Originally Posted By gremlinsteve
I just don't see why everyone is stuck on tapering the runners jerry

Google "intake runner taper" or even "efi intake runner taper" and you'll get quite a few links to discussions on the subject.

Long story short, the three basic tuning parameters of an intake manifold are runner length, runner taper, and plenum volume.

Last edited by BradH; 02/14/18 04:14 PM.