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Thread: 265/70R17 BFG Muddies (KM2)

  1. 3rd August 2009, 03:17 PM #11
    stevo68's Avatar
    stevo68
    stevo68 is offline The Anti-Nance Man
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    FYI.....possible new club member on the weekend had the KM2's on black steel dynamic rims....very noice,

    Regards

    Stevo
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  2. 27th August 2009, 08:48 AM #12
    solarstabi Guest

    legality of performance bb6 alloy 17" rims

    Note that ADRs & VicRoads in Victoria state that wheel nuts must engage "at least the same number of threads as original"; National ADRs: "same number of threads as stud diameter".
    For a D3, this means that 14x1.5mm studs, original wheel nuts engage ~9 turns, or 13.5mm. Replacement rims & nuts must engage about 9 turns or more.
    So 17" Dynamic steel rims are o.k., but Performance BB6 alloys are not - the nuts only engage 6 turns, or 9mm.
    I've confirmed the amount of nut engagement with Performance BB6 17x8" & BMW X5 17x7.5" Wheels.
    I think many people don't realise that wheel studs on a D3 are so short that you only get 9mm of nut engagement.

    So OEM 7" rims, or Dynamic steel rims, are only legal ones out there, that I have found so far.
    BTW, Kings did a 17x8" steel rim. Marginal on scraping brake caliper (so not legal in Vic), so they decided to stop offering them to D3s.
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  3. 27th August 2009, 07:51 PM #13
    TDV6
    TDV6 is offline Master Subscriber
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    It depends on the offset of the BB6 rims.

    While I still haven’t checked mine by what happens while on the car, most Performance 17x8 alloy rims were 38mm positive offset while my rims are 45mm positive offset an extra 7mm further inset closer to the engine.

    So 7mm plus the standard 9mm should give me heaps over the 13.5mm of engaged thread making my rims legal in VIC as well as QLD which dosent have this requirement as far as I know.

    I will check the thread turn count over the weekend to confirm.

    Ryall
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  4. 27th August 2009, 08:45 PM #14
    d3viate Guest

    265/70R17 BFG Muddies (KM2)

    Sorry, need my eyes checked. I run Mickey Thompson muddies on the steel rims.
    Last edited by d3viate; 27th August 2009 at 08:53 PM. Reason: whoops, sorry ,wrong tyres, Im a Mickey Thompson runner
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  5. 28th August 2009, 03:54 PM #15
    solarstabi Guest
    TDV6 (Ryall), nut engagement on stud is independant of offset. It depends only on how much the D3's stud pokes out of the wheel rim's hole. With OE nuts & rims, the nut goes down into the hole (big hole, big flat washer to hold rim on). So there is enough gap to engage 9 turns of nut.
    In Performance alloy rims, there is about 10mm of alloy between the tapered nut & the hub-face. So there is less room to screw the tapered nut onto the stud. I've also checked with a wheel repair/modification business about modifying (machining) Performance or BMW X5 rims to allow OE nuts to fit. No way, as there isn't enough spare alloy material to be machined out & still leave strong base for nut to engage.
    So only wheel that a tapered nut can be screwed onto with enough turns is a steel one, which has only a few mm gap between the nut & the hub face.
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