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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.
Being nearly identical, it too has the distinctive odd-sided hexagonal shape. These engines can be fitted in rear wheel drive vehicles with the right bellhousing and are used in hot rods, kit cars, sand rails and late model engine swaps. All Cadillac Northstar V8s; Oldsmobile Aurora L47 V8; GM 3.5L LX5 "Short Star" V6
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Download as PDF; Printable version; ... Pages in category "Buick engines" The following 11 pages are in this category, out of 11 total. ... Northstar engine series; O.
Even with its towering $54,000 sticker price, buyers got leaky roofs, troublesome Northstar engines and sluggish acceleration. To beat it all, GM lost money on every Allanté ever made." [ 114 ] Edmunds.com named the Allanté the 23rd worst car of all time, describing it as "pointless" and an "embarrassing attempt to take on the Mercedes SL."
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.