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I don't know whay anyone hasn't done this, but it wouldn't be too hard to setup a system that would use (and control) a dyno to formulate and program the popular aftermarket engine management systems automatically. In less than an hour a customer could have an incredibly accurate and idealized profile
for mileage, emissions, and most of all performance.
Wikipedia: Dynamometer
http://en.wikipedia.org/wiki/Dynamometer
Measures torque and rotation speed. [jutta, Jun 07 2008]
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Add self service, just put your car in one end, like a car wash, and pick it up and a new VE table on the other end in 15 min... |
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There's an idea here, but I don't quite understand the author's description. (I don't think we're using the words "formulate" and "program" in the same way, for one.) If you get the description, dear reader, would you please translate? |
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Who is programming what when how? |
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Some help explaining: Modern cars have Electronic Fuel Injection, and there is a table in the computer controller that tells how much fuel to deliver for each speed and load range of the engine. If you change the engine's needs (ex/ hop up, or change to e-85 fuel)) you need to change the table. Equivalent to re-jetting a carburetor, for those who remember carburetors. |
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//Modern cars have Electronic Fuel Injection//
Damn, my car just injects the old-fashioned organic fuel, not this new-fangled electronic stuff. |
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I think he's referring to aftermarket chips, though I had assumed they already come with a table of values based on engine, fuel & bodystyle/weight |
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While I like the idea, alas, I think there are precious few who have the time or inclination to learn all the details of Engine Management. The tiny portion of consumers who could make use of this "profile" couldn't ever provide the place enough business. |
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//While I like the idea, alas, I think there are precious few who have the time or inclination to learn all the details of Engine Management.// |
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Umm... Dont you guys have mechanics up there on your side of the world?
Even without them, engines rely on a combination of reasonably simple chemistry and complex physics, so even if you're not a gear head its not that much of s stretch to learn. |
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//have mechanics//
No mechanics , just the dealers, and wal-mart lube, and a couple bolt-stripping, cons with shops any more. |
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//reasonably simple chemistry and complex physics// |
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Not so many gear heads with EE, Physics, and Chemistry backgrounds. |
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I love the idea. Getting a complete mapping in under an hour would be fabulous. Sadly you will need at least one warmup cycle and any number of cold and warm starts to get things ironed out. Even a good shop could be beat by an automated system. |
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