[Christ]

Originally Posted by Tygen1

You'll have to define O2SAT.... I can see the O2 sensor as a AFR or voltage reading.

I'm not sure the PCM will let the TCC lock at 4K, but I got a way around that BTW, no MAP sensor on this car, but I got a old vacuum gauge I used to use to set the power valves on Holleys

I won't be able to do this, this weekend, but I'll get around to it.

Oxy Saturation Level... O2SAT. It's how some readers display the O2 information, as a percent of the sensor's range. Instead, I'd want to see the voltage reading.

Yeah, all I need to see is the vacuum reading while engine braking. Even if the TCC isn't locked, it shouldn't freewheel at a speed that high, unless you're in 1st gear. I usually drop it into 2nd gear at about 50MPH to test engine braking in automagics.