(increased torque & horsepower and reduced fuel consumption compared to single plane) Intermittent Gross Output : BHP 246 @ 3200 RPM , Torque 461 lbs-ft @ 2400 RPM , Continuous Gross Output : BHP 205 @ 3000 RPM , Torque 393 lbs-ft @ 2400 RPM. Specific Fuel Consumption : 0.50 @ 2400 RPM , 0.52 @ 3000 RPM , 0.54 @ 3200 RPM , lbs/BHP-HR , 83M/91R Octane. compression ratio : 7.3 to 1. Dimensions : length 35.5 in fan to rear block face , width 34 in across exhaust manifolds , height 35.75 top of carb to bottom of oil pan. Engine weight (dry) : 1032 lbs fan to flywheel , less clutch housing. Oil capacity 11 quarts - 9 quarts pan , 2 quarts filter. Internal plate - type water cooled oil cooler. Crankshaft : forged alloy steel , externally balanced. Cylinder heads : stress relieved , tungsten - cobalt alloy valve seat inserts.