not sure on the back space, but the width was 6" by the TF years - any GM 15" 6 bolt wheels into the 70's will work and the 61 up with the hubcap 'lumps' will work best for moons rather than the earlier ones with the hubcap clips

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics