The choices in street manifolds seem endless, especially for the more popular engines like the 350 Chevy ... the stock Quadrajet intake manifold, the engine made peak torque at 3000 rpm and ...

In most tests on engines up to 6,500 rpm, a modern high-rise dual-plane intake like this Chevrolet Performance example on a Chevy 350 ... manifold (PN 7101), a leg up in both power and torque ...