Injector HP Calculator Convert from cc/min to lbs/hr Injector size in cc/min lbs/hr Convert from lbs/hr to cc/min Injector size in lbs/hr cc/min Calculate max HP based on Injector Size It's assumed that the fuel pressure is set at 43.5 psi and running regular gasoline unless otherwise noted. Injector Size in CC Duty Cycle in % 70 75 80 85 90 95 100 Number of Injectors 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Fuel Type Gasoline E85 Engine Setup Naturally Aspirated Supercharged Turbocharged All Motor HP @ Crankshaft All Motor HP @ the wheels E85 All Motor HP @ Crankshaft E85 All Motor HP @ the wheel Supercharged HP @ Crankshaft Supercharged HP @ the wheels E85 Supercharged HP @ Crankshaft E85 Supercharged HP @ the wheel Turbocharged HP @ Crankshaft Turboharged HP @ the wheels E85 Turbocharged HP @ Crankshaft E85 Turbocharged HP @ the wheel