Calculators – Injector Flow Calculator

Target Engine HP

No. of Cylinders

B.S.F.C value

Max Duty Cycle % (usually no higher than 80%)

Injector Flow

LB/Hr

Examples of Brake Specific Fuel Consumption (BSFC)

Naturally Aspirated:

Gasoline – .45 to .50
E85 – .63 to .70
Methanol – .9 to 1.0

Forced Induction:

Gasoline – .60 to .65
E85 – .84 to .91
Methanol – 1.8 to 2.0