Steve,
the info I've come across suggest the 3.8 were Startech prototypes and that Startech finalised on the monster 6.1 V8 engine.. now that is something I would like to see , and hear ! Interesting article here :

http://bestsupercars.com/cars/2005/2...Crossfire.html

So has anyone out there got a Startech converted Crossfire, either 3.8 or 6.1 ?

Paul