none whatsoever, especially if it's running fine - even the base 283 has more hp than the 292, and the same torque - the optional 283's have lots more hp than the 292 - up to about 50 more - also easier to find parts for - if ain't broke, why break it? grin

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