Always allow the engine to cool down before trying to access the valve cover and consult the owner's manual on how to remove it. You may need to remove some plumbing or parts, including PVC hoses, ...

Want to know how the brain of your engine—the camshaft—and associated parts conspire to make max power? Here's HOT ROD's guide to all things V-8 valvetrain.

Ford Racing Performance Parts offers CNC-ported, three-valve cylinder heads. They feature massaged intake and exhaust ports as well as reworked combustion chambers.

Exhaust valve:0.008-in. max bounce at 7,100 rpm; tested up to 7,500 rpm. TEST 2: Stock cam and springs, with REV solid exhaust valve. Intake valve:0.006-in. max bounce at 7,000 rpm; tested to ...

As mentioned, the EGR valve in your diesel engine is an important component, both for your vehicle's performance and the environment. However, like many other auto parts, it's subject to wear and ...

It is responsible for your vehicle’s movement, and you should pay close attention to all its parts, including the valves. In this article, we will talk about getting valve clearance adjustments. We ...

When intake valves open, they take in a given amount of air. One large intake valve cannot suck in the amount that two smaller valves can handle. The same goes for the exhaust valves that let gas out.

You'll need a compatible exhaust system with all the necessary parts and, ideally, a tune or controller that integrates with your car's ECU. Kits from companies like LMR offer bolt-on solutions ...

Cobra Technology and Lifestyle dual-mode exhaust – Click above to watch video after the jump. German tuner Cobra Technology and Lifestyle has developed a range of aesthetic and performance parts ...

Some parts of the formula affect the final outcome more than others. ... Let's say it is 0.100 inch off-center toward the exhaust side of the valve center.

According to Delphi Technologies, an auto parts and technology company, the valve is important because it regulates the flow of exhaust gases to the engine intake system, resulting in increased ...