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The L47 Aurora engine was a special V8 designed for the Oldsmobile Aurora, based on the Northstar engine, used during the 1995-1999 and 2001-2003 model years. It is a DOHC 4.0 L; 243.8 cu in (3,995 cc) V8 which produced 250 hp (186 kW) and 260 lb⋅ft (353 N⋅m) of torque. The bore and stroke was 87 mm × 84 mm (3.43 in × 3.31 in).
The Oldsmobile Aurora Indy V8 engine is a 3.5-liter to 4.0-liter, naturally-aspirated, V-8 Indy car racing engine, designed, developed and produced by Oldsmobile, for use in the IRL IndyCar Series; from 1996 to 2001.
The Aurora came standard with Oldsmobile's 4.0 L (244 cu in) L47 V8 engine, a DOHC engine based on Cadillac's 4.6 L Northstar V8. The Northstar engine and 4T80-E had been exclusive to Cadillac prior to the Aurora. The L47 put out 250 hp (186 kW) at 5600 rpm and 260 lb⋅ft (353 N⋅m) torque at 4400 rpm. [15]
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 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. For engines built during the first part of 1955, the 324 skirted pistons had a reputation for failing due to the cast aluminum skirt separating from its steel interior brace.
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 ...
A highly modified 650 hp (485 kW) version of this engine was used by General Motors racing division initially for Indy Racing League competition starting in 1995, then was later used in the Cadillac Northstar LMP program in 2000. Both engines retained the 4.0 L capacity, but the Northstar LMP version was twin-turbocharged. [1] The engine for ...
The Cadillac High Technology Engine was a V8 engine produced by the Cadillac division of General Motors from 1982 to 1995.. While the High Technology engine was being developed, due to higher Corporate Average Fuel Economy standards being phased in by the United States government, Cadillac introduced a variant of their traditional V8 engine with the first usage of cylinder deactivation for ...