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Fat arch minis
https://ausmini.com/forums/viewtopic.php?f=2&t=93204
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Author:  LeylandMiniPhil98 [ Wed Jul 20, 2016 7:01 pm ]
Post subject:  Fat arch minis

Ok guys and gals, i have some 7x13 wheels for my mini when i finally finish it. Problem is while i have some fairly chunky discs and hubs for the front and inch wide stepped drums on the rear, its not wide enough for me. I dont necessarily want to go as far as group 5 or miglia arches, but i want my mini wider than group 2s. Im just wondering, seeing as spacers are illegal in queensland and i believe australia (correct me if im wrong), i am at a loss as to ways i can make my car wider. Short of putting mass amounts of camber on it and ruining the ride, i dont know what to do. Just wanting to see if anyone has suggestions or what others have done to make their minis wider?

Cheers in advance, Phil.

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Author:  fuzzy-hair-man [ Wed Jul 20, 2016 7:32 pm ]
Post subject:  Re: Fat arch minis

I remember something I read on 16v mini or the mini forum, there were several options;

Some used MGF? trailing arms which are offset further out apparently.

others were making their own arms (generally for coilovers)

Others had widened the subframe or constructed a new wider subframe.

Below is another option they use the standard trailing arm and frame but extend the stud and install a spacer on the arm.
http://www.16vminiclub.com/forums/showthread.php?t=34251&highlight=rear+trailing+arms

I'd all of these options in Australia would require engineering approval (significantly wider wheels need approval) so the best place to start might be by talking to an engineer.

Author:  LeylandMiniPhil98 [ Wed Jul 20, 2016 7:36 pm ]
Post subject:  Re: Fat arch minis

Hmmm i was hoping to avoid that, seems i have no choice i suppose. Im just curious because ive seen wide minis out and about and unless theyre all illegal, there has to be something theyre doing to make it wider...

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Author:  Harley [ Wed Jul 20, 2016 7:55 pm ]
Post subject:  Re: Fat arch minis

13x7 wheels with the brake combo you have is barely legal / possible not as is - in Aus we have a regulation on the width of the cars allowable track increase from standard. Next stage would be to find 13x8 wheels but after that nothing is legal / engineerable.

Can't compare to overseas cars - they don't work to our regulations.

Author:  LeylandMiniPhil98 [ Wed Jul 20, 2016 8:55 pm ]
Post subject:  Re: Fat arch minis

Im not comparing to overseas cars and i know my wheels are legal. Seeing several minis at shows with group 5 and miglia arches that are road legal gets me wondering how they did it. I wasnt thinking about it at that point so i didnt ask, ill have to this year...

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Author:  LeylandMiniPhil98 [ Wed Jul 20, 2016 8:58 pm ]
Post subject:  Re: Fat arch minis

Even so, i dont want 13x8 wheels. The only reason i have 13s is because the calipers are so big. 7 inches wide because i may aswell, what with the wheels already being so big. I imagine its going to be a bit difficult to turn at low speeds as is with these, i definitely wouldnt want to go bigger. I may end up changing the discs and calipers and switching to 12s or 10s at a later date purely because this is a daily, not a track day monster.

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Author:  fuzzy-hair-man [ Wed Jul 20, 2016 9:14 pm ]
Post subject:  Re: Fat arch minis

It's NSW but the regs are becoming more national, the pdf it'self says RTA but it's linked from the RMS(NSW reg) site:

http://www.rms.nsw.gov.au/documents/roads/safety-rules/standards/vsi-09-rev4.pdf

Author:  awdmoke [ Thu Jul 21, 2016 12:18 am ]
Post subject:  Re: Fat arch minis

I run 13x7s and quite wide flares.
Perhaps you need to look at the offset of your rims?

Author:  LeylandMiniPhil98 [ Thu Jul 21, 2016 6:44 pm ]
Post subject:  Re: Fat arch minis

Hmmm, theyre standard ultralites. Ive test fitted them and it seems like it only would stick out by about an inch and a half. Maybe its me but it doesnt seem like much. I dont want to go and buy the wrong flares you see. Ill have to test fit a few, see which ones ill need...thanks all the same guys.

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