yet another x-gauge question

[taredog]

Since there is virtually no information out there on x-gauges for chrysler vehicles, does anyone know if you can take two known inputs and program the SGII to make a ratio out of them and apply another factor. The ratio would be better than nothing.

Lacking the ability to get transmission input and output shaft speed what I would like to get is RPM/(41.32*MPH). Even RPM/MPH would be better than nothing.

Thought I would ask here before I e-mail Linear Logic.