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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.
This was so named because it began with Chevrolet's V8 engines. Chevrolet big-block V8s; Chevrolet small-block V8s; GM Vortec 4300 90° V6; GM Iron Duke RWD inline 4 (early RWD Variants, later versions may use a FWD pattern, and have two possible starter locations) Jeep with GM Iron Duke inline 4 2.5L/151 in³ (1980-1983).
Straight-five engines typically use a firing order of 1-2-4-5-3, in order to minimise the primary vibration from the rocking couple. Straight-six engines typically use a firing order of 1-5-3-6-2-4, which results in perfect primary and secondary balance. However, a firing order of 1-2-4-6-5-3 is common on medium-speed marine engines.
The Lucerne replaced the full-size LeSabre and the Park Avenue in the Buick range, and used a revised G platform, nonetheless referred to by GM as the H platform. [1]The Lucerne was introduced with the standard 3.8 liter Buick V6 (also known as the GM 3800 engine) or optional 4.6 liter Cadillac Northstar LD8 V8 as well as optional active suspension, marketed as Magnetic Ride Control.
I have removed the firing order 1-2-3-4 assigned to the Proton Wira VDO engine. This car uses the Mitsubishi Orion engine 4G13 or 4G15, which has a standard 180 degrees planar crank. Hence 1-2-3-4 makes no sense. I expect it comes from their V6, which has a firing order 1-2-3-4-5-6.
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. It reportedly cost 80% more than a similar GM 4T60 transmission and weighed 60 lb (27 kg) more. [5] This transaxle has been used in many of GM's front drive large ...
The Aurora's 4.0 L V8. 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 STS-V uses a supercharged 4.4 L version of the Northstar V8, producing 469 hp (350 kW) and 439 lb⋅ft (595 N⋅m). This engine is mated to a driver-adjustable GM automatic transmission with two shifting modes, larger brakes by Brembo , larger 10 spoke alloy wheels (18"x8.5" front, 19"x9.5" rear), Pirelli run-flat tires , a faster steering ...