Originally Posted By RylisPro
I would imagine that the 6.1 intake losing power after 6800 rpm.

The CASCAR should make power way above that rpm range due to being a single plane.


The 6.1 is also a single plain manifold . from what i understand it's the longer runners of the 6.1 that limit it's high rpm power.

Last edited by aus370; 01/23/19 07:52 AM.