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I've owned several 67 through 78s, and still own two. And I have absolutely not a free kindle clue what you are talking about. But I am kind of curious, now that you brought it up. Tangent notwithstanding.
Tugly mentioned Aeroforce earlier. Here is the website description of how Aeroforce accommodates two extra inputs... fodder that Torque users (or fantasy Torque users) would like to see in the mystery box added to the Android tablet of choice:
"2 user configurable analog inputs: 0-5v inputs can be configured to read the outputs from MAP sensors, Air/Fuel ratio kits, pressure or temperature sensors, etc. Raw voltage can be displayed or a conversion can be entered to read proper units."