Installing an Edelbrock Performer intake manifold to a Chevy 350

Swapping out a Weiand Xterminator intake manifold with a new Edelbrock EPS Performer Dual plane intake manifold on a 1969 300HP 350 engine powering a 1949 GMC 100 1/2 ton pickup.
The Weiand is a single plane intake designed for high RPM race type performance and the Edelbrock intake is a dual plane intake designed for lower RPM street performance. An Edelbrock 1406 600 CFM carb will be bolted to the intake.