Someone should have an answer for this. There are plenty of guys running air gap single plane manifolds on both windsors and clevelands especially the folks running aluminum heads. can't imagine everyone deals with this.
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.