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  2. Northstar engine series - Wikipedia

    en.wikipedia.org/wiki/Northstar_engine_series

    The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. Regarded as GM's most technically complex engine, the original double overhead cam, four valve per cylinder, aluminum block/aluminum head V8 design was developed by Oldsmobile R&D, [citation needed] but is most associated with Cadillac's Northstar series.

  3. Cadillac V8 engine - Wikipedia

    en.wikipedia.org/wiki/Cadillac_V8_engine

    Cadillac 4.2L twin-turbo V8 LTA engine. The 4.2-liter V8 engine (GM RPO code LTA) is an eight-cylinder, dual overhead cam (DOHC) twin turbo engine produced by General Motors specifically for use in Cadillac luxury vehicles. The engine is the result of a new clean-sheet engine design as well as Cadillac's first twin-turbo V8 engine.

  4. GM High Feature engine - Wikipedia

    en.wikipedia.org/wiki/GM_High_Feature_engine

    LX5 (Shortstar) The GM High Feature engine (also known as the HFV6, and including the 3600 LY7 and derivative LP1) is a family of modern DOHC V6 engines produced by General Motors. The series was introduced in 2004 with the Cadillac CTS and the Holden Commodore (VZ) . It is a 60° 24-valve design with aluminum block and heads and sequential ...

  5. GM L3B engine - Wikipedia

    en.wikipedia.org/wiki/GM_L3B_engine

    The GM L3B engine is a turbocharged four-cylinder gasoline engine designed by General Motors. It is an undersquare aluminum DOHC inline-four displacing 2.7 liters (165 cid) and tuned for strong low-end torque. In addition to GM's active fuel management, start-stop system, and variable valve timing, which are already featured on GM's other full ...

  6. Cadillac twin-turbo V8 - Wikipedia

    en.wikipedia.org/wiki/Cadillac_twin-turbo_V8

    Cadillac twin-turbo V8. DOHC 4 valves x cyl. The Cadillac Blackwing V8 (GM RPO LTA) is a twin-turbo DOHC V8 engine that was produced by the Cadillac Division of General Motors for use in its CT6-V and CT6-Platinum between 2018 and early 2020. It is a clean sheet engine design, as well as the Division's first ever twin-turbo V8 engine. The ...

  7. Valvetrain - Wikipedia

    en.wikipedia.org/wiki/Valvetrain

    Valvetrain. 1969 AMC V8 overhead valve engine. The rocker cover has been removed, so the pushrods, rocker arms, valve springs, and valves are visible. A valvetrain is a mechanical system that controls the operation of the intake and exhaust valves in an internal combustion engine. [1] The intake valves control the flow of air/fuel mixture (or ...

  8. Variable valve timing - Wikipedia

    en.wikipedia.org/wiki/Variable_valve_timing

    Variable valve timing ( VVT) is the process of altering the timing of a valve lift event in an internal combustion engine, and is often used to improve performance, fuel economy or emissions. It is increasingly being used in combination with variable valve lift systems. There are many ways in which this can be achieved, ranging from mechanical ...

  9. Lincoln Y-block V8 engine - Wikipedia

    en.wikipedia.org/wiki/Lincoln_Y-block_V8_engine

    Lincoln Y-block V8 engine. OHV 2 valves x cyl. The Lincoln Y-block V8 engine was Ford 's earliest OHV V8 engine, introduced by Lincoln in the 1952 model year. [ 2] Like the later and better-known but even more short-lived Ford Y-block engine, its block's deep skirts gave the block the appearance of the letter Y from the front. [ 3]

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