I have a magazine article for a 67 Firebird 400 road test. It has a clear picture of the trunk and the space saver tire. I'm pretty sure it is the same set up as a 68. E-mail me (vferrizz@sover.net) your home address and I will mail you a photocopy. As far as reproductions of the space saver tire, I'm not sure. The inflating canisters used freon, which is no longer allowed to be used. I'm looking for one myself.