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Thread: TYRES

  1. #1
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    TYRES

    I am fitting new tyres to the SII Discovery and i won't to know how do you work out the height of the tyre using the sizes (eg) our Disco has as standard 245/70R/16 and we are replacing them with 265/70R/16 BFG/ATs, so in inches how high are these tyres i think the height of the standard road tyres are 30.5, i'm trying to get more clearance :roll: is there a formular to work this out or do you just get out the tape measure. :?:

    Baz.
    Cheers Baz.

    2011 Discovery 4 SE 2.7L
    1990 Perentie FFR EX Aust Army
    1967 Series IIa 109 (Farm Truck)
    2007 BMW R1200GS
    1979 BMW R80/7
    1983 BMW R100TIC Ex ACT Police
    1994 Yamaha XT225 Serow

  2. #2
    HSVRangie Guest
    265 x 70 x 16

    265 = section width.

    70 = hight of side wall as apercentage of section width IE: Hight = 70% of 265.

    16 = rim diam.


    over all hight = 16 inches. + (185.5mm x2) = 763mm = 31.2 inches aprox.

    Michael.

  3. #3
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    Great thanks for that Michael just what i wanted.

    Baz.
    Cheers Baz.

    2011 Discovery 4 SE 2.7L
    1990 Perentie FFR EX Aust Army
    1967 Series IIa 109 (Farm Truck)
    2007 BMW R1200GS
    1979 BMW R80/7
    1983 BMW R100TIC Ex ACT Police
    1994 Yamaha XT225 Serow

  4. #4
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    Originally posted by HSVRangie
    265 x 70 x 16

    265 = section width.

    70 = hight of side wall as apercentage of section width IE: Hight = 70% of 265.

    16 = rim diam.


    over all hight = 16 inches. + (185.5mm x2) = 763mm = 31.2 inches aprox.

    Michael.
    265/70 R16 = 30.6inches diameter approx [img]style_emoticons/<#EMO_DIR#>/smile.gif[/img]
    Note: standard on disco 2 was 235/70 R16 = 28.95 inches

    Sorry to be so pedantic

  5. #5
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    http://www.miata.net/garage/tirecalc.html

    there are some good links in the web links section of the site [img]style_emoticons/<#EMO_DIR#>/tongue.gif[/img]
    2007 Discovery 3 SE7 TDV6 2.7
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  6. #6
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    Wow thanks inc thats much better [img]style_emoticons/<#EMO_DIR#>/biggrin.gif[/img] saves my little bwain from stress, oh and Lucy spot on so says the tyre calculator.

    Going on the tyre calc the better option so as not to go to wide is 255/75/16.

    Baz.
    Cheers Baz.

    2011 Discovery 4 SE 2.7L
    1990 Perentie FFR EX Aust Army
    1967 Series IIa 109 (Farm Truck)
    2007 BMW R1200GS
    1979 BMW R80/7
    1983 BMW R100TIC Ex ACT Police
    1994 Yamaha XT225 Serow

  7. #7
    p38arover's Avatar
    p38arover is offline Major part of the heart and soul of AULRO.com
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    If you go to www.bfgoodrich.com.au and select the tyre, it gives all the tech details including rolling circumference and diameter.

    Ron

  8. #8
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    The RTA (NSW) has something to say about this:

    http://www.rta.nsw.gov.au/registration/dow.../vsi09_rev4.pdf
    Mahn England

    DEFENDER 110 D300 SE '23 (the S M E G)

    Ex DEFENDER 110 wagon '08 (the Kelvinator)
    http://www.aulro.com/afvb/members-rides/105691-one_iotas-110-inch-kelvinator.html

    Ex 300Tdi Disco:



  9. #9
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    that would make the wheels that you guys
    say on my disco ILLEAGAL 8O

  10. #10
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    Discowhite,

    Strictly speaking yes, you and a lot of others. 15mm + or - placarded size

    Those of the larger wheel society are vulnerable to the Police armed with tape measures.

    Mine are undersized so I checked and I'm ok as I am only 10mm under the placarded size but I noticed that the speed rating is Q and not S. 8O

    I wonder about your changing to NSW rego and whether this is likely to be an issue?
    Mahn England

    DEFENDER 110 D300 SE '23 (the S M E G)

    Ex DEFENDER 110 wagon '08 (the Kelvinator)
    http://www.aulro.com/afvb/members-rides/105691-one_iotas-110-inch-kelvinator.html

    Ex 300Tdi Disco:



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