Originally Posted by figitt
So the front wheel speed sensors are the key to the good dyno run...? Would it not be fairly easy to wire the sensors in parallel with the rear wheel sensors (and using a resistor) to simulate all 4 wheels turning the same speed. This would get you a good dyno run over 5,000 rpm?
You have probably missed some of the earlier dialogue on this. I have been looking at this over the last few weeks and that was my initial thought too. But as ever it is not quite that simple. The sensors are actually quite sophisticated current rather than voltage output devices, so simply wiring them in parallel does not work; the ECU performs a constant test on the sensor signals which impart speed, direction and gap data via variable width current pulses. I have now got a 'breadboard system to take the rear wheel signals an output corresponding front wheel signals. The next step is to hook it all up on the car. Here's more details on my site:
Dyno mods