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 ...

An exhaust system is essential for managing emissions and optimizing internal combustion engine (ICE) vehicle performance. One of the more significant advancements in this area is the active exhaust ...

They stop lubricant back-flow through the control valve on the exhaust cycle that lets progressive oil flow to the cylinder, and have a full-formed seating-surface. The valves are available in a range ...

Viknesh Vijayenthiran October 11, 2013 Comment Now! An adjustable exhaust valve on the new 2014 Chevrolet Corvette Stingray means the car can have a split ‘Jekyll and Hyde’ personality. Driving around ...

PACCAR has patented a method for starting a vehicle’s engine that involves rotating the crankshaft while keeping the exhaust valves of the combustion chambers open before fuel injection. The engine ...

Although hybrids are becoming more popular with manufacturers – the technology being a relatively simple, cost-effective way to meet regulation and customer demand for some level of electrification in ...

Having already had engine problems with a Toyota Avensis 2.0 D4D, purchased new in April 2007 (lower engine replaced at 2 years old due to high oil usage - replacement did not resolve problem - plus ...