Nearly 15 years later, the engine has seen more than a dozen dyno pulls topping out at 893 hp and 740 lb-ft of torque, countless trips down the strip with and without nitrous, and thousands of street ...

From Street Stock to Winston Cup, the three most important areas for engine performance improvements are cylinder heads, valvetrains, and intake manifolds. In particular, cylinder heads affect most ...

GUANGZHOU --A valve-train parts maker in Anhui province is building a new plant to supply growing orders from domestic and oversea automakers. Anqing TP Powder Metallurgy Co. is jointly owned by ...

The valve train is the "respiratory organ" of combustion engines: it manages the aspiration of fresh air and the discharge of exhaust gases, which is referred to as "gas exchange". Today, only ...

For the PDF version of this article, click here. While the motoring public waits breathlessly for the promise of a revolution in powertrain technology to materialize, the venerable gasoline-powered ...

For an engine to work, a fresh mixture of air and gas has to be able to enter and exit the cylinders. These induction and exhaust processes also need to occur at the correct moments, otherwise the ...