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  #1  
Old August 14th 2006, 12:31
02cab 02cab is offline
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tyre sizes for cup alloys

what size tyres you guys running with 17" alloys?

ive got cup 3s going a 1302 cab,alloys just arrived

cheers
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  #2  
Old August 14th 2006, 14:55
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ricola ricola is offline
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I'm running 205/50R17 on my 1303 cab, but I think most people run 205/40. I wanted longer overall gearing and a bit more comfort for use 4 up, it's the standard size used on the front of a lot of Porsches.. The other bonus for me is that it will also match the Subaru rolling diameter for the instrument cluster I'm using.

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  #3  
Old August 15th 2006, 02:55
LLVWGL LLVWGL is offline
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I am running 205/40/17 on my 7" and 255/40/17 on my 9" cup II's.
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  #4  
Old August 15th 2006, 11:55
flat flat is offline
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205/40 on the 7's, and 234/45 (A little euro-stretch) on the 9's.

On my Super with 17x7's (Tune rims, not P-car) all around, I'm running 205/50's.

Lanner
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  #5  
Old September 13th 2006, 18:50
02cab 02cab is offline
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thanks guys

looks like the 205/40s all round although these are millie miglias and are 17 x 7.5 so will the 205s still be ok being 1/2" wider wheel

also i have 23et for rear (was told these bolt on) and 52et for front(need a 10mm spacer) would this be correct?

thanks
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  #6  
Old September 17th 2006, 05:50
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MattKab MattKab is offline
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215/40 and 215/45 on 7.5et52mm under Day Mouldings. Probably the absolute limit, the front is tight with a wheel alignment for cornering such as 2deg -ve camber. Inner sidewall is ~4mm from a 80mm coil, maybe less at the wing.

The rear (also et52mm) is just as tight when the wheel is close to verticle, about 0.75deg -ve.

944 steel arms rear and 951 stubs at the front. No spacers or apapters.

A wheel this size with et23mm on a stock rear drum will be just as tight, the 205/40 'should' make it easier.

BEWARE! Tyre shoulder sizes are not all the same shape and size for a given tyre size, It depends on the make, more on the original application.

I went from 225/45 F1's on the rear as I had to run ~1.5deg -ve camber, I borrowed a pair of 215/45 Pirelli's (P-zero, I think..) clearance was perfect, So I bought my 215/40 F1's and it was tight again ~6mm difference at the wheel arch.

Matt
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  #7  
Old September 24th 2006, 16:48
02cab 02cab is offline
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thanks for the info Matt

:agree:
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  #8  
Old September 25th 2006, 13:10
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Chisel86 Chisel86 is offline
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I'm using 215/40/17 frt and 225/45/17 rear on 7.5" wide cups. Kuhmo estca 712 (not sure if they still make 'em though) fits just perfect in the rear with stock fenders and susp. (trailing arms, etc.). Front has about 3/16" - 1/4" clearance to the max spring assy. running a 3/8" spacer.
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  #9  
Old February 13th 2007, 01:08
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GRMNLK GRMNLK is offline
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17x7.5 Cup 3 replica 205/40 front and 215/45 rears Conti-Extreme-Contact
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  #10  
Old February 14th 2007, 09:36
Adam Lee Adam Lee is offline
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I run 205/40/17's and 215/45/17's on 7" wide cups...

[IMG]~original[/IMG]
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  #11  
Old February 16th 2007, 07:16
alanhughes alanhughes is offline
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adam,

what brake and suspension set up are you running? discs or drums? spacers etc?

cheers
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  #12  
Old February 16th 2007, 09:33
Adam Lee Adam Lee is offline
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Quote:
Originally Posted by alanhughes View Post
adam,

what brake and suspension set up are you running? discs or drums? spacers etc?

cheers
The car runs standard link pin and swing axel suspension, front brakes consist of CB spindles with post 68 beetle standard-ish discs and calipers and the rear s sit on long axels and are a mixture of Porsche 914 discs with Golf GTI calipers. No spacers were needed. The wheels are genuine with an ET55 offset. Hope this helps!

Are you doing something similar?
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