Tag Archive: Diesel dyno competition, diesel racing, spotlight, Ultimate Callout Challenge
This Is The Ultimate Call Out Challenge! We’re Talking 3,000 Horsepower Diesel Trucks Battling It Out For Bragging Rights And More!
The 2026 Ultimate Callout Challenge was epic. The meanest, nastiest, and most no-holds barred diesel trucks in the country gathered in Indy to do battle on the dyno rollers, on the drag strip, and...