| The new Corvette has a 400 hp engine so notable | | | | engine management computers results in one of the |
| named the LS2. The predecessor was the LS1 model | | | | most advanced engines GM ever put in a car. |
| at a mere 350 hp. This engine along with | | | | Other interesting features in the overall layout of the |
| aerodynamics allows this Corvette to have the highest | | | | engine included moving the engine 1" forward. 1"? What |
| top speed of any Corvette, including the exotic ZR-1 | | | | could that do? Actually, it allowed for a better exhaust |
| model from the early 1990's. This new engine is all | | | | system, which in turn gave the car more power. There |
| aluminum and with the Z51 package, allows the fastest | | | | is more than enough power to exceed the traction of |
| acceleration of any model currently available. | | | | the rear tires. But cornering also had to be considered |
| The team considered using a 405 hp LS6 engine, but it | | | | in the engine design. If the car is capable of 1.0+ G's in |
| had a lot of special components in it to get that | | | | maximum cornering, this is the equivalent of turning the |
| horsepower. They were afraid that the cam might | | | | engine on its side at 45 degrees. The team made a |
| have been too aggressive for everyday street driving. | | | | different windage tray and oil pickup to control the |
| When the team finished, they came up with a 400 hp | | | | lubrication system during spirited driving. Redesigning |
| engine at 6,000 RPM. The engine also boasts 25 lb-ft | | | | also allowed the team to eliminate the "gull-wing" oil pan |
| greater torque than the previous engine. Torque | | | | of older models leaving room for more exhaust work |
| numbers are 400 lb-ft at 4,400 RPM. Now the engine | | | | to further tune the engine. |
| is larger. The engine displacement increased from 346 | | | | But how did all of these modifications effect the overall |
| cu in to 364 cu in. This was accomplished by a larger | | | | gas consumption? The new Corvette can get 23 mpg |
| cylinder bore of 101.6mm. The stroke remained the | | | | on the combined EPA city/highway test. That's better |
| same at 92mm. The LS2 also uses a higher lift cam | | | | than the 320 hp Porsche 911 at 20 mpg. Forget the |
| and stronger valve springs. Another engine feature is | | | | 400 hp Ferrari Modena at 12 mpg. |
| the throttle body has been increased from 75mm to | | | | This new engine has been totally redesigned for the |
| 90mm which allows more air into the engine. Couple all | | | | Corvette enthusiast and shows a tremendous effort |
| of this together with new flat top pistons at a higher | | | | GM has put forth for this new model. This is by far the |
| compression of 10.9:1 and faster responding fuel and | | | | best Corvette ever produced. |