will be evident with cross sill placement [I believe they're the same], but it doesn't matter, the mount holes in the frame can be matched up or new ones drilled - I found a minor difference in frame hole placement between years, may well be some variation between assembly plants as well

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