Cloud, Minnesota, USA

Why Use an Engine Dyno Simulation?

  1. Camshaft specifications are too confusing!
  2. A real dyno test is too expensive or inaccessible.
  3. Eliminate the guesswork and find the best combination of performance parts.
  4. Know exactly what kind of horsepower and torque you’re going to get.
  5. Highly accurate results at low cost.

1/8 and 1/4 Mile Drag Race Simulation

The most advanced vehicle dynamics drag-racing simulation that precisely simulates the actual forces that act on a vehicle as it accelerates from a standing start, through the gears and to the finish line.

Professional Cam Selection Software

Using your engine specifications, get a detailed list of recommended camshafts and valvetrain components, including torque-converter stall speed recommendations.

Holley. The New Standard In EFI!

  • Holley’s HP ECU is standard equipment on the 2013/2014 Chevrolet COPO Camaro.
  • Holley’s EFI throttle body powers every NASCAR Sprint Cup Series team.
  • Tom Bailey set three new records and took the overall event win on the 2013 Hot Rod Magazine Drag Week.
  • John Scali won the 2013 JEGS All-Star race.
  • Dave Lane who used Holley EFI to power the 2013 Goodguys Hot Rod of the Year.
  • Steve Morris uses Holley EFI to build some of the baddest forced induction beasts on the planet.
  • It’s the easiest, most refined, feature-rich system that money can buy.

320 Street Cars is dedicated to the car community in the Saint Cloud and surrounding area, formed with the intent to unite local car clubs, tracks, enthusiasts and services to support our hobby!