No poly body bushings for the old Patrols - I don't think that stuff had even been invented yet when these were made.

The originals were just like the thick rubber/cloth strapping material that muffler shops use to hang exhaust systems with.
Keep your eye on eBay - parts books are on there sometimes. Somebody some day might have one on CD.
Not sure how big a tire you can go without a lift, but 32's will definitely rub.