Construction

Unitized welded steel body, aluminum hood

Final assembly location

Flat Rock, Mich.

Type

4.6-liter 90-degree V-8

Manufacturing location

Romeo, Mich.

Configuration

Aluminum block and head

Intake manifold

Composite shell-welded single runner, charge motion control valves

Exhaust manifold

Cast iron

Redline

6,250 rpm

Throttle body

55-mm dual-bore electronic

Valvetrain

SOHC, 3 valves per cylinder, variable camshaft timing

Valve diameter

Intake: 33.8 mm
Exhaust: 37.5 mm

Pistons

Hypereutectic aluminum

Connecting rods

Cracked powdered metal with floating wristpins

Ignition

Coil-on-plug, high-thread-insert spark plugs

Bore x stroke

3.55 x 3.54/90.2 x 90.0 mm

Displacement

281 cu in / 4,606 cc

Compression ratio

9.8:1

Engine control system

Silver Oak PCM

Horsepower

300 @ 5,750 rpm

Horsepower per liter

65

Torque

320 lb-ft @ 4,500 rpm

Recommended fuel

87 octane

Fuel capacity

16 gallons

Fuel injection

Electronic returnless sequential

Oil capacity

6 quarts with filter

Coolant capacity

14.2 quarts

Wheelbase

107.1

Overall length

187.6

Overall width

73.9

Overall height

55.4

Tread width, front/rear

62.8/63.0

Seating capacity

4

Front headroom

38.6

Front legroom

42.7

Front shoulder room

55.3

Front hip room

53.6

Rear headroom

34.7

Rear legroom

30.3

Rear shoulder room

53.4

Rear hip room

46.8

SAE passenger volume

84.7 cu. ft.

Cargo volume

13.1 cu. ft.

Maximum towing capacity (properly equipped)

1,000 lbs.

Manual transmission

3,673

Weight distribution (f/r)

51/49

Power-to-weight ratio

12.3 lbs. per hp