Larry,
I don't think that you will have a problem. You could always make a stainless heat shield and clamp it to the coolant pipe.
How close is that refrigerant hose from the header pipe?
John
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.