ehuplad
Free Member
Came accross this article and thought others may be intrested in the debate
The latest test data is in, and if there was ever any doubt, the numbers have erased it. The Big Block GM Vortec 8100 is still the finest Class A gas motor home engine
"Superior displacement and engineering is still the key," said John Buttrey, Workhorse vice president of engineering for Workhorse. "The Big-Block Chevy Vortec remains best in class in all the areas retail customers really care about."
Recent tests showed a Vortec-powered motor home 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 Workhorse's W22 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 at the same 22,000 lb. GVWR. 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. 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 rpm 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," said Buttrey.
That's no accident, but a great engineering combination, said Buttrey. He, explained, "Horsepower at the fly-wheel is what is typically quoted on engine power. We at Workhorse understand that the key driver of performance is how much of the horsepower actually gets to the rear wheels. That's where the combination of Workhorse, Vortec and Allison makes a real difference."
"We want our customers to know that they can safely use their motor home as they intended. They can get up to speed and pass slower moving vehicles without any worries," said Bob Wert, vice president of sales, marketing and product planning for Workhorse. "The Vortec, coupled with the Allison transmission, provides the bragging rights for the best performing gas motor home out there."
"Power and performance is what Workhorse is known for, and these new facts cement that reputation further. That the top ten RV dealers in the country averaged 79 percent of their Class A gas motor home sales with a Workhorse chassis shows that customers want that kind of value."
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.
Key metrics customers care about the most:
Metric -- Workhorse / Ford / Improvement
0-60 mph -- towing 31.5 34.1 8.3%
40-60 mph -- merging 14.3 16.0 11.8%
50-70 mph -- passing 20.2 22.8 12.9%
Fuel Mileage -- (mpg) 8.8 8.5 3.5%
Noise -- 80 db 83 db 3 db
The latest test data is in, and if there was ever any doubt, the numbers have erased it. The Big Block GM Vortec 8100 is still the finest Class A gas motor home engine
"Superior displacement and engineering is still the key," said John Buttrey, Workhorse vice president of engineering for Workhorse. "The Big-Block Chevy Vortec remains best in class in all the areas retail customers really care about."
Recent tests showed a Vortec-powered motor home 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 Workhorse's W22 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 at the same 22,000 lb. GVWR. 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. 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 rpm 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," said Buttrey.
That's no accident, but a great engineering combination, said Buttrey. He, explained, "Horsepower at the fly-wheel is what is typically quoted on engine power. We at Workhorse understand that the key driver of performance is how much of the horsepower actually gets to the rear wheels. That's where the combination of Workhorse, Vortec and Allison makes a real difference."
"We want our customers to know that they can safely use their motor home as they intended. They can get up to speed and pass slower moving vehicles without any worries," said Bob Wert, vice president of sales, marketing and product planning for Workhorse. "The Vortec, coupled with the Allison transmission, provides the bragging rights for the best performing gas motor home out there."
"Power and performance is what Workhorse is known for, and these new facts cement that reputation further. That the top ten RV dealers in the country averaged 79 percent of their Class A gas motor home sales with a Workhorse chassis shows that customers want that kind of value."
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.
Key metrics customers care about the most:
Metric -- Workhorse / Ford / Improvement
0-60 mph -- towing 31.5 34.1 8.3%
40-60 mph -- merging 14.3 16.0 11.8%
50-70 mph -- passing 20.2 22.8 12.9%
Fuel Mileage -- (mpg) 8.8 8.5 3.5%
Noise -- 80 db 83 db 3 db
oh:
