The redesigned Toyota Corolla, due to be launched in Japan this fall, is expected to be powered by the first in a family of new four-cylinder gasoline engines.
Toyota says its new 1.8-liter engine will be cleaner, more efficient and more powerful than its predecessor.
For example, Toyota says the engine will offer at least a 5 percent improvement in fuel efficiency compared to conventional engines.
Toyota builds 1 million of the current engines a year in plants around the globe. The new 1.8-liter engine will be the first in a family of engines that will range from 1.6 to 3.0 liters.
To raise fuel efficiency and cut emissions, the new engine uses Toyota's variable valve timing for both intake and output strokes -- known as Dual VVT-i -- and ultralight pistons. It also reduces friction by using roller bearings in the rocker arms.
To make the engine smaller and lighter, Toyota used a modular front section of the engine, which incorporates the water pump and chain cover. Aisin Seiki supplies the module.
Toyota also used smaller-diameter spark plugs to reduce engine size.
The engine will be built at Toyota's Shimoyama engine plant in Miyoshi, near Toyota City. Currently the plant manufactures 1.8-, 2.4- and 3.5-liter gasoline engines; a 3.0-liter diesel engine; and emission-control devices.
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DUAL V-TEC JUST KICKED IN YO
na but really sounds like a good idea, toyota seems to always produce engines with great fuel millage but just seem to always lack a little in the power department
why cant we get a diesel tacoma or something?
^Emissions and the stereotypes that is still out there about diesels will be hard to convince N-A market.
Personally, I love diesels and their potential.
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97cavy22 wrote:DUAL V-TEC JUST KICKED IN YO
na but really sounds like a good idea, toyota seems to always produce engines with great fuel millage but just seem to always lack a little in the power department
power does not allow for fuel economy when it's a 4 cylinder in question.
R.I.P. Brian St.Germain
i love toyota engines. my 83 celica got 29 MPG, my wifes 98 corolla gets 33 MPG(mixed), and my mom's 05 camry gets 30 MPG (4cyl). my next vehicle will definately be a toyota...
GO PATS!!!
Toyota made a name for itself by making dependable cars for a really long time for an affordable price, but the mechanic in me hears something like "Toyota used a modular front section of the engine, which incorporates the water pump and chain cover.", I think mechanical nightmare. But, hey, I have never seen it, nor am I in a position to make a comment about it. Just a gut feeling.
Team GREEN
Suspension Division - "Handling Before Horsepower"
Making the turns since 1999
1998 EK Civic Hatch - Yes, it's a Honda.
It would be a whole lot better if they brought an 8th generation Celica, AWD, with a newly designed 3SGTE. Bring the GTFOUR name back. That would be awesome. As far as the dual VVT, this is not new. They used this design in the late 90s in the BEAMS 3SGE used in Toyota Altezzas.
Toyota pride world wide.
"Turbochargers were for people who can't build engines"
- Keith Duckworth, Father of the Cosworth V8. Winningest motor in F1 history
RaiLS wrote:Toyota made a name for itself by making dependable cars for a really long time for an affordable price, but the mechanic in me hears something like "Toyota used a modular front section of the engine, which incorporates the water pump and chain cover.", I think mechanical nightmare. But, hey, I have never seen it, nor am I in a position to make a comment about it. Just a gut feeling.
Isn't that weird. I thought the same thing. because isn't the internal water pump in the 2.4 LD9's from the 3rd gen Z24's the same thing? or roughly the same idea? And if so, when those go it's a small fortune to fix.
"Formerly known as Jammit - JBO member since 1998" JBOM | CSS.net
