4.2 Range Rover Supercharged peak power after upgrades?
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Thread: 4.2 Range Rover Supercharged peak power after upgrades?

  1. #1
    FRESHMAN ROVER
    Join Date
    March 13th, 2008
    Location
    Paris, France/Tirana, Albania
    Posts
    41

    4.2 Range Rover Supercharged peak power after upgrades?

    Hello everyone,

    I'm interested in buying a full size 2007 RRSC and I'd like to know what mods and upgrades are available for this car? As far as i know, the most powerful RRSC is the Overfinch one, with 440hp but i'd like to know if anyone knows how to make it more powerful? (apart from getting a 2010 model, because I cannot afford that right now)
    "The full fat Range Rover is the daddy, and the rest are just wannabes!"
    http://i213.photobucket.com/albums/c.../head-left.jpg

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  3. #2
    FRESHMAN ROVER
    Join Date
    April 22nd, 2009
    Location
    Charleston, SC
    Posts
    164

    Re: 4.2 Range Rover Supercharged peak power after upgrades?

    I beleive I have heard talk of pulley upgrades and of course intakes, exhaust (Headers?) and there is a tune that is out.

    I'd love to see some dyno numbers of a SC Range. And then a modded one....v
    2006 RRS 4.4L

  4. #3
    FRESHMAN ROVER
    Join Date
    March 5th, 2007
    Location
    Shell Beach, CA
    Posts
    173

    Re: 4.2 Range Rover Supercharged peak power after upgrades?

    Hello I have a tuned S/C Rover, I had a the pulleys done, see this web site, the porting and polishing (www.eurotoysltd.com) and the ECU reflashed. I have a stock exhaust on still due to how nice an quiet the car is. I have driven a stock S/C and mine is much more powerful then the stock. low, mid and high speed passing is much better.

    I imagine if an exahust were added, you would bet more gains, I would go with the Borla cat-back
    '07 RRSupercharged (full-size)
    '06 RRSport HSE
    '02 RR4.6 HSE
    '97 Disco I

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