Individual Cylinder AF Adjust, was: NTK wb-sensor price

[socrace at ameritech.net]

At 10:03 PM 2/5/2002 +0100, Lasse Langwadt Christensen wrote:
>maybe I'm missing something but wouldn't measuring the "gas transport
>time"
>be as simple as running the engine, skip one injection event and measure
>how long it takes before the sensor shows lean?
>repeat for different rpms, cylinder, etc.

That works pretty well, heres a SAE paper on single cylinder mixture 
control that usesa similar method
http://www.delphiauto.com/pdf/sae/1999-01-0546.PDF
As they explain it, the transport time is so short it hardly matters, since 
the exhaust gas can move alot faster than the crankshaft.
Bob D


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