We installed a Superchaged SOHC 4.6 in a Hunter kit. A bit of a trick but it can be done.
You can check out some pictures of how the enigne fit and our fresh air set up on the picture part of this site;
http://www.clubcobra.com/photopost/s...0&ppuser=18529
The big problem is all the harness mods that have to be made to work in the Cobra. That and the anti theft system built into the computers.