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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 Escalade EXT (based on the Cadillac Escalade) was created as a direct competitor to the failed Lincoln Blackwood, a pickup truck based on the Ford F-150. It had competed with the Lincoln Mark LT (now discontinued in the United States and Canada), another F-150-based pickup truck that made its debut in 2005.
The 4.2-liter V8 engine (GM RPO code LTA) is an eight-cylinder, dual overhead cam (DOHC) twin turbo engine produced by General Motors specifically for use in Cadillac luxury vehicles. The engine is the result of a new clean-sheet engine design as well as Cadillac's first twin-turbo V8 engine. It first launched with the 2019 Cadillac CT6. [10]
A Cadillac Sedan DeVille, one of the models offered with the V8-6-4 engine. For the 1981 model year only, Cadillac offered a feature on its V8 engine called the V8-6-4. On this engine, up to four cylinders could be deactivated while cruising to save fuel.
Five-pinion front and rear planetaries, along with an additional 3/4 clutch allowing 7 clutches in the input housing and induction hardened input shaft assembly, were improved to withstand up to 380 ft⋅lb (520 N⋅m) of torque. Applications: Cadillac Escalade; Cadillac Escalade EXT; Chevrolet Corvette, 2005 only; Chevrolet Silverado SS; GMC ...
The LAU is GM's new code for the LP9 Turbo engine, its usage starting with the 2010 Cadillac SRX. [1] In 2011, production of the Cadillac SRX with the LAU engine ceased, but the engine remained in use in the Saab 9-4X until 2012, when production of that model came to an end. [2] [3] Applications:
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[4] [5] However, the CT6 was a poor seller during its entire model run and was cancelled in February 2020. With estimated production cost of $20,000 per engine, the Blackwing V8 would be too expensive for Escalade when somewhat over half the performance is available from GM's 3.0-litre twin turbocharged LGW High Feature V6 engine.