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Thread: 3.9 V8i under water?

  1. #11
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    Reading some other threads... Under water is a Good Place for a 3.9...

    What about thermal shock, spark plugs as well as the alloy block... ???

  2. #12
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    Agree on the first sentence.


    More seriously though, I have wondered how real the risk is of damage to the vehicle by driving it hot (after normal driving/4x4'ing) into really cold water? Diffs, plus really anything that gets submerged in cold water rapidly... How likely is this to damage things?
    - Justin

    '95 Disco 300TDI - sold
    '86 County 110 Isuzu
    2006 Range Rover Vogue td6

  3. #13
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    I have done numerous water crossings in my standard 95 disco 300tdi, from axle depth to windscreen depth and havent ever had problems with water in diff,trans gearbox etc,no raised breathers etc, door seals are all good, water halfway up the windscreen did allow some through the intake for the cabin air though, should have pressed the recicr button i guess!

  4. #14
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    Quote Originally Posted by ade View Post
    water halfway up the windscreen did allow some through the intake for the cabin air though, should have pressed the recicr button i guess!
    haha, now there's a practical tip.
    - Justin

    '95 Disco 300TDI - sold
    '86 County 110 Isuzu
    2006 Range Rover Vogue td6

  5. #15
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    As is duct tape over the air intake, which is a much better idea.

    Regards Philip A

  6. #16
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    lanolin spray on the dizzy/coil works well.

    not turning this into a ****ing contest, but my 3.9L with snorkel, rangie cannister airbox, and lanolin spray over coil and dizzy has seen its fair share of over bonnet deep water without so much as a hiccup!
    1986 Range Rover Hiline
    2004 D2 TD5

  7. #17
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    [QUOTE=PhilipA;1687399]As is duct tape over the air intake, which is a much better idea.

    Regards Philip A[/QUOTE

    is that the air intake at the bottom of the windscreen? my halfway up the windscreen crossing wasnt planned, it was a nessecity to rescue an injured person in the pilbra WA, good old landies, is there nothing they cant do?

  8. #18
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    megasquirt/jolt with EDIS coil packs is damn near waterproof also!

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