As of 9:30am 10-24-2012: (Click on the images for a larger view)
2014 LT1 Smallblock Specifications:
- Engine type: 90-degree V-8 with overhead valves; continuous VVT
- Displacement: 6.2L (376 cubic inches)
- Bore x Stroke (in / mm): 4.06 x 3.62 / 103.25 x 92
- Cylinder block: cast aluminum with nodular main caps
- Main bearing fasteners: six, including two cross-bolts per cap
- Crankshaft: forged steel
- Connecting rods: powder metal, 6.125 inches in length
- Pistons: eutectic aluminum alloy
- Compression ratio: 11.5:1
- Cylinder heads: 319-T7 cast aluminum with 59.02cc combustion chambers
- Valve angles (degrees): 12.5 intake, 12 exhaust
- Intake valves: 2.13 inches (54mm) hollow
- Exhaust valves: 1.59 inches (40.4mm) hollow sodium
- Camshaft: Hydraulic-type with tri-lobe for fuel-pump drive
- Camshaft lift: 0.551-inch (14mm) intake / 0.524-inch (13.3mm) exhaust
- Camshaft duration: 200-degrees intake / 207-degrees exhaust (at 0.050-inch)
- Lobe separation angle: 116.5 degrees
- Fuel delivery: direct injection
- Intake manifold: "runners in a box" design; composite construction
- Throttle: 87mm electronically controlled throttle body
- Ignition: 58X with individual coil-on-plug and iridium-tip spark plugs
- Horsepower / kW: 450 / 335 (estimated)
- Torque — lb.-ft. / Nm: 450 / 610 (estimated)
- Max. engine speed 6,600 rpm (fuel cutoff)
New 6.2L LT1 on the left vs. current Corvette LS3 6.2L engine.
![2014 6.2 Liter LT1 Corvette Engine 2014 6.2 Liter LT1 Corvette Engine](images/2014-6.2L-LT1-+-2013-LS3-C-Piston-Comparison-640x480.jpg)
New cylinder heads will have slightly splayed valves, approximately 2.5 degrees
Raised intake ports with reversed position of intake and exhaust valves.
![2014 6.2 Liter LT1 Corvette Engine 2014 6.2 Liter LT1 Corvette Engine](images/2014-6.2L-LT1-+-2013-LS3-C-Cylinder-Head-Comparison1-640x480.jpg)
![2014 6.2 Liter LT1 Corvette Engine 2014 6.2 Liter LT1 Corvette Engine](images/2014-6.2L-LT1-+-2013-LS3-C-Cylinder-Head-Comparison2-640x480.jpg)
David Kimble cutaway
![2014 6.2 Liter LT1 Corvette Engine 2014 6.2 Liter LT1 Corvette Engine](images/K2014-6.2L-V8-VVT-DI-LT1-Corvettea-640x512.jpg)
![2014 6.2 Liter LT1 Corvette Engine 2014 6.2 Liter LT1 Corvette Engine](images/2014-c7-corvette-lt1-engine_640x512.jpg)
50 lb-ft increase in torque in the 2000 to 4000 rpm range
The 2014 LT1 engine will be built at the Tonawanda engine plant