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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.
The firing order has been changed from that shared by all previous Modular V8s (1-3-7-2-6-5-4-8) to that of the Ford Flathead V8 (1-5-4-8-6-3-7-2). [17] Compression ratio is 11.0:1, and despite having port fuel injection (as opposed to direct injection ) the engine can still be run on 87 octane gasoline.
The 2.2l S10/Sonoma had the starter located in the same position as front wheel drive cars. A rear wheel drive bellhousing is displayed at right, and the integrated front wheel drive bellhousing is displayed at the lower right (in this case, as a part of the GM 6T70 Transmission). GM 60-Degree 2.8/3.1/3.4/3.5/3.9 L V6 (also used by AMC) Buick ...
For this inline-4 engine, 1-3-4-2 could be a valid firing order. The firing order of an internal combustion engine is the sequence of ignition for the cylinders. In a spark ignition (e.g. gasoline/petrol) engine, the firing order corresponds to the order in which the spark plugs are operated. In a diesel engine, the firing order corresponds to ...
2 4 6 8 on right bank, 1 3 5 7 on left bank. Northstar (GM): Counting front to back on the engine on the engine: 1 3 5 7 on right bank, 2 4 6 8 on left bank. In V8 engines there is usually an offset between the front of the right bank compared to the front of the left bank about equal to the width of the lower part of the connecting rod.
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.
2008–2010—6.4 L DI "Power Stroke" (F-series only) 1989–1993 Ford-Cosworth HB engine—DOHC 3.5 L (Formula One racing engine) 1991–present Modular V8 —SOHC/DOHC 4.6/5.0/5.4/5.8 L 1997–present Triton V8—truck versions of the Modular; 2003–2004 Terminator V8 DOHC Supercharged 4.6 L
Also notable was the Northstar, which debuted in 1992 as a 4.6 litre, and was also produced in 4.4 L and 4.2 L versions. When the Northstar engine series ended production in 2010, it became the last General Motors division to retain its own proprietary V8 design.