Originally Posted by
studabear
Bassboy. Basically my mate has built a box which houses a motor and a raspberry pi computer which takes the output from the speed sensor and then controls the motor which turns the speedo cable. It's fully calibratable. I just need a speedo cable making that is a bit shorter so I can house the box if tricks where a Rs turbo ecu would have lived.
Message this guy, he’ll sort your cable out
https://m.facebook.com/fordrsspares/
I used him for my custom bonnet cable...