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Big break question.

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Old Aug 21, 2003 | 02:27 PM
  #1  
Fraser@PNS now w/S6's Avatar
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Default Big break question.

What is the minimum gap that I should have between the caliper and the wheel? Or if it fits it it ok?
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Old Aug 21, 2003 | 07:00 PM
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paging Mike O. =) your department
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Old Aug 21, 2003 | 11:43 PM
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Default Ive seen a ~2mm Gap when cold between the calliper and wheel spoke

SSR Gt3's. It was smaller when hot, just enough to slip a dollar through. But then again ive seen setups with more gap with series signs of interference ( tri sport egineering, with mazda protoge's (sp?) alcon calipers and SSR comp wheels).
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Old Aug 22, 2003 | 05:58 AM
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Default With good wheels a business card will suffice, all of the others better to keep at about

1/8th". If it's just touching you can grind some off the calipers as they are quite thick.
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Old Aug 22, 2003 | 06:20 AM
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Default 1.5mm was too little for me.

Bearings will allow for that much deflection and cause interference with the wheel. I know for a fact that 1.5mm didn't cut it.

I wouldn't go any lower than 5mm myself.

Mike O.
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Old Aug 22, 2003 | 06:34 AM
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Default Re: With good wheels a business card will suffice, all of the others better to keep at about

Yup, I've actually had no problems with either set of ATS wheels I have on the Coupe fitting over the 993's. The 16" wheel is a dime's width away from the caliper radially, whereas the the 17" wheel is extremely close axially. No marks on the caliper body from the wheels...
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Old Aug 22, 2003 | 07:01 AM
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Default Re: 5mm? 2.5mm is plenty of room! ;O)

<center><img src="http://home.ec.rr.com/miktip/Alcons22.jpg"></center><p>
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Old Aug 24, 2003 | 10:46 AM
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Default I've got about 2mm between my calipers and wheels

never had a problem with deflection, here's a pic:

<a href="http://www.vandussen.com/audi/08040010.JPG">Side Shot</a>

<a href="http://www.vandussen.com/audi/08040011.JPG">Close Up</a>

Wheels are 17x8 BBS RK's, calipers are Porsche 996 on OEM S4 Rotors. No wheel spacers.
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Old Aug 26, 2003 | 03:21 PM
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Default Re: 5mm? 2.5mm is plenty of room! ;O)

Hey Mike O., I see in one of your pictures there is a plastic cap on your jack head. Where did you get that cap? I am worried about using a roll away jack on my car, that cap looks like the solution.
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