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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.
Cadillac 4.1 L engine. A new lighter V8 engine was rushed into production for 1982, the HT-4100 (option code LT8).It was a 4100 cc V8, designed for rear-wheel drive and longitudinal front-wheel drive applications sharing the same transmission bellhousing pattern as Buick, Oldsmobile, and Pontiac engine equipped rear wheel drive vehicles.
[1] 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 275 hp (205 kW) version of the Northstar was also standard equipment in the top GXP trim level of the Pontiac Bonneville, produced only in 2004 and 2005. It was also the top engine option available in the Buick Lucerne CXS and a 292 hp (218 kW) NHP (Northstar High Output) version in the Buick Lucerne Super, produced from 2006 through 2011 ...
Year Engine Power Torque Standard Luxury I, II, III: 2006: 4.6 L Northstar LD8 V8: 275 bhp (205 kW; 279 PS) at 5200 rpm: 292 lb⋅ft (396 N⋅m) at 4400 rpm 2007–2008: 275 bhp (205 kW; 279 PS) at 6000 rpm: 295 lb⋅ft (400 N⋅m) at 4400 rpm Standard Luxury Premium: 2009–2011 Performance: 2006: 4.6 L Northstar L37 V8
Last year, the CDC estimated that the flu caused a total of 470,000 hospitalizations and 28,000 deaths. Brull, who also works as a family physician in Colorado, ...
CBS News contributor David Begnaud shows how three teens at a high school in Iowa jumped into action to help save a man they saw struggling after he fell on train tracks.
The 1954 88 and Super 88 V8s used an 8.25:1 compression ratio for 170 and 185 hp (127 and 138 kW) and 295 and 300 lb⋅ft (400 and 407 N⋅m), respectively. The 1955 model upped the compression to 8.5:1 for 185 hp (138 kW) and 320 lb⋅ft (430 N⋅m) in the 88 and 202 hp (151 kW) and 332 lb⋅ft (450 N⋅m) in the Super 88 and 98.