Thanks Al, up here in Canucklehead land that would be 0.507947 Imp Gal/hr which of course is theoretical because I too have no idea....
My gas usage is basically the same from the stock to the 1847 but no way in he ll I'm going back to stock! )
2006 Mobius LSV 325 hp MPI Indmar
2005 6L Silverado 1500HD Quadrasteer MODS: Polk DB651's Cabin Speakers, 10" Polk MM1040 Sub in a custom sub box, Kicker ZXM700.5 5 channel Amp, EZ net cargo nets, ACME 1847 Prop, 4 outlet Heatercraft Heater