I think this is the right forum to ask this type of question but if not please move it appropriately.
OK, I have a 95 hatchback and i'm replacing the whole dash with the MB fiberglass dash. I want to install the following gauges:
Speedometer
Gauge level
water temp
The car still a daily driven. I'm sure someone here had install this gauges on their car. what do i need to make this gauges work specially the speedo to activate the vtec.

Setup:
b20vtec
fully build bottom end
full-race mani
t3/60-1 w/ S housing
Car made 540whp and 400lbs.trq on 24psi with 118 octane gas. Thanks a lot for help.
V-SPEC

 

ttt