Over on the Caldera thread, thanks to @murphy79 @TiHardtail we have the 1997 dealer tech sheet. What's that about 853 tubing?
Errrr...we know that's not the case as well discussed here. It does add more evidence to the "Altitude were struggling" theory.

Errrr...we know that's not the case as well discussed here. It does add more evidence to the "Altitude were struggling" theory.