I wouldn't expect any problems, I'm sure I've cruised at higher RPMS than that for extended periods with a 235 .... assuming the engine is in reasonably good condition

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