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Thread: Callaway C4 Corvette Sledgehammer Twin Turbo 1988

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  1. #1
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    Callaway C4 Corvette Sledgehammer Twin Turbo 1988

    Callaway Corvette Sledgehammer Twin Turbo

    Produced = 1988
    Curb Weight = 1589 kg / 3503 lbs
    Length = 4483 mm / 176.5 in
    Width = 1803 mm / 70.9 in
    Height = 1186 mm / 46.7 in
    Wheelbase = 2443 mm / 96.2 in
    Layout = Front Engine RWD
    Engine = V8
    Displacement = 5.7 Liter 5733 cc / 349.8 cu in
    Aspiration = Twin Turbo
    Gearbox = 6 Speed Manual
    Horsepower = 898 BHP / 669.6 kw @6200 rpm
    Torque = 772.2 ft/lbs / 1047.0 @6200 rpm
    BHP/Liter = 157.54 BHP/Liter
    Top Speed = 254.8 mph / 409.9 km/h
    0 - 60 mph acceleration = 3.9 seconds
    1/4 Mile = 10.6 seconds
    price = $400,000
    Attached Images Attached Images

  2. #2
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    wow, never seen this car before.
    2011 Honda Civic Si

    ATHEIST and damn proud of it.

  3. #3
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    i've read a lil bit about it, and from what i remember, it never made it to production, but lingenfelter said that they could reproduce it (at that time, dun remember when i read it) for $400,000. now, i have no idea... pretty impressive numbers.
    im curious tho as to if it ever reached 254.8 since the number seems to be exacted, or if its just hypothetical number.
    WHEN THE POWER OF LOVE OVERCOMES THE LOVE OF POWER, THE WORLD WILL KNOW PEACE!!!!!!!!!!
    -Jimi Hendrix

  4. #4
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    For some reason it reminds me of a Nissan from the front...
    Lack of charisma can be fatal.
    Visca Catalunya!

  5. #5
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    does this thing actually reach 254 mph? i bet the handling is s**t, though
    I am the Stig


    Ferrari Constructors Champions 2007

  6. #6
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    Quote Originally Posted by carsnut
    does this thing actually reach 254 mph? i bet the handling is s**t, though
    Whats your reasoning about the handling?

  7. #7
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    Quote Originally Posted by johnnynumfiv
    Whats your reasoning about the handling?
    It looks like it may sit lower than stock, I'd say it probably handles better than he thinks.
    John says:
    so i had to dump acid into the block tank today
    i'm afraid to fap
    cause i got it on my hands

  8. #8
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    Quote Originally Posted by baddabang
    It looks like it may sit lower than stock, I'd say it probably handles better than he thinks.
    And it's a professionally done job. I doubt they would overlook handling when partaking in such a project.
    Go n-ithe an cat thu, is go n-ithe an diabhal an cat

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  9. #9
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    Callaway Corvette Sledgehammer Twin Turbo #2
    Sorry if I cannot express myself correctly, but I don't know English as good as I want, so my answers will probably be the same in many cases.

  10. #10
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    Quote Originally Posted by baddabang
    It looks like it may sit lower than stock, I'd say it probably handles better than he thinks.
    my mistake. how did they increase the aerodynamic efficiency? How fast would this car go without the twin turbos??
    I am the Stig


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  11. #11
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    Quote Originally Posted by carsnut
    does this thing actually reach 254 mph? i bet the handling is s**t, though
    Yes it did, and it was driven to the test track.

  12. #12
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    crazy
    I think it was first production car to reach over 240mph
    but i've like 20 TV shows that all talked about it, i'm pretty sure it's pretty well known

  13. #13
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    This car, and other Callaway Corvettes were in the old Road & Track Exotic Cars magazines that came out quarterly. I used to own all of them and I remember reading about that one, and a chop top roadster one too.
    UCP's BSG Nerd and a resident Freerider.
    flickr page:http://www.flickr.com/photos/jaru72/

  14. #14
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    those things that are on the exhaust pipes... what are they there for. i see they say supertrapp or something as such, but im lost as to what they are for. can someone clear that up, wud greatly appreciate it, thanx.
    WHEN THE POWER OF LOVE OVERCOMES THE LOVE OF POWER, THE WORLD WILL KNOW PEACE!!!!!!!!!!
    -Jimi Hendrix

  15. #15
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    Quote Originally Posted by car_fiend
    those things that are on the exhaust pipes... what are they there for. i see they say supertrapp or something as such, but im lost as to what they are for. can someone clear that up, wud greatly appreciate it, thanx.
    Supertrapp's exhaust systems are pretty well though-out, actually. They look confusing at first but they've got advantages. Naturally, anyone can see that they could never flow as well as an open pipe, but that's not what they're made for. First of all, it's a great silencer, and it's a heck of a lot lighter than a muffler. Secondly (and most importantly for most cars that use them), they prevent fireballs from being thrown at anyone who happens to be standing behind the car. I've heard that government forestry trucks often install systems like these.

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