Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A. Most stock cylinder heads have factory-cut undercuts of the ...

What is a Nissan VC-Turbo? The innovative engine architecture, launched on the company's premium 2019 Infiniti QX50, promised to solve a recurrent problem with low-compression turbocharged engines ...

Proper oil pressure is vital in order for your vehicle to perform at its best, so if the pressure is low, here are five causes and fixes to try.

Is that knocking sound your engine is making just a case of low-octane fuel, or is it something more serious? The answer is crucial for your engine's health.

Nissan’s variable-compression engines have been flagged in a new lawsuit. In June 2025, Nissan issued a recall for approximately 480,000 vehicles equipped with defective VC-Turbo engines. Now, a class ...

If you had to back off on the timing, go overrich on the carb, and/or are operating on the verge of detonation, the low-compression engine actually will produce much more real-world horsepower.

Nissan is recalling nearly 443,900 vehicles across certain models under its brand and the Infiniti brand in the U.S. over a faulty part that could cause engine failure.

Reactivity controlled compression ignition (RCCI) is a potential low-temperature combustion (LTC) technique for running intrinsically efficient compression ignition engines while reducing the oxides ...