besides how much money you want to waste on gas, how fast you run it for how long is directly related to how long you want it to last .... I wouldn't call holding max RPM with any engine a "good idea" wink

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