Instead of going through all the misery of dealing with the sensor company,why don't you get in touch with SuperFlow support and find out how to use the programmable outputs on there controller.
That is why your employer spent the big bucks on this dyno, the controller and the software to run it.
Also I am a little confused. This started out as a project on a dyno and evolved into race cars paddle shifters and shift cut.
It sounds like what you are trying to develop is a system to momentarily cut the engine power to unload the drivetrain and allow shifting without a clutch. Correct me if I'm wrong.
I don't know what kind of ECU you are using, aftermarket or stock. but most decent aftermarket ECU's have this feature. It is commonly called flatshift.
If I recall this is the project that poster rickerman was working on.
Not trying to be snarky, but are you an engineer or is this your title on the race team.