Perfect swap, I was thinking the same thing, but different ls. If you take this one, you don't need electronics beside a MSD stand-alone kit, nor any problems with an intake.
http://www.gmperformanceparts....u=19171225&engCat=ls
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.