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Thread: D1 TDI Tyre size Recommendations

  1. #1
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    D1 TDI Tyre size Recommendations

    Hi, My D1 TDI is up for new tyres. Currently running BFG 235/70/16 tyres. Drives fine, BFG good tyres but this size looks a bit undersize for the D1. I don't want to increase the tyre diameter too much given the TDI is not the most powerful vehicle ever produced. The engine is stock standard and I don't want to increase fuel settings etc. I do mostly on road and a bit of beach driving.
    Am considering the Toyo 255/65/16.
    Welcome any recommendations or advice.
    thanks.
    James

  2. #2
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    245/70 or 245/75 are a good fit.
    MY08 TDV6 SE D3- permagrin ooh yeah
    2004 Jayco Freedom tin tent
    1998 Triumph Daytona T595
    1974 VW Kombi bus
    1958 Holden FC special sedan

  3. #3
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    245/75R16. Only requires a tiny trim. If your engine feels underpowered it probably needs some loving.

    What is your top speed?

  4. #4
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    Unsure what top speed is. I drive it about 95-100km. The T/c locks up correctly at about 80km. It goes ok, just don't want to make it slower than it already is.
    Will look into the 245/70/16 tyres.

    thanks

  5. #5
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    I have 245/75/R16 on my D1. It is a V8, but the GPS speed always shows exactly the same as the speedo. The TC locks up the same as yours.

  6. #6
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    I have 245/76/16 on mine, but it's a manual. Goes ok, but I do have to pedal going uphill still.
    1996 Disco 1 300TDI manual - Lucille a cantankerous red head! :D
    1997 Disco 1 300TDI Auto - sold

  7. #7
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    Speedo error calculator – speedometer error as a result of tyre size change – Speedometer calibration

    i used that when i changed mine to 245/75R16 BFG KO2. had original size duellers before. makes a difference at take off. i found that the brakes became less responsive too. nicer at highway speeds though and offroad (sand).

    generally if my speedo is saying about 95 i think, i'm doing 100 real speed.

  8. #8
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    For beach driving you want a taller and skinny tire, yes skinny not fatter, a lot will disagree but that is the proven fact by physics and real world, sadly a lot will still disagree but each to there own.
    You get a longer track when deflated and that is what gives best floatation and traction with the least rolling resistance
    235 / 85 is the best size for a standard D1 IMO
    Discovery 1 4.6, true trac front and rear, superior engineering arms,old tourer now bush toy
    Discovery 4 3.0 HSE MY13 ECB Bull bar, winch, spot lights, aux fuel tank, Kaymar rear bar, duel wheel carriers, 18 tuff ant wheels 265/65/18 BFG KO2's for play

  9. #9
    DiscoMick Guest
    On our D1 the 245/70/16s fitted without rubbing, but 245/75/16s rubbed.
    Did on at the is right about taller being better than wider.
    Taller gives a longer track so more float. Wider just gives a wider mound of sand to be overcome. Wider is for show not practicality, I think.
    That's why our Defender comes with taller 235/85/16s for better traction.

  10. #10
    DiscoMick Guest
    Discomatt (stupid auto correct).

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