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Thread: 275/55R20 KO2 or LTZ

  1. #111
    Join Date
    Jan 1970
    Location
    NSW SW Slopes
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    11,475
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    Mine temporarily has rather worn 19" Dynapro ATMs which slip everywhere in the slightest mud but the KO2s will be refitted this w/e.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  2. #112
    Join Date
    Mar 2013
    Location
    Gymea
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    622
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    How come you changed Graeme?

  3. #113
    Join Date
    Jan 1970
    Location
    NSW SW Slopes
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    11,475
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    Balance issues firstly at a tyre shop (3 visits) then the local garage so fitted my son's 19" D4 rims waiting for the local garage to get their rarely used m/c off a pallet and bolted to the floor. Today I spent 2 hours setting-up the wheels properly on the m/c and balancing them myself, checking that the previous inconsistencies at both places had been overcome. They're now 0-0 regardless of their position on the m/c so hopefully they will now be good.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  4. #114
    Join Date
    Jan 1970
    Location
    NSW SW Slopes
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    The persisting apparent balance issue is likely caused by a loose (RH) lower arm ball-joint, a known sensitivity with these vehicles with 20" rims and standard size tyres due to the servotronic valve in the rack, expecting more so with over-size and heavy LT tyres. The ball-joint may have been damaged during the wheel bearing replacement some time ago as I recall the mechanic commenting on the trouble releasing it and the obvious sledge-hammer use on the hub suggesting rough treatment.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  5. #115
    Join Date
    Jan 1970
    Location
    NSW SW Slopes
    Posts
    11,475
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    To close-out my experience with the KO2 in LT275/55R20, unbeknown to me so far 2 of the now removed tyres have splits around the upper sidewall on 1 side of each tyre and both of these tyres had developed quite an alarming hole in the tread near the edge on the side where the splits occurred, presumably from splits having opened-up. I have yet to check the other 3 tyres for splits although none have holes in their treads.
    Attached Images Attached Images
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

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