This is a discussion on Turbo Cobra? within the SVT Talk forums, part of the SVT category; Anyone know how much more power, if any, a single turbo kit will make more than a pullied stock Terminator? ...
Lots of variables involved - you can't really throw a number out there unless you provide more info on the turbo build. Check out the turbomustangs message board for specific builds and look at the numbers for some of those turbo 4v engines: