Last month we showed what gains were available from three aftermarket Three-Valve intake manifolds in naturally aspirated trim. This month we're going to try the same three intakes, only now we'll see ...

While carbon buildup happens on essentially all engines, gasoline, diesel, N/A, or boosted, it's an increased concern in GDI engines. Standard Electronic Fuel Injection features injectors higher in ...

We Get Our Hands On One Of The First C&L Performance Three-Valve Intake Manifolds--It Added 27 RWHP. During the summer of 2008, C&L Performance made a surprise announcement--it was nearing completion ...

When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. The process of walnut blasting, ...

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 ...