Part Type: Remanufactured Engine Assembly (Factory Spec)
This remanufactured CADILLAC Northstar 4.6L engine includes the following enhancements from Fraser Engines:
- Bore and hone all cylinders to OEM clearances (We check all clearances within .0001 of inch),
- Decking cylinder head(s) and block for straightness,
- Cutting valve seats and valves to proper degree,
- Line boring/honing crankshaft/camshaft tunnels,
- Ground & polish crankshaft, new or remanufactured camshaft(s),
- New main bearings, rod bearings, pistons, piston rings, lifters, pushrods (if equipped), timing components, oil pump, head bolts,
- All new internal gaskets and seals.
- All finishing gaskets are included (MAY VARY PER APPLICATION).
CADILLAC 4.6L Engines
The Cadillac Northstar 4.6 Liter Engine 1994-2011 is a V8 engine designed by Cadillac, a division of General Motors, for use in their luxury vehicles.
The base engine consists of:
An all-aluminum engine block and cylinder head
Dual Overhead Camshafts (DOHC)
Variable Valve Timing (VVT)
Sequential fuel injection
The engine specifications include:
- A displacement of 279.2 cubic inches (4,565 cubic centimeters)
- 3.66 in x 3.31 in (93 mm x 84 mm) cylinder bore and piston stroke
- 10.0:1 or 10.5:1 compression ratio
- 275 to 300 horsepower (205 to 224 kW) at 5,600 to 6,000 rpm
- 300 to 320 lb-ft (407 to 434 Nm) of torque at 4,400 rpm
The Northstar engine was a significant achievement for Cadillac when it was first introduced in 1994. It was one of the first production engines to feature DOHC and VVT technology, which helped improve its power and fuel efficiency. The engine was also notable for its use of a unique head bolt design that allowed for more precise and even torque distribution across the cylinder head.
The Northstar engine was used in various Cadillac models during its production years, including the DeVille, Eldorado, Seville, STS, XLR, and DTS. The engine was also used in the Oldsmobile Aurora and the Pontiac Bonneville. Overall, the Northstar engine was well-regarded for its smooth power delivery and refined performance characteristics, which helped establish Cadillac as a leader in the luxury car market.
