if your going to turbo the motor, would it not be easier to use a non svt 2.5, for sake of finding parts? would you even need an svt if your going turbo anyway?
what about a 3.0? theres tons of those around for sure, same block as the 2.5, should fit fine. May have a lower compression than an svt motor, makes it easier to run more boost.
just a few suggestions/ideas is all.
Mark