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  2. Engine knocking - Wikipedia

    en.wikipedia.org/wiki/Engine_knocking

    Modern knock control-loop systems are able to adjust ignition timings for every cylinder individually. Depending on the specific engine the boost pressure is regulated simultaneously. This way performance is kept at its optimum while mostly eliminating the risk of engine damage caused by knock (e.g. when running on low octane fuel). [5]

  3. Pre-ignition - Wikipedia

    en.wikipedia.org/wiki/Pre-ignition

    An engine that is running hotter than normal due to a cooling system problem (low coolant level, slipping fan clutch, inoperative electric cooling fan or other cooling system problem) Auto-ignition of engine oil droplets (Can be solved by using an oil catch tank) [3] Insufficient oil in the engine; Ignition timing too far advanced; Too much air ...

  4. Antiknock agent - Wikipedia

    en.wikipedia.org/wiki/Antiknock_agent

    Its purpose was to permit high levels of boost pressure in multiple-stage turbochargers, and thus high power at high altitudes, without causing detonation that would destroy the engine. The high pressures brought high temperatures of inlet air, making engines prone to knock. This use and storage stabilization methods were important military ...

  5. Lexus SC - Wikipedia

    en.wikipedia.org/wiki/Lexus_SC

    This engine was the same model as that found in the UCF30 Lexus LS. The SC 430's V8 could produce 288 hp (215 kW) and 430 N⋅m (317 lb⋅ft) of torque, allowing the coupe to go from 0–60 mph in 6.2 seconds. [24] 2001–2005 Lexus SC 430

  6. 3 Winter Sleep Problems & How to Fix Them - AOL

    www.aol.com/3-winter-sleep-problems-fix...

    Dry air in winter can lead to discomfort and increased risk of illness. ... 3 Winter Sleep Problems & How to Fix Them. Christina Heiser. December 27, 2024 at 7:57 AM. Andrii Lysenko/istockphoto.

  7. Toyota UZ engine - Wikipedia

    en.wikipedia.org/wiki/Toyota_UZ_engine

    The 4.0 L (3,969 cc; 242.2 cu in) all-alloy 1UZ-FE debuted in 1989 in the first generation Lexus LS 400/Toyota Celsior and the engine was progressively released across a number of other models in the Toyota/Lexus range. The engine is oversquare by design, with a bore and stroke size of 87.5 mm × 82.5 mm (3.44 in × 3.25 in). [2]

  8. Heather Graham Rocks a Bikini in the Snow to Ring in 2025 ...

    www.aol.com/lifestyle/heather-graham-rocks...

    Heather Graham is running hot on a New Year's vacation!. The actress, who will celebrate her 55th birthday later this month, rung in 2025 on Instagram as she posed in a navy-blue bikini in a hot ...

  9. Bears WR Keenan Allen on issues with ousted OC Shane ... - AOL

    www.aol.com/sports/bears-wr-keenan-allen-issues...

    "My job is to listen, and from there, go do my job." The Bears needed to make a change. The offense wasn't performing well enough, and No. 1 overall draft pick Williams was falling into bad habits.