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Test vehicle: 1992 F-350 supercab dually • 2-wheel drive • axle ratio 4.10:1 • E4OD 4-speed automatic trans.
Horsepower and torque measured at rear wheels.
|Wastegated Sidewinder turbo system||Stock||Banks||Improvement||Results|
|Horsepower, best gain||176 hp (3000 rpm)||260 hp (3000 rpm)||+84 horsepower||48% more (3000 rpm)|
|Torque, best gain||360 lb-ft (1400 rpm)||503 lb-ft (1500 rpm)||+143 lb-ft torque||40% more (1500 rpm)|
|Solo: 0-60 mph acceleration, time*||15.57 sec||9.54 sec||-6.03 sec||39% quicker|
|Solo: 40-60 mph acceleration, time*||7.97 sec||4.74 sec||-3.23 sec||41% quicker|
|Towing: 0-60 mph acceleration, time*||27.3 sec||17.24 sec||-10.06 sec||37% quicker|
|Towing: 40-60 mph acceleration, time*||13.64 sec||8.65 sec||-4.99 sec||37% quicker|
|Towing: 0-60 mph acceleration, distance*||1,507 ft||951 ft||-556 ft||37% less distance|
|Towing: 40-60 mph acceleration, distance*||1,014 ft||644 ft||+370 ft||36% less distance|
|Maximum speed, hill-climb, towing (6% grade)*||47 mph (2nd gear)||72 mph (3rd gear)||+25 mph||53% faster|
|Fuel economy, solo**||22.2 mpg||24.5 mpg||+2.3 mpg||10% better mileage|
|Fuel economy, flat towing**||10.0 mpg||11.5 mpg||+1.5 mpg||15% better mileage|
|Fuel economy, mountain towing**||10.2 mpg||13.2 mpg||+3.0 mpg||29% better mileage|
|Exhaust temperature, mountain towing**||1150°||1050°||-100°||9% lower EGT|
*As tested by Trailer Life magazine. Truck weight with driver and full fuel: 6,580 lbs. Towing weight with trailer: 12,940 lbs.
**As tested by Trailer Boats magazine. Towing weight with boat-trailer: 13,850 lbs.
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