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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).
It remains one of the worst vehicles Consumer Reports has ever tested. [40] The publication noted that the car took 37.5 seconds to go from 0–60 MPH, it was dangerously structurally deficient in a 30MPH crash test with a standard car, and its bumpers were "virtually useless against anything more formidable than a watermelon ", all of which ...
The direct ancestors of the Cadillac Northstar V8 were the Olds-developed Quad 4 HO, from which the internal two-stage cam chain, the bore (minus 1 mm) and the stroke, and other structural features are very, very similar, and the Chevrolet LT-8, a 32-valve DOHC V8 designed with input and participation from Lotus and used exclusively as an ...
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 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 ...
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 ...
Consumer Reports is a United States-based non-profit organization which conducts product testing and product research to collect information to share with consumers so that they can make more informed purchase decisions in any marketplace.