Critique/suggestions on 273 engine build

http://www.geocities.com/lars_an_artist/durango.html

If the link works > I can't say I've done this

Those are what I'm going to use on my 318 turbo build. I'm putting them on backwards so the exhaust points forward to the pair of turbos.
Don't know if they will work on your car. You can probably make an educated guess just looking in your engine bay.