[s-cars] How Much Caliper Clearance?

[Steve Powers]

Add the spacers. Your setup exactly mirrors mine. It's too tight to
run without spacers but works wonderfully with them.

Steve

On Nov 21, 2007 5:04 PM, Matt twentyV <matt_20v at yahoo.com> wrote:
> Yep with the stock 16" avus rims and 993 calipers there is barely a paper
> thickness clearance.  After running this way for 1 winter, there were
> numerous circumferential scratches on the on the inside diameter of the rim,
> and matching scratches on the outer surface of the caliper.  Obviously the
> sand and grit which tends to collect on the inside of the rim was getting
> brushed by the caliper.
>
> Needless to say I switched to 17"s the following winter and moved the tires
> to different wheels for a different car.  Um, I still have the avus rims...
> any offers?  ;-)
>
> -Matt
>
> calvinlc at earthlink.net wrote:
> Steve,
>
> My tightest clearance isn't in the direction that spacers would help. It is
> in the radial direction, if you will. As the wheel goes around the inner
> circle formed by the wheel is only about 0.1 inches from the corner of the
> caliper.
>
> --Calvin
>
>
> -----Original Message-----
> From: s-car-list-bounces at audifans.com
> [mailto:s-car-list-bounces at audifans.com]On Behalf Of Steve Powers
> Sent: Wednesday, November 21, 2007 3:56 PM
> To: Taka Mizutani
> Cc: Audi S Car List
> Subject: Re: [s-cars] How Much Caliper Clearance?
>
>
> ditto to what Taka said. you want some clearance in there or else...
>
> I went with H&R spacers - 8 mm I think. easy solution.
>
> Steve Powers
>
> On Nov 21, 2007 5:35 AM, Taka Mizutani wrote:
> > I don't think it will necessarily cause a problem, but I have seen what
> > happens when a rock or other debris gets stuck in the wheel with that
> little
> > clearance- the caliper gets gouged and the wheel and caliper get really
> > ugly.
> >
> > My Volvo has huge brakes, but the clearances are more like 5-10mm in every
> > direction. I have not seen OEM brakes with less than that in terms of
> > clearance, but I am not an expert, this is merely conjecture. I can't say
> > whether or not it's safe/unsafe, etc.
> >
> > You could always get 18" snows. :-)
> >
> > Taka
> >
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