The AirStream is a body on frame, the Airflow is unit body.

If you are thinking about putting another 35 frame under your body why not just fix your front suspension. www.oldmoparts.com ought to be able to get you what you need to rebuild the stock suspension. Not like it's rocket science under there. THough you might want to go to a farm/fleet type machine shop to redo your king pins

They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.