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Thread: Shutting down / Turning up horsepower when needed

  1. #1

    Shutting down / Turning up horsepower when needed

    I recall reading somewhere that you can turn down / turn up half the engine power as and when required.
    My qtns are; if this is possible on all engines and what will be required to have this working? What are the options?

    Some of the benefits will be more economic and manageable driving as and when required( you don't wanna be riding a wild bronco all the time), not been stopped by the coppers on road etc etc......
    Any and all insights welcome.

    To add - I believe it was done on the Buggati , whereby half the cylinders can be shut done and turned up. How does it work?


  2. #2
    Senior Member TwilightZ's Avatar
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    Re: Shutting down / Turning up horsepower when needed

    look up "GM's DISPLACEMENT ON DEMAND"

  3. #3
    Senior Member swoodard23's Avatar
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    Re: Shutting down / Turning up horsepower when needed

    Why not just build a rock solid, economical engine that can tolerate a lot of nitrous and pack a big bottle. Or just buy a corvette z06. Lots of power and high 20's mpg on the highway.

  4. #4

    Re: Shutting down / Turning up horsepower when needed

    Quote Originally Posted by Twilight Z
    look up "GM's DISPLACEMENT ON DEMAND"
    Will check it out. tank ya!

    To Add -

    I got this on search results...A long write up here, It called "GM's Displacement on Demand (DoD)"

    http://www.popularhotrodding.com/fea...ogy/index.html

  5. #5
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    Re: Shutting down / Turning up horsepower when needed

    Quote Originally Posted by swoodard23
    Why not just build a rock solid, economical engine that can tolerate a lot of nitrous and pack a big bottle. Or just buy a corvette z06. Lots of power and high 20's mpg on the highway.
    I get over 30MPG with my six speed got 34 the last time I drove to Dallas the new Corvettes are incredible.

  6. #6
    Senior Member murcie-me's Avatar
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    Re: Shutting down / Turning up horsepower when needed

    Didn't the Cadillac years back have a selectable 4-6-8 cylinder engine? It was an 8 that you could shut down to 6 or 4.
    Without talent experience is worthless

  7. #7

    Re: Shutting down / Turning up horsepower when needed

    Corvettes arn't available over my side da pond.
    But I'll be d.... ... ... that car is a stunner ...power, design and all.....

    So practically this sorta technology has been around for sometime now......
    I am scouring over all the different names for this technology.... So many names' same technology!

    A merc engine with this technology will be a good donor engine don't you think? ..Realibility, availability.....its all there.



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