LS3 Powered Corvette Dyno Runs

Discussion in 'OT Driven' started by Mitchj, Jul 23, 2007.

  1. Mitchj

    Mitchj OT Supporter

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    "The team over at LG Motorsports got their hands on a couple of the first 2008 Chevrolet Corvettes with the new LS3 engines and put them right on the dyno for some real world horsepower and torque numbers. With less than 30 miles on clock, the first results came in on the car equipped with the 6 speed automatic transmission. It put down an impressive 370.8 horsepower and 363.8 pounds of torque to the rear wheels.

    Next up was the car with the 6 speed manual transmission. The manual transmission was more efficient and put down 389.5 horsepower and 377.4 pounds of torque. These are very impressive numbers from both cars, easily beating Chevrolet’s published numbers of 430HP and 424 pounds of torque. Using a conservative drivetrain loss of 17-18%, these cars are pushing over 450 horsepower.

    The new LS3 engine has an increased displacment of 6.2L vs the previous 6.0L engine along with high-flow cylinder heads, larger intake/exhaust valves and an acoustically tuned intake manifold. An acoustic foam material is used to reduce radiated engine noise; it is sandwiched between the outer top of the manifold and an additional “skull cap” acoustic shell. Also new beauty covers atop the engine shield the rocker covers and also feature a noise-reducing, acoustically tuned insert to provide a more refined engine sound. Optional on ‘08 Coupe and Convertible models is a new, two-mode performance exhaust system. Similar in design and function to the system used on the Z06, the dual-mode exhaust uses vacuum-actuated outlet valves, which control engine noise during low-load operation, but open for maximum performance during high-load operation. The optional exhaust system provides and extra 5 horsepower as per Chevrolet.

    Performancewise, the 0-60 times of the new LS3 corvette are supposed to be in the 4.3 range. We haven’t see any real world 1/4 mile times yet but we’re expecting high 11’s, if you see any post them up or let us know!"

    UPDATE: LG put added longtube headers, performance cam, ported intake, K&N aircharger, under drive pulley and a custom tune to one of the cars and added over 100HP to the wheels. The car now prodcues 506.7 HP and 457.1 tq

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    Last edited: Jul 23, 2007
  2. Dr. Zoidberg

    Dr. Zoidberg the lovable tramp

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    corvette keeps outdoing itself :o
     
  3. Insert

    Insert Active Member

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    id hit it
     
  4. BigBronco

    BigBronco OT Supporter

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    yep...... Even though Lou's dyno usually reads high, they are still making power.
     
  5. KDubb

    KDubb everyday I'm hustlin'

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    brilliant!
     
  6. pumpkyn

    pumpkyn Active Member

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  7. Mugatu

    Mugatu Ask me about market research. OT Supporter

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    awesome
     
  8. _Trev_

    _Trev_ Ya gotta pay the troll toll... OT Supporter

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  9. Shu

    Shu OT Supporter

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    :GM: :bowdown:
     
  10. Pvt. Joker

    Pvt. Joker RIP Nigger Jim OT Supporter

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    iwantthat.jpg
     
  11. black jesus

    black jesus OT Supporter

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  12. Mugatu

    Mugatu Ask me about market research. OT Supporter

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    pushrod V8 > *
     
  13. Mitchj

    Mitchj OT Supporter

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    I cannot wait until Holden implement this engine in the HSV lineup.

    The Ford ownage will be even greater.
     
  14. Lynn

    Lynn Yes my wife does and no you can't watch.

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    MTI > *
     
  15. Wthermans

    Wthermans What does "New High Score" mean? Is that bad? Di

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  16. art_VW_shark

    art_VW_shark OT Supporter

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  17. SoD

    SoD New Member

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    lol pushrods are coming back.
    WOO WOOO
     
  18. CitznFish

    CitznFish Don't live life by a single sentence OT Supporter

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    leaf spring :mamoru:
     
  19. Mugatu

    Mugatu Ask me about market research. OT Supporter

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    It works.
     
  20. WhiskeyTangoFoxtrot

    WhiskeyTangoFoxtrot New Member

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    :wackit:

    may have to pull the trigger on one of these.
     
  21. BigT

    BigT LSX Crew

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    nice repost
     
  22. Mitchj

    Mitchj OT Supporter

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    What? They have never left, some of the greatest v8 engines in the world are pushrod.

    And all from the LS# stable.
     
  23. CitznFish

    CitznFish Don't live life by a single sentence OT Supporter

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    nowai! :eek3:



    ;)
     
  24. BigT

    BigT LSX Crew

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    Simple, cheap and effective, and at GM they never left.
     
  25. SoD

    SoD New Member

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    not compared back to the 60-70's where everything was SBC/SBF powerd.
     

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