UNION CITY, IN., November 29, 2005
"” If you want performance, Workhorse has the chassis, the engine AND the data. Test results show that that bigger is indeed better. That is, the Big Block GM Vortec™ 8100 is still the finest Class A gas motor home engine on the road. When combined with Workhorse SmartChassis™ engineering, GM's Vortec engine outperforms the competition in key traffic situations.
Earlier this year, Workhorse conducted an apples-to-apples test at the Bosch Proving Grounds in South Bend, Ind. A motor home built on the Ford chassis was run against the same model
with the same GVWR (22,000 lbs.) built on the Workhorse chassis.
Workhorse's W22 Vortec-powered motor home was quicker in 40 to 60 mph acceleration, important in merging onto an Interstate, and in 50 to 70 mph acceleration for highway passing. In the 40-60 mph test, it took a motor home on Vortec-powered chassis 14.3 seconds versus 16 seconds for the same model motor home on Ford's F53 chassis powered by the new Triton engine. In the 50 to 70 mph test, the Vortec-powered motor home performed even better, reaching 70 mph in 20.2 seconds versus 22.8 seconds for the Triton-powered model.
Also, in a 0 to 60 mph acceleration test towing a 4,000 lb trailer, the Vortec-powered coach came out significantly ahead, clocking 31.5 seconds versus 34.1 seconds for the Triton-powered vehicle. And, this clearly superior performance was achieved with better gas mileage: 8.8 mpg for the Vortec. versus 8.5 mpg for the new Triton.
Finally, the big block Vortec-powered motor home performed all of these feats at lower rpms and ran significantly quieter
, measuring 3 decibels lower than the Triton-powered coach. The Ford unit peaked at 47 percent higher sound pressure than the Vortec during full throttle 0 to 60 runs.
"The superior displacement of the Big-Block Chevy Vortec combined with Workhorse engineering is still the key to giving customers what they care about,"¯ said Bob Wert, Workhorse vice president of sales, marketing and product planning.
Horsepower at the fly-wheel is what is typically quoted on engine power. But the important driver of performance is how much of the horsepower actually gets to the rear wheels. That's where the combination of the Workhorse chassis, Vortec engine and Allison transmission makes a real difference.
Specializing in the manufacture of chassis for motor homes, walk-in trucks and buses, as well as integrated walk-in trucks, Workhorse Custom Chassis is ISO 9001 certified and considered a leader in the motor home and walk-in truck industries. For more information call toll-free 877-294-6773 or visit Workhorse.com
Mertic Workhorse Ford Improvement
0-60mph(tow) 31.5sec 34.1sec 8.3%
40-60mph(merge) 14.3sec 16.0sec 11.8%
50-70mph(pass) 20.2sec 22.8sec 12.9%
Fuel mileage (MPG) 8.8 8.5 3.5%
Noise 80db 83db 3db