I would recommend getting a new tire over a tube anyday, especially with a 1" tear. It may pop your tube right away. Dry rot, maybe a tube, but a tear, I'm not thinking so. Just be really careful. That's just a butt load of pain waiting to happen there.
Nicholson 500x (Project)
Nicholson 185s
Nicholson 110 (That takes an atc70 tank)
Ascott 500 head/350x (Project)
Homebuilt Racer Chromoly Suspension 110 (Ragin Runt)
PK Racing Suspension 70
A+ Inc Suspension 70
AWS Aluminum 90 frame
Hi Performance ATC Suspension frame rd350
Hi Performance ATC Suspension frame 90