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  2. Cetane improver - Wikipedia

    en.wikipedia.org/wiki/Cetane_improver

    Diesel fuel is a fraction of a crude, mixed with several additives, [citation needed] compliant with various environmental constraints, in order to be commercialized and added into engines. [4] With the rise of environmental concerns, the fuel industry has been driven to lessen emissions and increase performance.

  3. Duramax V8 engine - Wikipedia

    en.wikipedia.org/wiki/Duramax_V8_engine

    The L5D Duramax is a downrated version of the L5P for the Chevrolet Silverado MD and International CV trucks (Class 4, 5, and 6). The L5D was downrated to increase reliability and reduce downtime. The L5D was introduced in 2018 for the 2019 Chevrolet Silverado MD and International CV trucks.

  4. Exhaust manifold - Wikipedia

    en.wikipedia.org/wiki/Exhaust_manifold

    The goal of performance exhaust headers is mainly to decrease flow resistance (back pressure), and to increase the volumetric efficiency of an engine, resulting in a gain in power output. The processes occurring can be explained by the gas laws , specifically the ideal gas law and the combined gas law .

  5. Exhaust system - Wikipedia

    en.wikipedia.org/wiki/Exhaust_system

    A header is a manifold specifically designed for performance. [1] During design, engineers create a manifold without regard to weight or cost but instead for optimal flow of the exhaust gases. This design results in a header that is more efficient at scavenging the exhaust from the cylinders. Headers are generally circular steel tubing with ...

  6. Thermal barrier coating - Wikipedia

    en.wikipedia.org/wiki/Thermal_barrier_coating

    Thermal barrier coating (colored white) on a turbine guide vane in a V2500 turbofan engine. Thermal barrier coatings (TBCs) are advanced materials systems usually applied to metallic surfaces on parts operating at elevated temperatures, such as gas turbine combustors and turbines, and in automotive exhaust heat management.

  7. General Motors LS-based small-block engine - Wikipedia

    en.wikipedia.org/wiki/General_Motors_LS-based...

    The 265 Turbo-Fire distinguished itself from other engines of the era such as Cadillac's 331 series of the late 1940s and early 1950s by reducing the size and weight of various components within the engine; a compact engine block combined with a light valvetrain gave the Turbo-Fire a 40 lb (18 kg) weight reduction compared to the inline-sixes ...