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MinisterofDOOM wrote:I can see it being beneficial in a couple of places, but not anywhere near beneficial enough that it's worth the added complexity.
The LS has a really nonlinear electronic throttle. I need to stop by the Ford dealer and ask them if there's a reprogram for it like there was for some of the early Nissan ones.
There isn't THAT much added complexity...in fact...it get's rid of all those wires and in some cases (such as Porsche) that is a boon indeed. A sensor and a motor, along with additional programming is all that's needed.
With that...you get a host of improvements over a mechanical throttle. It's now integrated with the car's other systems that help in situations like losing traction in the snow and depending on the amount of nanny-ing it reacts faster and more efficiently than even your positronic brain could conceive MoD.
No more mechanical failures...binding, springs failing and causing the engine to rev till kingdom come, noise, etc. Sure there will be failures of the sensor/motor combo but with minimal moving parts it will be certainly less.
Here's the big problem with them though. From the factory they are programmed on the conservative side. For instance our 04 Cooper S had a weird tip-in throttle issue, it bucked a little when shifting, and just plain felt disconnected. AFTER A REFLASH...it was like a whole new car...shifts were smooth, there was instant throttle response, and there was no more "wobbliness" in the throttle. So definitely look into that reprogram mod...it's awesome.
Anyways...the technology is certainly a better option than a mechanical linkage...but let's hope they iron out all the kinks before too long.
I leave you with a display of throttle-by-wire prowess.
http://video.google.com/videop...fox-a#