PLEASE LOOK AT THE POWER AND FUEL FLOWS OF THIS GTSIO-520-L 421C ENGINE; 31.5″ MP, 1720 RPM’s, 25′ LEAN OF PEAK, 17 GPH TRUING 200 KTAS AT 14,500 WITH CHT’S FROM 310-345’F. CRUISING WESTBOUND OVER NEVADA LAST WINTER GETTING 185 KTS GS WHILE SHOWING 5.59 NMPG….