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Thread: 225/75R16 to defender

  1. #1
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    225/75R16 to defender

    All, What is the advantage if any or disadvantage to fitting 225/75R16 to a defender ute. The beast (300 TDI) is currently fitted with a disco auto and transfer case. running a 750/16 I'm about to tow a small van around for a while and can pick up a cheap set. I'm not doing any real off road mainly tar and gravel.

  2. #2
    Join Date
    Apr 2008
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    Going to a 29" diameter tyre will increase yourr evs for a given speed on road, but give you better acceleration and thus should handle hill starts with the van a bit easier.

  3. #3
    Join Date
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    Will also put your speedo out... It's a catch 22 - you might appreciate the extra revs on the highway for towing a van, but might hate sitting at 3000rpm all day! From memory 7.50r16's are a 32" tyre, so revs will increase at 100kmh from 2500 (ish) to perhaps 2800 (ish).

    You will pay for it at the fuel bowser if you are not towing on the highway. Too many revs IMHO.

    Keithy

  4. #4
    Join Date
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    It should just do whatever the standard Discovery rpm are if it has Discovery gearboxes and tyres
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  5. #5
    Join Date
    Jan 1970
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    St Helena,Melbourne
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    Quote Originally Posted by Slunnie View Post
    It should just do whatever the standard Discovery rpm are if it has Discovery gearboxes and tyres
    I think the above posters missed that part, 225/75 must be pretty close to 235/70 in diameter so i cant see any disadvantage at all.
    I currently have 265/75's on my tdi auto and thinking that i might just put my 245/70 AT's back on for towing the camper away for Easter.
    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

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