'383' ~ 1967 325 HP vs. 1968 330 HP vs. 1968 335 HP

1967 Intake Manifold vs. 1968 Intake Maniold

1967 Casting #2205968
* Design > Dual-Plane
* Profile > Low-Riser
* Manifold Height > 2.80"
* Throttle Bore Sizes ...... 1 7/16" x 1 9/16"

1968 Casting #2806310
* Design > Dual-Plane
* Profile > Medium-Riser
* Manifold Height > 3.44"
* Throttle Bore Sizes ..... 1 11/16" x 1 11/16"

Advantages >
The 1968 Casting is a taller {rise} Manifold.
The 1968 Casting has 10% greater Branch-length.
The 1968 Casting has a 50% increase in Runner CFM volume.

The 1968 Intake was designed for greater flow at Mid-Range and Upper-Range
RPM power-surges.