Adding Diesel fuel to gasoline raises the specific gravity of the fuel, and actually raises the octane rating. A 5% mixture of gas/diesel raises the octane approximately 5 points. 1 gallon of Diesel to 19 gallons of gas!
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!