Locked & Reloaded—Steeda’s record-setting Silver Bullet S550 shoots for lower elapsed times with Edelbrock boost

Written By Steve Turner Photography by Kevin DiOssi and courtesy of Steeda For followers of 2015+ Mustang quarter-mile performance, particularly the naturally aspirated variety, Steeda’s Silver Bullet is the pony car shot heard ’round the world. Saddled with the mission of proving the company’s aftermarket upgrades on the quarter-mile, this car quickly

Harrop Engineering’s 7.3-liter Godzilla hits 1,000HP!

We recently talked about Harrop Engineering's Godzilla 7.3-liter truck engine build and dyno test, and part 1 of the build series concluded with Ford's latest HD truck engine churning out 803 horsepower and 789 lb-ft of torque with 11 psi of boost pressure from a pre-production, TVS 2650-based, Harrop Engineering supercharger complemented