I have the Speed Hut instruments. I found them very nice to work with on the phone. Put the logo on the tach:
Was also able to use an adapter for the tach sender instead of GPS:
If you go GPS you will have a to find a spot for the GPS antenna with line of sight to the sky.
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.