Amidst the "19 new engines" announcement from General Motors Thursday was a brand-new engine of particular significance for the power-hungry (and aren't we all?): a 3.6 liter all-aluminum V6 with direct injection and variable valve timing. The new V6 is promised for the 2008 model year, with a launch vehicle "to be announced."
Destined to be GM's highest specific output non-turbo engine, the new V6 sounds like a natural for the V6 versions of the new Camaro. The new engine promises a 15 percent boost in horsepower over GM's current V6 powerplants, accompanied by an 8 percent increase in torque. Lower emissions and better fuel economy accompany the power boost.
Features of the high-tech V6 include:
Destined to be GM's highest specific output non-turbo engine, the new V6 sounds like a natural for the V6 versions of the new Camaro. The new engine promises a 15 percent boost in horsepower over GM's current V6 powerplants, accompanied by an 8 percent increase in torque. Lower emissions and better fuel economy accompany the power boost.
Features of the high-tech V6 include:
- Aluminum engine block and cylinder heads
- Dual overhead cams with four valves per cylinder and silent chain primary drive
- High-pressure, engine-driven fuel pump
- Advanced multi-outlet fuel injectors developed to withstand high pressure and heat
- Stainless steel, variable pressure fuel rail
- Four-cam phasing (VVT – see description below)
- 11.3:1 compression ratio
- Aluminum pistons with floating wrist pins and oil squirters
- Polymer coated piston skirts
- Forged steel crankshaft
- Sinter-forged connecting rods
- Structural cast-aluminum oil pan with steel baffles
- Electronic throttle control with integrated cruise control
- Coil-on-plug ignition
- Advanced direct injection capable engine control module (ECM)
[Source: GM]
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