I too have used MSD's over theyears.
successfully.
However I have always mounted them inside away from heat and moisture.
If I was fitting one to my pantera, I would mount it inside.
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.