Proj 7747/101

[peter paul fenske]

Hi Greg and all

Max rpm is just that 255 is used to represent increments of
25 rpm. Just a convenience for number.
there is also a 12.5 rpm var and sometimes a 6.25 rpm var.

Crossings report how many times the O2 sensor switches
across stoich. It is a measure of closed loop system
performance.

>questions:
>The max RPM (at least reported by the scanner) was 6375. 
>Is that a hard limit or just a reporting issue?
>
>What does the "Crossings" value represent? Crossings
>from rich to lean as reported by the sensor?
>
>No o'scope available...
>
>-greg
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