2006 Cadillac XLR-V

Model:

2006 Cadillac XLR-V luxury roadster

Body style / driveline:

2-door high-performance hardtop convertible with rear-wheel-drive

Construction:

hydroformed perimeter frame, structural center tunnel, aluminum cockpit frame

Manufacturing location:

Bowling Green, Ky.

Key competitors:

Mercedes Benz SL 55 AMG Roadster, Lexus SC Convertible, Jaguar XKR Convertible

Type:

Northstar V-8 SC

Configuration:

supercharged 4.4L DOHC V-8

Installation:

longitudinal RWD

Bank angle:

90-degrees

Displacement (cu in / cc):

267 / 4371

Bore & stroke:

91 mm x 84 mm

Bore spacing:

102 mm

Engine mass (lb / kg):

504.2 / 228.7

Block material:

upper – sand-cast 319 T7 aluminum
lower – die-cast aluminum

Cylinder head material:

319 T7 semi-permanent mold cast aluminum alloy

Supercharger / intake:

• GM patented integral design
• GM specific helical roots rotor set, cast aluminum case
• four integrated tubular (Laminova style) intercoolers
• displacement: 2.0 L / 122 ci
• 2.1:1 pulley ratio
• modulated by pass

Exhaust manifold material:

cast nodular iron

Crankshaft material:

forged steel with rolled fillets

Camshaft material:

cast nodular iron

Connecting rod material:

powder metal, heat treated

Connecting rod length:

151 mm

Valvetrain:

roller follower DOHC, 4 valves per cylinder, variable valve timing

Valve lift:

10.5 mm / .413 in (intake), 10.0 mm / .394 in (exhaust)

Ignition system:

coil-on-plug with extended-life dual platinum-tipped spark plugs

Throttle body diameter (in / mm)

3.1 / 80

Fuel delivery:

returnless, electronic sequential fuel injection

Compression ratio:

9.0:1

Firing order / rotational direction

1 – 2 – 7 – 3 – 4 – 5 – 6 – 8
clockwise

Horsepower (hp / kw @ rpm):

440 / 328 @ 6400 rpm (estimate)

Torque (lb-ft / Nm @ rpm):

425 / 576 @ 3600 rpm (estimate)

90-percent of peak torque available between 2200 and 6000 rpm

Recommended fuel:

91 octane minimum (premium) required

Maximum engine speed (rpm @ fuel shutoff):

6700

Emissions controls:

• BIN8/EURO 4 compliant
• close-coupled catalytic converters
• EGR and AIR not required
• meets Federal, California , and LEV2 evaporative emissions standards

Additional features:

• intake and exhaust continuously variable valve timing
• piston spray cooling
• polished exhaust ports
• friction washers at front of crankshaft provide robust join retention

Type:

Hydra-Matic 6L80 six-speed, rear-wheel-drive, electronically controlled, automatic overdrive transmission with torque converter clutch. Clutch-to-clutch architecture with integral electro/hydraulic control module

Engine range:

4.4L

Maximum engine torque:

425 lb-ft (576 Nm)

Maximum gearbox torque:

664 lb-ft (900 Nm)

Gear ratios:

 

First:

4.03

Second:

2.36

Third:

1.53

Fourth:

1.15

Fifth:

0.85

Sixth:

0.67

Reverse:

-3.06

Maximum shift speed:

6500 rpm

Final drive:

2.56

7-position quadrant:

P,R,N,D, DSC (Driver Shift Control)

Case material:

die cast aluminum

Shift pattern:

(2) three-way on/off solenoids

Shift quality:

five variable bleed solenoids

Torque converter clutch:

variable bleed solenoid

Converter size:

258 mm

Fluid type:

DEXRON VI

Transmission weight:

96.7 kg (wet) / 213.19 lb.

Fluid capacity (approximate):

6.2 L / 6.5qt.

Pressure taps available:

line pressure

Front:

short/long arm ( SLA ) double wishbone, cast aluminum upper & lower control arms, transverse-mounted composite leaf spring, Magnetic Ride Control

Rear:

short/long arm ( SLA ) double wishbone, cast aluminum upper & lower control arms, transverse-mounted composite leaf spring, Magnetic Ride Control

Traction control system:

full-range

Stabilizer bar:

front: hollow, 28.6 by 4.5 mm wall thickness

rear: hollow, 23.6 by 3.5 mm wall thickness

Steering type:

Magnasteer power-assisted rack-and-pinion

 

Steering wheel turns, lock-to-lock:

2.9

Turning circle, curb-to-curb (ft / m):

39 / 11.9

Type:

heavy duty with cross-drilled rotors and high-performance brake linings, dual-piston front calipers and single-piston rear calipers.

power-assist with 4-channel ABS front and rear.

Rotor diameter x thickness (in / mm):

front: 13.4 in. (340.4 mm) x 1.3 (32mm)
rear: 13.0 in. (330.2 mm) x 1.0 (26mm)

Wheel size and type:

front: aluminum, 19 x 8.5
rear: aluminum, 19 x 8.5

Tires:

front: P235/45R-19 – Pirelli Run Flat
rear: P255/40R-19 – Pirelli Run Flat