Fuel Line Calculator

Calculate optimal fuel line size for your application

System Requirements

Target Horsepower

BSFC (lbs/hp/hr)

N/A: 0.45-0.50, Turbo: 0.55-0.65, E85: 0.65-0.75

Fuel Pressure (PSI)

Line Length (feet)

Recommended Feed Line

5/16" (AN-5)

Return: 5/16" (AN-5)

Fuel Flow Requirements

Fuel Flow200.0 lbs/hr

Fuel Flow33.3 GPH

With Safety Margin41.7 GPH

Line Flow Capacity

5/16" (AN-5)80 GPH max

3/8" (AN-6)140 GPH max

1/2" (AN-8)200 GPH max

5/8" (AN-10)350 GPH max

3/4" (AN-12)500 GPH max