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2007 Pontiac Solstice GXP - A Serious Boost In Performance

Hppp 0606 2007 Pontiac Solstice Gxp 09 Z
Dual-scroll exhaust turbine... 
   
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Hppp 0606 2007 Pontiac Solstice Gxp 09 Z
Dual-scroll exhaust turbine enhances velocity, reducing turbo lag to an insignificant level without adversely affecting top-end performance.
Hppp 0606 2007 Pontiac Solstice Gxp 10 Z
Direct injection puts the... 
   
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Hppp 0606 2007 Pontiac Solstice Gxp 10 Z
Direct injection puts the fuel-injection nozzle right in the combustion chamber, enhancing combustion efficiency and allowing for a leaner mixture. The Ecotec turbo's piston is specially contoured to aim the injected fuel at the spark plug.
Hppp 0606 2007 Pontiac Solstice Gxp 11 Z
Additional resistance to detonation... 
   
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Hppp 0606 2007 Pontiac Solstice Gxp 11 Z
Additional resistance to detonation is achieved with oil spray injectors that fire oil into a cast-in channel inside the piston, taking heat away from it.
Ecotec 2.0-Liter Turbo Specifications
Assembly Site:Spring Hill, Tennessee
Application:'07 Pontiac Solstice GXP
Type:2.0-liter DOHC turbocharged I4
Displacement (ci / cc):122 / 1,998
Bore x Stroke (in x mm):3.38 x 3.38 / 86 x 86
Block Material:319 aluminum
Cylinder Head Material:356 T6 aluminum
Intake Manifold:Cast aluminum
Exhaust Manifolds:Cast stainless steel
Compression Ratio:9.2:1
Valve Configuration:Overhead cam; four valves per cylinder (35.1 mm int. / 30.1 mm exh.)
Valve Lifters:Hydraulic lash adjuster, roller finger follower
Throttle Body:58 mm
Firing Order:1-3-4-2
Fuel System:Gasoline high-pressure, variable-rail pressure, spark ignition direct injection (SIDI)
Horsepower (hp / kW):260 / 194 at 5,300 rpm (SAE certification pending)
Torque (lb-ft / Nm):260 / 353 at 2.000-5,300 rpm (SAE certification pending)
Fuel Shut-Off:6,300 rpm
Crankshaft:Forged steel
Connecting Rods:Forged steel
Additional Features:Air-to-air intercooled dual scroll turbocharger system, variable valve timing, electronic throttle control, pressure-actuated piston cooling jets, extended-life spark plugs, extended-life coolant, GM oil level sensor, extended-life accessory drivebelt, Nimonic sodium-filled exhaust valves

Hppp 0606 2007 Pontiac Solstice Gxp 12 Z
This shot of combustion chamber... 
   
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Hppp 0606 2007 Pontiac Solstice Gxp 12 Z
This shot of combustion chamber shows the four-valve layout, the centrally located spark plug, and the direct injection nozzle, located behind the intake valves. The Ecotec engine family has benefitted from many high-tech features that help make this turbo powerplant the most powerful engine per liter that GM has ever produced.
Hppp 0606 2007 Pontiac Solstice Gxp 13 Z
The direct injection system... 
   
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Hppp 0606 2007 Pontiac Solstice Gxp 13 Z
The direct injection system is shown here with the electronic control module. It uses a returnless delivery system that operates at over 1,200 psi.
Hppp 0606 2007 Pontiac Solstice Gxp 14 Z
This drawing shows the basic... 
   
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Hppp 0606 2007 Pontiac Solstice Gxp 14 Z
This drawing shows the basic layout of the intercooler system. It reduces the charge temperature by over 200 degrees, greatly improving air density and the engine's resistance to detonation.
Hppp 0606 2007 Pontiac Solstice Gxp 15 Z
Variable valve timing is used... 
   
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Hppp 0606 2007 Pontiac Solstice Gxp 15 Z
Variable valve timing is used for both intake and exhaust valves. It is computer-controlled...
Hppp 0606 2007 Pontiac Solstice Gxp 16 Z
...and uses cam position sensors... 
   
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Hppp 0606 2007 Pontiac Solstice Gxp 16 Z
...and uses cam position sensors for precise control. Valve overlap can be optimized in this manner to increase torque.

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Pontiac G8 Research
Pontiac G8 A new car buyer's guide can help you narrow down your choices when deciding on your next new car. Take a look at the Pontiac G8 and view comprehensive car pricing, current rebates, incentives, safety data, & more. The 2009 G8 has a comparable standard engine, and has drivers side crash test ratings of 8 stars and passengers side crash test ratings of 8 stars. The Pontiac Solstice and the Pontiac Grand Prix are other vehicles that might interest you.

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