Gasoline direct injection (GDI) engines have become increasingly popular for their improved fuel efficiency, reduced emissions, and enhanced performance. The latest generations of GDI V-8s become more ...

WARMINSTER, Pa.--(BUSINESS WIRE)--CRC Industries, Inc. announced it will launch its CRC GDI IVD® Intake Valve & Turbo Cleaner at the upcoming 2016 AAPEX and SEMA trade shows during Automotive ...

Consumer Reports has no financial relationship with advertisers on this site. The process of walnut blasting, which entails cleaning the intake manifold and valves of a car’s engine with a high ...

There is one inescapable issue all vehicle owners deal with – fuel quality. Gasoline engines get dirty on the inside, especially with today’s ethanol-added fuels that might form more deposits than ...

The other day I dropped my car off at a European specialist shop, and while I was there, a technician was working in the engine bay of a Mk7 Golf R, cleaning out carbon deposits off the intake valves.

Valve gunk is nasty stuff that comes from the toxic vapor of steam, oil, gasoline and hydrocarbons circulating around the inside of your engine. A normal process of combustion in any gas powerplant, ...

Automakers have long touted the benefits of fuel injection, claiming increased efficiency and power. But as more cars have the system installed (around 73% in 2023), more and more consumers are ...

I would appreciate your help with something that's been debated for a long time: decarbonizing your engine. There are chemicals and procedures, like TerraClean, that promise to blast carbon deposits ...

Setting valve lash has nearly become a lost art. Hydraulic lifters are so prevalent and so efficient that many enthusiasts resort to the old way or doing it—engine running, oil spewing everywhere. Let ...

Spark plug indexing won't make much of a difference in your average stock car, but it can have a noticeable impact in high-rpm performance builds.