Cam Companies *exit stage left*
Thread Starter
Joined: Jun 2004
Posts: 5,125
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From: Alexandria, VA
Cam Companies *exit stage left* http://www.autoblog.com/2008/01/07/c...0-alfa-junior/
From Torquer to Porker in a millisecond. Do want.
From Torquer to Porker in a millisecond. Do want.
Banned
Joined: Oct 2007
Posts: 158
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Cool but not really new technology. Tucker had a system using oil to open the valves but it never hit production due to his difficulties with the legal system and the big 3 trying thier damnest to get rid of him. A working prototype did exist.
Also Fiat is going to release a car with this technology if they haven't all ready.
In the 80's a guy made a "cam" with the ports in the cam it had no other valvetrain parts. Just two "cams" sitting on top of the head. They put it on a stock 350 and it nearly doubled the HP and fuel economy. One of the manufacters bought the patent and it hasn't been seen since. I think it was Chrysler that bought it.
Also Fiat is going to release a car with this technology if they haven't all ready.
In the 80's a guy made a "cam" with the ports in the cam it had no other valvetrain parts. Just two "cams" sitting on top of the head. They put it on a stock 350 and it nearly doubled the HP and fuel economy. One of the manufacters bought the patent and it hasn't been seen since. I think it was Chrysler that bought it.
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In theory, a computer controlled camless valve train opens the door to the best of all worlds as the valve timing events and valve lift can be optimized for most all circumstances . . . in theory.
In practice, developing a durable, reliable, precise valve actuator system that is relatively light weight and affordable is like climbing Mount Everest in shorts and a T shirt . . . virtually impossible and extremely risky! If it were easy, it would have been done fifteen years ago. That being said, I hope that this technology becomes a reality for production engines before hydrocarbon based engines breathe their last breath.
Steve
In practice, developing a durable, reliable, precise valve actuator system that is relatively light weight and affordable is like climbing Mount Everest in shorts and a T shirt . . . virtually impossible and extremely risky! If it were easy, it would have been done fifteen years ago. That being said, I hope that this technology becomes a reality for production engines before hydrocarbon based engines breathe their last breath.
Steve
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F1 has been waiting the perfection and implementation of the 42v electrical systems to start using the same technology.
Itll be a LONG LONG time before this hits a reliable an affordable consumer vehicle.
Itll be a LONG LONG time before this hits a reliable an affordable consumer vehicle.
