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Northstar is Cadillac's name for its DOHC V8 engine. The engine was introduced in 1992 in the Cadillac Allante and continues to be used in the Cadillac STS, Cadillac SRX , and Cadillac XLR. It was sold exclusively by Cadillac for over a decade before being introduced in the Pontiac Bonneville for 2004, though a variant V8 was used in the Oldsmobile Aurora and a V6 in the Oldsmobile Intrigue. Cadillac is planning to introduce a V12 Northstar this decade.

The original Northstar Allante also introduced the Northstar System which included traction control, adaptive suspension , and antilock brakes .

The all-aluminum Northstar features Dual-Overhead Cams, Variable Valve Timing, and other modern technologies. The VVT system can vary intake by up to 40° and the exhaust by up to 50°. Most Northstar engines produce 300 to 320 hp (224 to 239 kW). The engine displaces 279 in³ (4645 cc) from a 3.66 in (93 mm) bore and 3.31 in (84 mm) stroke. The engine got a forged steel crankshaft in 2003. The block can be expanded up to 5.4 L though no such engine has been produced.

1 L37

The L37 was the original Northstar. It is tuned for responsiveness and horsepower, while the later LD8 is designed for more sedate use.

Vehicles using the L37 include:

1993 Cadillac Allante
Cadillac DeVille Concours
Cadillac Seville STS
Cadillac EldoradoThe Eldorado name was part of the Cadillac line from 1953 to 2003. The name refers to a legendary city of gold and was reputedly suggested by a secretary at Cadillac's home office, who considered it the only name rich enough for such an opulent model. ETC

2 LD8

The LD8 is a transverseThe term, transverse means "side-to-side" as opposed to longitudinal which means "front-to-back". In automotive engineering, the term, 'transverse' refers to an engine in which the crankshaft is oriented side-to-side relative to the wheels of the vehicle. V8 for front wheel driveFront wheel drive is the most common form of engine/ transmission layout used in modern automobiles, where the engine drives the front wheels. Rear wheel drive was the traditional standard while four wheel drive is also sometimes used. The history of fron cars. Introduced in 19941994 is a common year starting on Saturday, and was designated the International year of the Family''. Events January events January 1 North American Free Trade Agreement (NAFTA) goes into effect January 6 Nancy Kerrigan is clubbed on the right leg by an, it is designed to provide more torque than the high-revving L37 . The 1998 revision is quieter (thanks to hydraulic engine mounts) and performs better (thanks to a tuned intake system) than previous Northstars. It produces 275 hp and 300 ft.lbf.

Vehicles using the LD8 include:

Cadillac DeVille
Cadillac EldoradoThe Eldorado name was part of the Cadillac line from 1953 to 2003. The name refers to a legendary city of gold and was reputedly suggested by a secretary at Cadillac's home office, who considered it the only name rich enough for such an opulent model.
Cadillac Seville SLS
Pontiac Bonneville GXP

3 LH2

The Northstar was designed for transverse front wheel drive applications. It was modified substantially in 2004 for longitudinal rear- and all wheel drive use in the SRX and XLR. The RWD (LH2) Northstar is good for 315hp (235kW) and 310ft.lb (420Nm).

Vehicles using the LH2 include:

2004 Cadillac SRX
2004 Cadillac XLR
2004 Cadillac STS

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Topics: Cadillac Northstar Engine 2004 Introduced Ld8 Aurora L37...

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