The LT1 6.2L V-8 engine that powers the 2014 Corvette Stingray is now SAE-certified at 455 hp (339 kW) and 460 lb-ft (624 Nm) with the standard exhaust system, Chevrolet has disclosed. The same engine boosted by the available performance exhaust system is also now SAE-certified at 460 hp (343 kW) at 6,000 rpm and 465 lb-ft of torque (630 Nm) at 4,600 rpm.
The LT1 6.2L V-8 engine now holds the highest standard power ratings ever for the Corvette. Aside from that, the LT1 engine boasts of fuel efficiency that is expected to exceed 26 mpg on the highway. Jordan Lee, Small Block chief engineer, described that the LT1 engine of the 2014 Corvette Stingray as “a triumph of advanced technology,” as it delivers more power and torque with greater efficiency.
He remarked that the engine’s performance complements the Corvette’s low mass with “a tremendous feeling of power that builds as the rpm climbs.” This results to a driving experience that involves more power and acceleration than ever before. He noted that the power and torque of the LT1 surpasses many up-level engines offered by rivals.
The LT1 engine boasts of providing 74hp per liter, which it offers greater power density than the C6 Corvette’s LS3 6.2L engine and the C6 Z06’s racing-derived 7.0L LS7. Its torque is also comparable to the LS7 at up to 4,700 rpm, with a peak within 5 lb-ft of the 7.0L engine. The LT1 generates this torque early and sustains it across the rpm band, with 316 lb-ft available at only 1,000 rpm and 90 percent of peak torque available from 3,000 rpm to 5,500 rpm.
This amount of torque is more than enough to endow the Corvette Stingray with superb acceleration at all speeds. According to Chevrolet estimates, the Corvette Stingray could accelerate from zero to 60 mph in less than four seconds. This exceptional performance and fuel efficiency could be attributed several advanced technologies like direct injection, Active Fuel Management and continuously variable valve timing.