Intake Manifold Calculator

Calculate optimal intake manifold dimensions

Engine Specifications

Engine Displacement (cubic inches)

Target Peak Torque RPM

Number of Cylinders

Manifold Type

Optimal Runner Length

25.5"

For peak torque at 6000 RPM

Runner Specifications

Runner Length25.5"

Runner Volume32.8 ci

Runner Diameter1.28"

Runner Cross-Section1.29 sq in

Additional Specs

CFM Required608 CFM

Plenum Volume350 ci

Recommendation:

Single-plane manifold recommended