Popping the hood of a new Mercedes-Benz 300SL Gullwing must have been quite an experience for most enthusiasts in the Fifties. For starters, the 3.0-liter straight-six sat canted at a fifty degree ...

OBJECTIVE: Wet flow, pressure excursions, port volume, runner length, plenum volume—all these figure into an engine's overall efficiency. But there's more… Sometimes theory is neat, but sometimes it ...

AirMax Intake Relief Valve System manages ALL your pumper’s intake relief valves right from the panel! There is no other intake relief valve system on the market that can set multiple intake relief ...

A camshaft's intake closing point has more effect on engine performance than any of the other three opening and closing points. The earlier it occurs, the greater the low-rpm cranking pressure. Early ...

There’s hardly anything on a truck that’s simpler than its air-intake system. And not too many things – maybe only your right foot – that can have as much effect on fuel economy. A diesel engine needs ...

The idle air control valve (IACV) is a device attached to the throttle body that helps keep the engine of a vehicle running without throttle input, such as when the car is idling in traffic or parked ...

Rumors of its existence have been going around the Internet since the first prototype went out the door for testing. Over the course of the last three years or so, C&L proprietor Lee Bender has been ...