The L62 produced 140 hp (104 kW) at 3800 rpm and 265 lb⋅ft (359 N⋅m) at 1400 rpm. Cadillac hailed the L62 as a technological masterpiece, and made it standard equipment across the whole Cadillac line.

2018年9月7日 · The V8-6-4 (L62 in GM engine-code parlance) debuted for the 1981 model year, and it was based on stout stuff: Everything below the cylinder heads came from the 368-cubic-inch V8 (L61) that had been Cadillac’s primary engine in 1980.

到了1981年，凯迪拉克研制出一台运用了闭缸技术的L62“V8-6-4”发动机，并将其装备到了旗下除Seville轿车以外的所有车型上，成为了业界第一个啃螃蟹的人。

2019年2月16日 · The L62 was replaced with a smaller 4.1L V8, while those customers who decided to keep their '81s had the cylinder management system permanently disabled, keeping the engine running on eight cylinders for the remainder of its natural life.

2021年3月10日 · Formally known as the L62 V8, the V8-6-4 was essentially Cadillac’s 368 cubic-inch V8 (6.0 liters) with some key additions: Mainly, a set of electronic solenoids atop the number 3,4,5, and 6 cylinders that could deactivate the rocker arms on those respective cylinders as commanded by the engine’s electronic control module (ECM, or in ...

2011年9月9日 · 这台代号L37的北极星发动机用于前横置前驱平台，它是全美第一台双 顶置凸轮轴 的全铝V8发动机，使用了铝合金缸体（铸铁缸套）及铸铝 活塞，每缸四气门，并使用 正时链条。 这台发动机的 曲轴 箱和缸体设计是一大特色，它将常规发动机的主轴承盖（见下图）直接集成到了气缸体底部，使发动机的结构大大简化，有利于提高整体强度并减小了发动机高度、降低了重心。 『传统发动机主轴承盖位置』 『北极星发动机的主轴承盖位置』 L37的 缸径 及活塞行程分 …

2020年3月23日 · Above the engine block were unique cylinder heads for what was known as the L62. They incorporated solenoids that when triggered, locked down the rocker arms. This prevented the intake and exhaust valves from operating. Both closed in each cylinder when the solenoids were energized.

最开始是应用到凯迪拉克上机型为L62 V8-6-4的发动机，当时技术名称为DoD（Displacement on Demand），V型发动机，可由8缸转换到6缸和4缸工作模式下，节油效果很明显，由于当时技术限制，运行不可靠，后来搁置了。

2013年5月2日 · Though the ill-fated L62 engine lasted just a single production year, the range of 1981 Cadillac passenger car models foretold the future of modern variable-displacement V-8 and V-6 engines, as well as the future of onboard vehicle diagnostics.

The 8-6-4 is a big block Cadillac motor with 6.0 liters based on a proven platform that has set high mileage and reliability records. The 8-6-4 has been known to turn odometers well past 500K miles with no major failures. The HT4100 is a tiny aluminum block …