The so-called second swirl tank is simply an overflow- a catch tank by another name. I use a small plastic tank tucked up as far away from the header heat as possible and a 12 oz beer car as an aux overflow for track days. Non need to be elaborate for an overflow bucket.
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.