HolyCrapItsFast
Drinks beer!
And also here is a link to the project over on the 4D Systems forum. I will be keeping the write up over there. Right now there is limited information there but I will be updating it with more detail to get you started on your own.
http://forum.4dsystems.com.au/forum...-systems-as-an-automotive-multi-gauge-display
http://forum.4dsystems.com.au/forum...-systems-as-an-automotive-multi-gauge-display