Valvoline has developed a new direct-injection fuel system cleaner that the company says will remove carbon deposits in about an hour. The EasyGD Fuel System Service featuring Power Dispersal ...

Penray has added a 2-Step Premium Fuel Injection Service Kit to their line of Performance Installer Product Kits. The kit includes a Total Fuel System Cleaner and a Total Intake System Cleaner ...

Penray’s 2-Step Premium Fuel Injection Service Kit includes the company’s Total Fuel System Cleaner and a Total Intake System Cleaner that can be used in both gasoline and diesel engines. The kit is ...

The CombustiKleen Upper Cylinder & Intake System Cleaner is pulled directly from the can into the intake manifold, the company says. The fine mist reaches every part of the intake and combustion ...

CombustiKleen upper cylinder and intake system cleaner is pulled directly from the can into the intake manifold in a fine mist that removes contaminants such as carbon, gum and varnish. The product ...

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 ...

If an engine’s induction system is only as good as its weakest link, then a set of 400-cfm cylinder heads, giant intake valves, and mega-flow carburetors don’t mean squat if they’re getting choked ...

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 ...