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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.
The 4T80-E is a hydramatic transmission and was developed for use with V8 front-wheel-drive cars, and at the time exclusively the Cadillac Northstar engine. [3] It was designed with extreme power handling capabilities at the time. The 4T80-E debuted in the Cadillac Allanté in 1993 along with the Northstar Double Overhead Camshaft (DOHC) V8.
The engine for the Northstar LMP was based on a smaller 4.0 Liter variant of the Northstar used in Cadillacs, known as the L47, used in GM's Oldsmobile Aurora sedan. It had already been adapted for racing in 1995 for use in the Indy Racing League , but was thoroughly modified in order to not only increase power, but increase longevity.
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The head gasket problem with these engines is very well documented, I don't understand why you're pretending it was anything but what it was, poor design. 47.45.248.150 ( talk ) 03:13, 3 September 2023 (UTC) [ reply ]
The Lucerne replaced the full-size LeSabre and the Park Avenue in the Buick range, and used a revised G platform, nonetheless referred to by GM as the H platform. [1]The Lucerne was introduced with the standard 3.8 liter Buick V6 (also known as the GM 3800 engine) or optional 4.6 liter Cadillac Northstar LD8 V8 as well as optional active suspension, marketed as Magnetic Ride Control.
The engine was branded as the "Blackwing V8" by GM technicians, and is the first Cadillac-exclusive dual overhead cam V8 engine since the Northstar V8 was dropped in 2011. [1] Each engine is hand-built by a single technician at the Performance Build Center located inside the Corvette Assembly Plant in Bowling Green, Kentucky, and are marked ...
One engine remained in the factory-equipped location underneath the hood, and another was located in what was formerly the vehicle's trunk. Each engine was capable of making 300 horsepower (220 kW) and was connected to the nearest axle , creating an all-wheel drive (AWD) layout.