Contents

Carburetor:

Carburetor Sizing

1/4 Mile ET and MPH:

HP by ET

HP by MPH

Gear Ratio

Tire Diameter by Speed


Carb Sizing
Carburetor Sizing

The carburetor sizing formula will calculate the needed carburetor size for a given combination.

•	Maximum RPM: Enter the maximum RPM that the engine will be run.

•	Cubic Inches: Enter the engine size in cubic inches. If the size of your engine is in liters use the conversion form to convert it to cubic inches.

•	 Volumetric Efficency: Enter the approximate efficency of your engine. A good aproximation for different applications is:

Stock and mild street - 85%

Highly Modified - 95%

Full Race - 100% +


HP By ET


HP by MPH


Gear Ratio


Tire Diameter by Speed