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Thread: Callaway C4 Corvette Sledgehammer Twin Turbo 1988

  1. #16
    Join Date
    Jun 2005
    Location
    Tustin, California
    Posts
    969
    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


    Ferrari Constructors Champions 2007

  2. #17
    Join Date
    Apr 2003
    Location
    Vancouver, Canada
    Posts
    5,773
    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.

  3. #18
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    Sep 2006
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    The Netherlands
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    Thanks for the great pic's ag84.

  4. #19
    Join Date
    May 2005
    Location
    USA, Colorado, Vallecito Lake
    Posts
    3,825
    Man, I have loved this car since I was a child, and have never been able to find that many pics of it. Thanks alot for them.
    "Horsepower sells motor cars, but torque wins motor races."
    -Carrol Shelby

  5. #20
    Join Date
    Nov 2005
    Location
    Midland Ontario Canada.
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    1,306
    I remember seeing a Purple Sledgehammer Roadster driving around.

    When the roof is cut off, it has these two bars sticking out of the back, and an amazingly low windscreen.

    The Roadster is 1000 times more beautiful then the coupe.
    The ability for outward expression is dependent on substance...

  6. #21
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    Sep 2006
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    The Netherlands
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    Callaway Corvette Sledgehammer Twin Turbo #5
    Attached Images Attached Images

  7. #22
    Join Date
    Jan 2005
    Location
    Newport Beach California
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    1
    Folks. I'm glad to see some discussion around this car. As the founder of Callaway Cars, I can contribute a few facts. This car was built for top speed events, popular in the late 80's. We built her with the objective of winning each of those magazine contests with one car instead of building a new car each year, no matter who showed up. The strategy was to enter each event, run at whatever speed was necessary to win (but only by a bit) and then return the next year and repeat. But to validate what was to be the ultimate top speed, we had to test. The results of that test, at Transportation Research Center, Bellfontaine, Ohio, leaked out to the wider public; 254.76 mph. No one ever showed up for another test against the Sledgehammer. There are many more elements to the story, if anyone cars to hear.

  8. #23
    Join Date
    Sep 2006
    Location
    The Netherlands
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    Interesting story and car indeed! If you have any more high resolution pictures or stories, feel free to post them. Is the car still around?

  9. #24
    Join Date
    Feb 2005
    Location
    Barcelona
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    Indeed, those inside stories are interesting.
    Lack of charisma can be fatal.
    Visca Catalunya!

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