the barn doors popping open when in motion will usually be caused by 'body wracking', make sure the back body is securely mounted and any factory lead joints above the door corners haven't cracked and they should work as designed

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