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Whipple S197 Mustang Drag Races Roush S550 Mustang, Both Run 9s

Whipple S197 Mustang Drag Races Roush S550 Mustang 10 photos
Photo: Drag Racing and Car Stuff on YouTube
Ford Mustang GT California Special on 20" Vossen HF-5 WheelsFord Mustang GT California Special on 20" Vossen HF-5 WheelsFord Mustang GT California Special on 20" Vossen HF-5 WheelsFord Mustang GT California Special on 20" Vossen HF-5 WheelsFord Mustang GT California Special on 20" Vossen HF-5 WheelsFord Mustang GT California Special on 20" Vossen HF-5 WheelsFord Mustang GT California Special on 20" Vossen HF-5 WheelsFord Mustang GT California Special on 20" Vossen HF-5 WheelsFord Mustang GT California Special on 20" Vossen HF-5 Wheels
The curvaceous SN95 alienated a handful of Mustang enthusiasts, but the Blue Oval made amends with the introduction of the S197 for the 2005 model year. Ford has also wowed customers with the Coyote from the 2011 model year, a V8 that continues to power Mustangs and F-150s.
Bo Webb’s car is one of the coolest Coyote-powered examples out there, and his pony car has grown a set of extra muscles in the guise of a 2.9-liter supercharger from Whipple. The bolt-on upgrade is much obliged to help the engine develop about 700 horsepower at 8.5 pounds per square inch of boost with 91-octane gas, which is why Bo fitted beefier tires to his GT/CS.

In addition to drag radials, a massive air intake system and a General Motors TH 400 automatic transmission enable nine-second runs on the quarter-mile. Be that as it may, the Grabber Blue-painted fastback couldn’t fend off a Roush S550 Mustang because of a sluggish launch. Bo crossed the finish line in 9.961 seconds at 145.17 miles per hour (233.6 kilometers per hour), 0.326 seconds and 3.29 mph (5.29 kph) behind the IRS-equipped adversary.

The Phase 1 supercharger kit from Roush isn’t as large as Whipple’s blower, but it’s similarly potent at 700 horsepower as long as you set up the boost at 12 pounds per square inch. The Roush blower is a little on the expensive side as well at $7,905 including shipping while the race-proven Gen 3 Whipple has been superseded by the fifth-generation supercharging system.

While on the subject of boosted V8s, the GT500 holds a special place in the Mustang pantheon because of the Predator engine with a Roots-type blower. Rated at 760 horsepower and 625 pound-feet (847 Nm) of torque, the GT500 shoots to 60 miles per hour (97 kilometers per hour) in 3.3 seconds and obliterates the quarter-mile in 10.7 seconds on street-legal rubber.

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Editor's note: Vossen-wheeled S550 GT/CS pictured in the gallery.

About the author: Mircea Panait
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After a 1:43 scale model of a Ferrari 250 GTO sparked Mircea's interest for cars when he was a kid, an early internship at Top Gear sealed his career path. He's most interested in muscle cars and American trucks, but he takes a passing interest in quirky kei cars as well.
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