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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 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 ...
The Allanté 4.1 had a new, reinforced engine block that would later be used in the Cadillac 4.5, it used a different camshaft profile and roller lifters to provide for improved airflow, in addition to multiport fuel injection. This engine was rated at 170 hp (127 kW) at 4300 rpm and 235 lb⋅ft (319 N⋅m) of torque at 3200 rpm.
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 1993 models received the significantly more powerful 4.6 L (280.7 cu in) Northstar DOHC V8 engine rated at 295 hp (220 kW) at 5600 rpm and 290 ft⋅lb (393 N⋅m) of torque at 4400 rpm. A new unequal-length control arm rear suspension was introduced, shared with the Seville and Eldorado.
Its output of 0.45 hp per cubic inch was 7% better than the 0.42 hp per cubic inch of the popular and widely produced 100 hp (75 kW) 1949 Ford Flathead V8. 1952 88 and Super 88 V8s used a 4-barrel carburetor for 160 hp (120 kW) and 265 lb⋅ft (359 N⋅m), while 4-barrel 1953 versions raised compression from 7.5:1 to 8.0:1 for 165 hp (123 kW ...
It is a clean sheet engine design, as well as the Division's first ever twin-turbo V8 engine. 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 ...
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 ...