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Thread: Caravan towing tyre pressures

  1. #1
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    Caravan towing tyre pressures

    I was reading an article the other day that recommended that when towing a caravan that the rear tyre pressures be increased by 5psi & front decreased by the same. The point being that it improves the tyre footprint.
    The D4 has self leveling suspension, so some weight will be transferred to the front wheels, but there is still weight on the tow ball/rear tyres from the van. Our van is approx 2000kgs.
    So, in regards to the self leveling suspension and caravan towing tyre pressures, does anyone have any opinions please.
    2011 SDV6 3.0L + Torus Kakadu, Winchbar, UHF, roof racks, 1 wife, 4 dogs, not enough fishing rods, and Wallabies supporter.

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    Running the 19 inch wheels I now run 48psi on the rear and 40 on the front. Van is 2.5t.

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    Tyre placard pressures are what we started with for a full car and we have not moved too far from them.

    Rob
    Rob

    MY15 TDV6. Compomotives with KO2's, Traxide 160-DBMS, Llams, OE bar, custom rear storage slide, Rhino roof storage system, LSM TPMS, ICOM 440N, rear ladder and GOE compressor guard

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    What does the placard state? Ours has been gerni'd off

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    Quote Originally Posted by catch-22 View Post
    What does the placard state? Ours has been gerni'd off
    Which model Disco do you have?
    Cheers, Dale
    PIC - It comes with the Territory

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    2010 SDV6 HSE

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    Quote Originally Posted by rambada View Post
    The D4 has self leveling suspension, so some weight will be transferred to the front wheels, but there is still weight on the tow ball/rear tyres from the van.
    Same old same old, but a self levelng suspension can not transfer weight from or to any where !!
    It will keep the vehicle level but the weight will not move, I tend to set my tyre pressures by the heat after a decent run - within limits.

    Use an infa-red gun these days, the difference will amaze you, the rear vehicle tyres always way hotter than the van or fronts, also a big difference if one side only in the sun ( can vary by close to 8/10*c).

    Born and worked in the N.T. up and down the Stuart, temp was the only way to judge the pressures !

    DD

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    Quote Originally Posted by catch-22 View Post
    2010 SDV6 HSE
    Assumed you had a D4 but was checking. I can only give you the D3 figures sorry.
    Cheers, Dale
    PIC - It comes with the Territory

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    2008 Kimberley Kamper Sports RV
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    Quote Originally Posted by Glynhouse View Post
    Same old same old, but a self levelng suspension can not transfer weight from or to any where !!
    It will keep the vehicle level but the weight will not move, I tend to set my tyre pressures by the heat after a decent run - within limits.

    Super Quad road trains will shift weight around using suspension alone

  10. #10
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    Self levelling suspension doesn't shift the weight of the vehicle around as such, but it changes the effective weight on each wheel by changing the spring pre-load. This effects how the vehicle handles rather than what it weighs.

    Google corner weighting. Its a very important part of setting up a race car.

    Cheers,
    Jon

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