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Tyre to Wheel Arch Gap
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Author:  joejamo [ Thu Jan 28, 2016 7:29 pm ]
Post subject:  Tyre to Wheel Arch Gap

G'day,
I have removed my old sagging, super hard doughnuts and replaced them with "Fast Road" coil springs and Hi-Lo's I am wondering how high to set the road height, I did see somewhere a Mini side elevation showing heights, was it 50mm between tyre and each for fronts and 45mm for rears? any help appreciated,
Joe.

Author:  Paddy [ Thu Jan 28, 2016 7:45 pm ]
Post subject:  Re: Tyre to Wheel Arch Gap

I've got the fast road springs in my van and I set it to the wheel arch gap that was recommended, works great for me. 65mm rear, 50mm front, see the photo in the link (click on small one with the writing).

http://minisport.com.au/mini-coil-sprin ... rings-78mm

Author:  gtogreen1969 [ Thu Jan 28, 2016 7:49 pm ]
Post subject:  Re: Tyre to Wheel Arch Gap

I spent weeks trialing different heights for the road on my clubman. I wanted the lowest centre of gravity without bottoming out the exhaust and bumpstops. I took dozens of measurements but in the end it ended up being about 2 fingers at the front and 2 1/2 fingers at the rear. I gave the right side an extra 10mm in height to account for my 100kg. :D

Author:  joejamo [ Thu Jan 28, 2016 8:30 pm ]
Post subject:  Re: Tyre to Wheel Arch Gap

Hey thanks Fellas, that's the pic I saw so saved that and thanks for the whiskey measure tip as well, sorted, Joe.

Author:  9YaTaH [ Fri Jan 29, 2016 7:21 am ]
Post subject:  Re: Tyre to Wheel Arch Gap

gtogreen1969 wrote:
I spent weeks trialing different heights for the road on my clubman. I wanted the lowest centre of gravity without bottoming out the exhaust and bumpstops. I took dozens of measurements but in the end it ended up being about 2 fingers at the front and 2 1/2 fingers at the rear. I gave the right side an extra 10mm in height to account for my 100kg. :D


Excellent! I salute your two fingers :lol:

Author:  1071 S [ Fri Jan 29, 2016 8:05 am ]
Post subject:  Re: Tyre to Wheel Arch Gap

Make sure the inner end of the lower control arm is higher than the outer end....

Cheers, Ian

Author:  Convertible Mini [ Sat Jan 30, 2016 5:53 am ]
Post subject:  Re: Tyre to Wheel Arch Gap

Any one looking for a set of MST (Japanese) Fast Road Coil Springs I still have two sets left. PM me.

Author:  Phil 850 [ Sat Jan 30, 2016 7:31 am ]
Post subject:  Re: Tyre to Wheel Arch Gap

1071 S wrote:
Make sure the inner end of the lower control arm is higher than the outer end....

Cheers, Ian


Please explain :|

Author:  1071 S [ Sat Jan 30, 2016 8:39 am ]
Post subject:  Re: Tyre to Wheel Arch Gap

With the outer end lower, camber goes more negative as the suspension compresses (as the outer wheel is loaded in a turn). Thereby assisting front end grip in a turn. It also positively impacts front roll centre height...

And vice versa.......

Cheers, Ian

Author:  Phil 850 [ Sun Jan 31, 2016 6:42 am ]
Post subject:  Re: Tyre to Wheel Arch Gap

Thanks Ian
Makes sense. Do you know at what height it becomes horizontal.
People always say "lower is better" !

Phil

Author:  drmini in aust [ Sun Jan 31, 2016 8:18 am ]
Post subject:  Re: Tyre to Wheel Arch Gap

Regardless of whether it is hydro, cones or springs you want 3-4mm min clearance to the front bumpstops. Otherwise it will be skittish on mid corner bumps.

Author:  GR [ Sun Jan 31, 2016 9:58 am ]
Post subject:  Re: Tyre to Wheel Arch Gap

Hi Phill 850
Set your height at 5.1/4 INS to 5.3/8 INS from the ground up to the bottom of the subframe where the bottom are comes in and give your bump stops at least 12 to 13 mm clearance or it will be a hard ride.
Graham Russell

Author:  TK [ Sun Jan 31, 2016 1:10 pm ]
Post subject:  Re: Tyre to Wheel Arch Gap

you can always trim the bump stops too

Author:  drmini in aust [ Sun Jan 31, 2016 5:33 pm ]
Post subject:  Re: Tyre to Wheel Arch Gap

TK wrote:
you can always trim the bump stops too

Yeah but don't go too far. I took 4mm off my hydro ones.
With no bumpstops you can put bending loads into the balljoint pins.
No, I don't know the safe max removable.

Author:  Phil 850 [ Mon Feb 01, 2016 5:54 am ]
Post subject:  Re: Tyre to Wheel Arch Gap

Thanks GR
I'll have to get under and measure what I have

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