Whether that engine is a low-emissions hybrid or a 980ci Pro Mod mountain motor, the intake manifold plays the same role—get air and fuel into the cylinder heads, and ultimately, the combustion ...

Clevor Engine Intake Manifold Upgrade - Box Score. Upgrading our Clevor Engine Build with a Trick Flow Short-Runner Upper Intake. HOT ROD Staff Writer May 23, 2012. See All 17 Photos.

Intake manifold selection can pay huge dividends in power and torque for your engine. Here’s some information from the experts to help you make the right decision.