GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...

VTEC stands for Variable Valve Timing and Lift Electronic Control and represents a variable valve control system developed by Japanese car manufacturer Honda for its gasoline engines. The system was ...

In this transitional period between the gasoline and electric ages, there's still plenty of room, and plenty of motivation, for last-gasp improvements to the combustion engine – and a Swiss R&D ...

The hunt for efficient engine valve technology can be a never-ending journey into cam timing, various combustion cycles, and lift and duration adjustments. For that reason, some companies believe ...

March 30, 2007 Over the last century of automobile development, we have seen an enormous range of valve actuation technologies, ranging from pushrod, through single then double overhead camshafts, ...

Long ago, a wise man once wrote that what was once old will become new again. He might have been talking about women's fashion or perhaps he was just a street rodder who has seen the march of ...

Part of Subaru’s unwavering belief in the boxer is its ability to make a car safer in the event of a crash. However, ...

The 12V Cummins diesel engine compares to the 24V version as a simpler model. The 24V engine received numerous upgrades and ...

The L8B is a powertrain system produced by General Motors for use in pickup trucks and SUVs. The system is based around the 5.3L L83 engine and two components: The 5.3L L83 V-8 engine is mated to a ...

In 2019, we took a look at an interesting new advanced ignition system from Transient Plasma Systems. It replaces the conventional spark plugs in a vehicle’s engine with an ignition module that uses ...

BHPian BlackBeard recently shared this with other enthusiasts:Hello folks. Since many enthusiasts here are keen on knowing ...