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