George,
I have never dynoed the car. But based on it be a pre-L #(4134) with minor mods of intake/carb and headers my guess is maybe 300-325.
I think this is the pump you mentioned. Not sure of psi or the fittings.Do you have experience with this brand ?
http://allstarperformance.carshopinc.com/product_info.p...oducts_id/4552/40263
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.