Overview: Pontiac G8 and G8 GT
My wife calls it the "Gate"
Body Style/Driveline: 5-passanger, front engine, rear drive sedan.
Construction: Unitized body frame. 1 and 2 sided galvanized steel.
EPA vehicle class: Midsized sedan.
Manufacturing Location: Adelaide, Australia.
Key competitors: Nissan,Maxima. Dodge Charger.
Engines:
G8: 3.6L V-6 (LY7)
G8 GT: 6.0L V-8 (L76)
Displacements (cu in/):
217/3564
364/5967
Bore & Stroke (in/mm):
3.6 V-6 (LY7): 3.70 x 3.37/94 x 85.6
6.0L V-8 (L76): 3.99 x 3.62/101.3 x 92
Block Material (Both engines): Cast aluminum w/cast-in place iron bore liners.
Cylinder Head Material (Both engines): Aluminum.
Valvetrain:
3.6L V-6 (LY7): Dual overhead camshafts, 4 valves per cylinder, continuously variable valve timing.
6.0L V8 (L76): Valve-in-head, 2 valves per cylinder,roller lifters.
Ignition Systems:
3.6L V-6 (LY7): Electronic individual coil-on-plug. individual cylinder knock control and extended-life platinum-topped spark plugs.
6.0L V-8 (L76): high energy distributorless ignition, solid state direct fire ignition w/coil nearplug and integrated ignition.
Fuel Delivery (Both):
Returnless, multi-port fuel injection.
Compression Ratio:
3.6L V-6 (LY7): 10.2:1
6.0L V-8 (L76): 10.4:1
Horsepower (hp/kW @ rpm):
3.6L V-6 (LY7): 261/194 @ 6300 rpm*
6.0L V-8 (L76): 362/270 @ 5700 rpm*
Torque (lb-ft/Nm @ rpm):
3.6L V-6 (LY7): 250/340 @ 3200 rpm*
6.0L V-8 (L76): 391/530 @ 4400 rpm*
Recommended Fuel (Both): Regular Unleaded
Transmission:
Hydra-Matic 5L40 5-spd automatic
Gear Ratios: 3.42, 2.21, 1.60, 1.00, 0.75
Reverse: 3.02
Hyrda-Matic 6L80 6-speed automatic:
Gear Ratios: 4.03, 2.36, 1.53, 1.15, 0.85, 0.57
Reverse: TBD
TR6060- Six-speed manual:
Ratios: 3.01,2.07, 1.43, 1.00, .084, 0.57
Reverse: TBD
Final Drive Ratio:
Automatic applications: 2.92
Manual applications: 3.27
Chassis/Suspensions
Front: Multi-link MacPherson Strut; direct-acting stabilizer bar; progressive-rate coil springs; fully adjustable camber, caster and toe.
Rear: Four-link independant; progessive-rate coil springs over shocks; stabilizer bar, fully adjustible camber and toe.
Steering Type:
Variable-ratio rack-and-pinion, 46-53 mm per revolution, 2.8 turns, lock-to-lock, 37.4 ft/ 11.4 meter turning circle.
Brakes:
Four-wheel disk w/ABS, ventilated front and rear rotors; twin piston front calipers; single piston alloy rear calipers.
Rotor Diameter (in/mm):
G8 front: 11.73 / 298
G8 rear: 11.89 / 302
G8 GT front: 12.64 / 321
G8 GT rear: 12.76 / 324
Wheels/Tires:
G8: 18x8-inch painted aluminum; P245/45R18
G8 GT: 18x8-inch painted aluminum; P245/45R18 Standard, 19x8-inch painted aluminum; P245/40R19 optional
Dimensions:
Wheelbase (in/mm): 114.8/2915
Overall Length (in/mm): 196.1/4982
Overall Width (in/mm): 74.8/1899
Overall height (in/mm): 57.7/1465
Track (in/mm):
Front: 62.7/1592
rear: 63.3/1608
Curb Weight (lb/kg):
Base: 3885/1762
GT: 3995/1812
Base Price ($):
V6: $27,595
V8: $29,995
*Pending SAE certification.
