In the pre-LS era, a typical small-block-powered street car would rev willingly to around 5,000 rpm. You could assemble a cam package for it—even using heavy components—and you probably wouldn't have ...

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FRANKFURT, Germany--(BUSINESS WIRE)--Tenneco Inc. (NYSE: TEN), a global supplier of Ride Performance and Clean Air products and systems, announced today at the 2017 IAA (Hall 5.1, Stand A20) the ...

EGR stands for exhaust gas recirculation, and the EGR valve is part of a system that does as the name implies: recirculate exhaust gas back into the engine’s intake manifold for a return trip to the ...

A small gap with big importance in the performance and health of an engine - here's everything you need to know.

For Part I, covering the new combustion system, direct injection, and active fuel management: click here. For Part III, covering the block, crankshaft and lubrication systems: click here. Continuing ...

Noise is an important aspect as far as car ownership is concerned. In econoboxes and executive sedans, we’re most interested in how little noise gets in the car from the tires, wind, and so forth. But ...