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Thread: Dynamic Stability

  1. #21
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    Quote Originally Posted by gghaggis View Post
    The DR doesn't affect off-road articulation. A Sport with DR doesn't have any more articulation than one without. De-activating it just provides the equivalent.
    From the wiki description, which may or may not be correct, the DR system replaces the standard sway bars so I suspect could affect articulation off-road. I'll find out more for myself one day as a brother today purchased a 2008 TDV8 RRS fitted with DR.
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi, RTK base station using LoRa

  2. #22
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    If it doesn't deactivate, I guess it could "fight" against the cross-valving. However, if working correctly, there is no obvious difference in articulation - we have a series of wombat holes we use on our training day where the cars are pushed well beyond their maximum articulation and there's no visual difference between the V8 with DR and the V6 without.

    There's certainly a difference in the front axles' articulation when comparing a Sport and a D4 though.

    Cheers,

    Gordon

  3. #23
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    Quote Originally Posted by gghaggis View Post
    There's certainly a difference in the front axles' articulation when comparing a Sport and a D4 though.

    Cheers,

    Gordon
    Are we talking standard RRS vs standard D4 and if so what is the difference and why. I always thought the basic suspension was the same but I now understand there are some differences bit not sure why.

    If they are different adds more weight to have a separate RRS section - not linked with the D3s/4s.

    Cheers

    Garry
    REMLR 243

    2007 Range Rover Sport TDV6
    1977 FC 101
    1976 Jaguar XJ12C
    1973 Haflinger AP700
    1971 Jaguar V12 E-Type Series 3 Roadster
    1957 Series 1 88"
    1957 Series 1 88" Station Wagon

  4. #24
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    The sway bars on the DR fitted RRS are different. Physically, the sway bar is in 2x sections, with a hydraulic unit in the middle. When pressurised, this unit locks both sides of the sway bar. IYSWIM

    As for the differences between the RRS & D3/4... Yes, whilst essentially interchangable, the suspension is 'tuned' slightly differently.

    M

  5. #25
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    I had known about the 2-piece bar and that it locked rather than pushed against the lean as the D2 ACE does but was surprised to learn of the existance of an hydraulic oil reservoir similar to the D2's ACE reservoir, but now I know why.

    Does DR on the RRS have 2-piece bars front and back or just on the front? I suspect both. I note that DR is listed as ACE on the RRS build info sheet.
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi, RTK base station using LoRa

  6. #26
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    IIRC - The bars are front & rear... and yes, it's also known as ACE.

    M

  7. #27
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    Dynamic Response

    Can anyone tell me why you would ever want to drive in 'Normal' mode rather than 'Dynamic' mode if your RRS has it, and if there's no reason not to, why does it mostly (but not always) have to be re-selected on start up?

    Cheers
    Now 2016 D4 HSE 'Leo' and Steve the Triumph Speed Twin
    Then 2010 D4 3.0 HSE 'James'
    Then 2010 RRS TDV8 'Roger' w traxide DBS, UHF, Cooper Zeons, Superchips remap
    Then 2010 D4 TDV6 'Jumbo' w traxide DBS
    First love 2002 D2 TD5 'Disco Stu'

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