It's not that the swap would be difficult, just possibly expensive, and with all the possible custom fab he needs to do, he would probably just be better off getting a vg30dett. I'm not against innovations, but if price is your biggest concern, do some research on the prices of all the parts you will need. I'm sure it will come out to be close or more than the vg30. Course, if you are going to spend that much, get a vq45de and twin turbo that mofo v8 with boost