Carburetor and Manifold Combos

Use our simple CFM calculator to learn what CFM you need:

Your engine's cubic inches Your expected maximum RPM (Redline)

Stock Engine

Mildly Modified

Highly Modified

Your ideal CFM range is XXX.

You should stay as close as you can to this CFM and should go no more than 50 CFM in either direction.

If you have any other questions, contact Tech Service at

1-866-464-6553

Carburetor And Manifold Combos