Quote:
Originally Posted by MikeK
There is some O2 sensor that goes into the end of the exhaust.
And you are correct, sybir or nate puts it in there 
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I wonder if that is yet a third machine/application, or just an add-on sensor for the ECUTEK? Probably the later. I don't know why it would be an input to the dyno.
Somebody who knows what the heck is what on Nate's setup speak up...