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Thread: SLS Vs. Polyair

  1. #1
    Join Date
    Jan 1970
    Location
    Brisbane
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    54
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    SLS Vs. Polyair

    I am currently looking at buying a '99-'01 Disco, and would like to know peoples opinions on the factory SLS vs Polypolyair springs. I dont need the 7 seats, and would only be getting SLS to help with towing.

    Main main question is are there reliability problems with the SLS? With the Polyair, you still keep you original springs (as I understand it), so if there is a problem with the bags, you are no worse of than standard. However, with SLS, it is electronically controlled, there is no option to add air from a seperate source if the pump fails, and if you loose the air, you are on the bump stops.

    Have I got it right, or have I missed something? Or is it just something not to worry about? If I find a nice one with SLS I should buy it, or if I find a nice one without, I should buy it and add $400 woth of Polyair?

  2. #2
    Join Date
    Nov 2005
    Location
    Maudsland, QLD
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    1,671
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    I've have a Range Rover with the Air Bellows and would tell you to go that way because the Air bags are made from Dunlop and are a very hardy product.
    2023 Defender 130 D300
    SOLD - 2010 Discovery 4 V8
    SOLD - 2008 Range Rover Vogue L322 TDV8
    SOLD - 2006 Range Rover Sport L320 TDV6
    SOLD - 2002 Range Rover L322 TD6
    SOLD - 2002 Discovery 2 TD5
    SOLD - 1997 Range Rover 4.6 HSE
    SOLD - 1999 Range Rover 4.0 SE

  3. #3
    joe Guest
    G'day

    My Rangie has Polly air and they are sweet. [img]style_emoticons/<#EMO_DIR#>/biggrin.gif[/img]
    strong as and you can pump them up or down to what ya like.
    They also improve the overall ride of the car and you can take corners way faster than normal .
    If your woman likes to go camping and you take the back seat out and put in a matress then pump up the Polyair and its all good 8O .

  4. #4
    Join Date
    Jan 1970
    Location
    Toowoomba QLD.
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    1,179
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    I have used polyairs in 3 Disco's and in the current Defender. They are the way to go.

    Trev.

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