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Thread: Widening Alloys

  1. #11
    Join Date
    Dec 2007
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    Ermington, Sydney
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    Quote Originally Posted by rayray086 View Post
    Imagine the different kinds of one-piece alloy wheels widened out...
    Hahahaha.....don't start Ray!
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  2. #12
    Join Date
    Sep 2005
    Location
    Adelaide
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    254
    It has been done, this is what i found when searching few weeks back.



    Its totally illegal, after much searching and phonecalls, I came to realise that no one in Australia would do it.
    Every shop I called would say the same thing. If it fell apart, I could be killed (expecially if hurtling along at 120+MPH).

    A performance shop in Sydney was able to orchestrate the work for me though. I had to go through them, and from there I now know the wheels were shipped to Labrador, Queensland to be done.
    (You might be able to work out who might have done it, as I since have, but am not going to name the place publicly).

    I specified that I wanted to extend the 8" wheel to 9".
    I could have gone as large as I wanted. I was thinking about 9.5" but didn't want to have clearance issues.

    As the process only affects the inside of the wheel, not the hub placement, you will need some spacers. I had custom spacers machined up.
    As my inner edge was now 25.4mm closer to the strut, I had 15mm spacers made, and then had to subsequently machine the right hand side in to be a 12.5mm spacer to stop rubbing.
    Guards were rolled aswell.

    As stated elsewhere, it was about $700 for the widening and shipment of two wheels. (this included the costs of two 17" wheels being cut up aswell - remember you need 4 wheels to make 2 wider ones).
    About $700 for two Mickey Thompson 17" 275's and I think $80 for custom spacers. Plus associated fitment of rubber costs aswell.
    Not exactly a cheap process. You could probably get two second hand 17" 3-piece simmons and then have appropriate offset in the width youu want made for the same money.

    I however wanted to be stealth, so chose the same alloy rims that I drive around with everyday.

    The alloy rims are precision welded on both sides of the rim, and in reality should be bloody strong.
    I only got them for drag racing, so figured that in a straight line, they would be reasonably safe. I definitely wouldn't do circuit work on them - but I am a bit of a worrier

    The performance shop reckoned they would be fine to use as a daily driver, but the roads in sydney are so bad, i'd never chance it.
    I do however (on my two trips to the drags) put them on at home, and don't need to worry about changing tyres.








  3. #13
    Join Date
    Sep 2006
    Location
    West Sydney
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    Ahhh - it looks like the inner section of the barrel is cut away for a wider piece and welded on? Looks similar to the way the guys in the UK widen their steelies (banding).

  4. #14
    Quote Originally Posted by intensem1 View Post
    Its totally illegal,
    For interest's sake, it's also illegal to redrill the PCD of wheel's too.

  5. #15
    Join Date
    Jun 2006
    Location
    Orange NSW
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    5,745
    Those wheels would be completely safe. The welds are even, have plently of penetration and also have no signs of contamination. Whoever did these wheels knew what they were doing.

    These kind of modifications are illegal because some people cut corners or attempt work that they are incapable of doing properly.

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  6. #16
    Join Date
    Jun 2007
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    Quote Originally Posted by golfworx View Post
    For interest's sake, it's also illegal to redrill the PCD of wheel's too.
    Do you mean things like re-drilled multistud wheels are illegal?


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  7. #17
    Quote Originally Posted by Jarred View Post
    Do you mean things like re-drilled multistud wheels are illegal?
    If you have a set of 4x112 & get them redrilled to anything incl. 4x100, it is illegal & unRWC.

    If you buy a set of multi-pattern wheel's as built by a manufacturer like weld wheel's etc., it's ok.

  8. #18
    Join Date
    Sep 2005
    Location
    Adelaide
    Posts
    254
    I’m simply quoting what was said on LS1 forums.

    There are many things outlined by Transport Groups Australia wide, and lots of legalities behind the fitment of any aftermarket wheels or modification to a vehicles track.

    While it is stated that the widening of wheels by means of a spacer/adapter is illegal.

    There is no mention/rule that, widening or redrilling an alloy wheel is illegal.

  9. #19
    Join Date
    Nov 2005
    Location
    Melbourne
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    this is true....

    dom

  10. #20

    Don't know about other states but,

    Take a closer look.

    "Weld's or any other type of repair or modification on wholly cast wheels or cast structural component's of wheel's are unacceptable".

    I also found that on car's equipped with diagonally split braking system, your not allowed to change the offset of your wheel's or change the track.

    Look's like all Mk1's have to retain the ET45. Ha ha. Yeh right!

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