The guys who like the clouds of black smoke have never seen a clean-running Diesel on a dyno. The engines always LOSE power when the pump pressure/volume is jacked up to make the exhaust pipes smoke! Been there- - -done that, many times!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!