Note: Information shown is current at the time of publication.
My wife calls it the "Gate"
Body Style/Driveline: 5-passanger, front engine, rear drive sedan.
Construction: Unitized body frame. 1 and 2 sided galvanized steel.
EPA vehicle class: Midsized sedan.
Manufacturing Location: Adelaide, Australia.
Key competitors: Nissan,Maxima. Dodge Charger.
Engines:
G8: 3.6L V-6 (LY7)
G8 GT: 6.0L V-8 (L76)
Displacements (cu in/):
217/3564
364/5967
Bore & Stroke (in/mm):
3.6 V-6 (LY7): 3.70 x 3.37/94 x 85.6
6.0L V-8 (L76): 3.99 x 3.62/101.3 x 92
Block Material (Both engines): Cast aluminum w/cast-in place iron bore liners.
Cylinder Head Material (Both engines): Aluminum.
Valvetrain:
3.6L V-6 (LY7): Dual overhead camshafts, 4 valves per cylinder, continuously variable valve timing.
6.0L V8 (L76): Valve-in-head, 2 valves per cylinder,roller lifters.
Ignition Systems:
3.6L V-6 (LY7): Electronic individual coil-on-plug. individual cylinder knock control and extended-life platinum-topped spark plugs.
6.0L V-8 (L76): high energy distributorless ignition, solid state direct fire ignition w/coil nearplug and integrated ignition.
Fuel Delivery (Both):
Returnless, multi-port fuel injection.
Compression Ratio:
3.6L V-6 (LY7): 10.2:1
6.0L V-8 (L76): 10.4:1
Horsepower (hp/kW @ rpm):
3.6L V-6 (LY7): 261/194 @ 6300 rpm*
6.0L V-8 (L76): 362/270 @ 5700 rpm*
Torque (lb-ft/Nm @ rpm):
3.6L V-6 (LY7): 250/340 @ 3200 rpm*
6.0L V-8 (L76): 391/530 @ 4400 rpm*
Recommended Fuel (Both): Regular Unleaded
Transmission:
Hydra-Matic 5L40 5-spd automatic
Gear Ratios: 3.42, 2.21, 1.60, 1.00, 0.75
Reverse: 3.02
Hyrda-Matic 6L80 6-speed automatic:
Gear Ratios: 4.03, 2.36, 1.53, 1.15, 0.85, 0.57
Reverse: TBD
TR6060- Six-speed manual:
Ratios: 3.01,2.07, 1.43, 1.00, .084, 0.57
Reverse: TBD
Final Drive Ratio:
Automatic applications: 2.92
Manual applications: 3.27
Chassis/Suspensions
Front: Multi-link MacPherson Strut; direct-acting stabilizer bar; progressive-rate coil springs; fully adjustable camber, caster and toe.
Rear: Four-link independant; progessive-rate coil springs over shocks; stabilizer bar, fully adjustible camber and toe.
Steering Type:
Variable-ratio rack-and-pinion, 46-53 mm per revolution, 2.8 turns, lock-to-lock, 37.4 ft/ 11.4 meter turning circle.
Brakes:
Four-wheel disk w/ABS, ventilated front and rear rotors; twin piston front calipers; single piston alloy rear calipers.
Rotor Diameter (in/mm):
G8 front: 11.73 / 298
G8 rear: 11.89 / 302
G8 GT front: 12.64 / 321
G8 GT rear: 12.76 / 324
Wheels/Tires:
G8: 18x8-inch painted aluminum; P245/45R18
G8 GT: 18x8-inch painted aluminum; P245/45R18 Standard, 19x8-inch painted aluminum; P245/40R19 optional
Dimensions:
Wheelbase (in/mm): 114.8/2915
Overall Length (in/mm): 196.1/4982
Overall Width (in/mm): 74.8/1899
Overall height (in/mm): 57.7/1465
Track (in/mm):
Front: 62.7/1592
rear: 63.3/1608
Curb Weight (lb/kg):
Base: 3885/1762
GT: 3995/1812
Base Price ($):
V6: $27,595
V8: $29,995
*Pending SAE certification.
Note: Information shown is current at the time of publication.
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