Inspire's new 3.0
07-07-2003, 10:21 PM
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Inspire's new 3.0
Old news I know, however if this is posted somewhere and I did not see it, feel free to delete
(08:30 July 07, 2003)
Honda develops V-6 which cruises on 3 cylinders
By YUZO YAMAGUCHI | Automotive News
TOKYO - Honda Motor Co. has developed a 3.0-liter V-6 engine that can deliver as much as 250 hp when accelerating, or cut back to just three cylinders when cruising.
That flexible performance offers an average fuel economy equivalent to that of a 2.4-liter four-cylinder engine, or 27.3 mpg, under Japan's so-called 10-15 mileage test, which is not directly comparable with fuel-economy tests in other countries.
The new powertrain, using what Honda calls "variable cylinder management," is mounted in the remodeled Inspire sedan, which was introduced June 19 in Japan. Spokesman Masaya Nagai says Honda has no immediate plans to use the technology on models in the United States.
The previous Inspire was the Japan-market version of the U.S.-market Acura TL. The TL is to be remodeled this autumn for the U.S. market. Nagai declined to give a specific reason for not using the new engine in the Acura TL, saying the company was not prepared to disclose details.
In addition to its low fuel consumption, the engine also reduces exhaust emissions, helping the Inspire meet Japan's ultralow emissions and 2012 fuel consumption standards.
To cut emissions, the engine locates high-density catalytic converters directly below each cylinder head for improved gasoline exhaust at low engine temperatures.
The engine also cuts vibration and noise. When operating in three-cylinder mode, engine vibration is reduced by extrapolating vibration from the change in crankshaft rotation speed and sending the information to an active control engine mount, which compresses and extends an actuator in a same-phase, same-period motion to dampen the engine mount.
Similarly, a speaker creates an opposite phase sound or "active noise control," for a canceling effect, thereby leaving the driver unaware of changes in the number of cylinders being used.
By now I think we all know that the 3.0 will not be in the new TL. So much for cylinder deactivation.
(08:30 July 07, 2003)
Honda develops V-6 which cruises on 3 cylinders
By YUZO YAMAGUCHI | Automotive News
TOKYO - Honda Motor Co. has developed a 3.0-liter V-6 engine that can deliver as much as 250 hp when accelerating, or cut back to just three cylinders when cruising.
That flexible performance offers an average fuel economy equivalent to that of a 2.4-liter four-cylinder engine, or 27.3 mpg, under Japan's so-called 10-15 mileage test, which is not directly comparable with fuel-economy tests in other countries.
The new powertrain, using what Honda calls "variable cylinder management," is mounted in the remodeled Inspire sedan, which was introduced June 19 in Japan. Spokesman Masaya Nagai says Honda has no immediate plans to use the technology on models in the United States.
The previous Inspire was the Japan-market version of the U.S.-market Acura TL. The TL is to be remodeled this autumn for the U.S. market. Nagai declined to give a specific reason for not using the new engine in the Acura TL, saying the company was not prepared to disclose details.
In addition to its low fuel consumption, the engine also reduces exhaust emissions, helping the Inspire meet Japan's ultralow emissions and 2012 fuel consumption standards.
To cut emissions, the engine locates high-density catalytic converters directly below each cylinder head for improved gasoline exhaust at low engine temperatures.
The engine also cuts vibration and noise. When operating in three-cylinder mode, engine vibration is reduced by extrapolating vibration from the change in crankshaft rotation speed and sending the information to an active control engine mount, which compresses and extends an actuator in a same-phase, same-period motion to dampen the engine mount.
Similarly, a speaker creates an opposite phase sound or "active noise control," for a canceling effect, thereby leaving the driver unaware of changes in the number of cylinders being used.
By now I think we all know that the 3.0 will not be in the new TL. So much for cylinder deactivation.
07-07-2003, 10:33 PM
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Re: Inspire's new 3.0
Originally posted by Precision Crafted
(08:30 July 07, 2003)
Honda develops V-6 which cruises on 3 cylinders
(08:30 July 07, 2003)
Honda develops V-6 which cruises on 3 cylinders
07-07-2003, 10:39 PM
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it cruises on 3 cylinders... like caddy's old engines or like Mercedes new V12's only cruise with half of their cylinders activated.
improves fuel economy.
when you accelerate the other cylinders spring to life.
improves fuel economy.
when you accelerate the other cylinders spring to life.
07-07-2003, 10:39 PM
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I'm not sure on the tech details, but the inspire 3.0 uses it's i-vtec system in conjunction with other mechanical means to shut down fuel/spark to cylinders when cruising and not in need.
07-08-2003, 12:59 AM
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Originally posted by me2
What about the TSX Type-S? Seems like 3L is a great size and I'm sure could be tuned for performance. Granted they said they're not planning on using it in the US...but whatever.
What about the TSX Type-S? Seems like 3L is a great size and I'm sure could be tuned for performance. Granted they said they're not planning on using it in the US...but whatever.
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