look for vacuum leaks/ loose carb. that's what always gave me fits on a 250 - hate'em. easiest thing is replace the engine w/ different kind!!

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 & Rust-a-holics Unanimous parking lot