| Six-Gun® Diesel Tuner & Speed-Loader® Calibrated for racing and sport, Six-Gun is a fully engineered diesel tuner with an unmatched combination of power, safety and versatility. It delivers pavement-shredding best gains of +115 hp and +206 lb-ft at the rear wheels; has six change-on-the-fly power levels; is Stacked for Power® to tune pulse width, timing and fuel pressure; and has exclusive AutoRate™ and ActiveSafety® engine and transmission safeguards. When you team up Six-Gun with Speed-Loader, you get temperature-limiting control that safeguards your engine. (Pyrometer gauge highly recommended.) What's more, your best gains will be even better: +138 hp and +231 lb-ft at the rear wheels. Test vehicle: 2003 Ford Extended Cab 2WD F350 Dually Engine: 6.0L Power Stroke Transmission: TorqueShift SR100 5-Speed Automatic Note: Six-Gun and Speed-Loader tests performed with Banks Six-Gun Bundle airflow improvements 
Rear-Wheel Horsepower:
Best gain | 236.2 hp
(3600 rpm) | 374.0 hp
(3600 rpm) | +137.8 hp | 58% more | Rear-Wheel Torque:
Best gain | 455.4 lb-ft (2400 rpm) | 686.7 lb-ft (2400 rpm) | +231.3 lb-ft | 51% more | Rear-Wheel Horsepower:
Peak-to-peak | 268.7 hp
(3200 rpm) | 384.4 hp
(3400 rpm) | +115.7 hp | 43% more | Rear-Wheel Torque:
Peak-to-peak | 467.0 lb-ft (2200 rpm) | 690.6 lb-ft (2000 rpm) | +223.6 lb-ft | 48% more | Acceleration, time:
1/8 mile | 11.21 sec | 9.93 sec | -1.28 sec | 11% quicker | Acceleration, speed:
1/8 mile | 67.9 mph | 77.4 mph | +9.5 mph | 14% faster | Acceleration, time:
1/4 mile | 17.25 sec | 15.28 sec | -1.97 sec | 11% quicker | Acceleration, speed:
1/4 mile | 81.2 mph | 91.2 mph | +10.0 mph | 12% faster | Acceleration, time:
0-60 mph | 10.3 sec | 8.0 secs | -2.3 sec | 22% quicker | Acceleration, distance:
0-60 mph | 524 ft | 336 ft | -188 ft | 36% shorter | | Available Options: | | 62988 Speed Loader upgrade: | | | 
