Running the Stealth intake and 750 HP carb, the motor produced 382 hp and 332 lb-ft of torque. Wanting to run a 5.0L EFI setup on the mod motor, we selected the Box R manifold system from Trick Flow.

A single-plane open-plenum intake would obviously be easier to design and cheaper to build. Why bother with a two-plane? The reason is the design has many advantages. 01The simplest manifold mod ...

Intake manifold upgrades are usually seen as hard-core mods that are only done when engines are making big power and the stock unit is choking airflow. While this rings true in many cases ...

In a sense, dealing with spec intake manifolds is not much different than the use of cylinder heads for which no modifications are allowed. You need to make decisions about (1) a specific span of ...

In diesel performance, achieving optimal airflow is the cornerstone to unlocking your engine’s full potential. For owners of the 6.7L Cummins, upgrading the intake system is a popular and effective ...

This means that modifications to both the fuel and ignition ... bunch of hardware that is no longer required. The original intake manifold, intake piping and air flow meter are all removed ...

Ford raised some eyebrows last year with an all-new 7.3-liter gasoline V-8 engine for its 2020 line of Super Duty pickup trucks. A large-displacement naturally-aspirated gasser with a decidedly ...

Sounds simple enough. But if you can use an intake manifold that can be both, then you don't have to choose. That's where variable intake manifolds come in. It's the sort of compromise that isn't ...

The problem: The engine may run roughly due to exhaust-gas recirculation system ports in the intake manifold being clogged with carbon. Vehicles affected by service bulletin: See More Service ...