GM 6.2L V8 claims most powerful light-duty truck engine title

From AB
It's Official: 2014 Silverado and Sierra Deliver Most Power New Chevrolet, GMC light duty pickups also deliver best towing capacity in class
DETROIT – The 2014 Chevrolet Silverado 1500 and High Country and the GMC Sierra and Sierra Denali 1500, available this fall, with a 6.2L V-8 produces an SAE-certified 420 horsepower (at 5600 rpm) and 460 lb-ft of torque (at 4100 rpm), the most power of any pickup engine and torque of any light duty pickup truck engine.
The 6.2L V-8 available for Silverado LTZ and High Country and Sierra SLT and Denali models also delivers class-leading maximum available trailering capacity of 12,000 pounds when properly equipped.
"Power and towing capacity are fundamental capabilities for full-size pickups," said Jeff Luke, General Motors Executive Chief Engineer for full- and mid-size trucks. "The 2014 Silverado and Sierra deliver unmatched power and towing capability with a host of ingenious driver aids."
The optional Max Trailering Package is available on 2WD and 4WD V-8 crew cab and double cab models and includes:
Trailering package with seven-pin and four-pin connector Enhanced cooling Automatic locking rear differential Heavy-duty 9.75-inch rear axle with 3.73 ratio Increased-capacity rear leaf springs Revised shock tuning for increased control Integrated trailer brake controller. In addition to the 6.2L V8, Silverado 1500 and Sierra 1500 will offer a 4.3L V-6 SAE-certified at 285 horsepower and 305 lb-ft of torque and a 5.3L V-8 certified at 355 horsepower and 383 lb-ft of torque. Silverado and Sierra trucks equipped with the 4.3L V-6 will have available towing ratings of up to 7,600 pounds, the highest for any base V-6 in the segment. Silverado and Sierra trucks equipped with the 5.3L V-8 and the max towing package, available later this year, will have towing ratings of up to 11,500 pounds when properly equipped.
All three engines feature direct fuel injection, Active Fuel Management (cylinder deactivation) and continuously variable valve timing, a combination not found in competitor vehicles. The engines also use a compact overhead-valve design and weight-saving components such as aluminum blocks and cylinder heads to reduce mass for additional energy savings.
All three provide the proven power, torque and dependability of a large-displacement engine, seamlessly switching to four-cylinder mode to save fuel during light-load driving. The 5.3L V-8 has EPA-estimated fuel economy of up to 23 mpg highway (2WD models), the best of any V-8 pickup, and better than Ford EcoBoost V-6. .
EPA fuel economy estimates for the 6.2L V-8 will be finalized in the near future.
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On 9/17/2013 6:03 PM, MummyChunk wrote:

can you get that 420HP before the rev limiter kicks in? And how many people are going to listen to 5000rpm+ my engine is going to self destruct sounds?
Most people live in the 2000/3000 RPM range. Thats where the true power lies.
And you wonder why GM killed the big block.
bob
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