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 generates the best overall average torque and power numbers ...
If there is a classic bolt-on for a small-block Chevy, it has to be the aluminum intake manifold swap. This story is aimed at the first-time bolt-on artist, and we’ve chosen CHP’s My Generation ’87 ...
Baseline tests on the stock manifold were done with a 650 Holley carburetor mounted on an adapter plate. Here, writer David Vizard sets the idle mixture being delivered by the electronic Holley. For ...
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