Anyone running J8.5 x 18 rims & 25 mm lowered ?

[AGB-S3]

Anyone running J8.5 x 18 rims -25 mm ?

To keep rev/mile standard- 235/35/18 , this size run clear ? on 10 mm spaces all round , post about size catching , but at what -mm lowered ?
, road use what makes ?
at the moment it on 225/40 which is the minimum size
Tnx- Graham

 

[S3AMJ]

What’s the ET of the alloys? Standard is ET33 if my memory serves me right.


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[AGB-S3]

Ill check that , from memory, the increase was +/- from the mounting face, same as the standard 17 fit
- ill take a look ,

 

[AGB-S3]

Ill check that , from memory, the increase was +/- from the mounting face, same as the standard 17 fit
- ill take a look ,

Stamped ET 30 on the spokes

 

[S3AMJ]

Ok so using www.willtheyfit.com

It looks like the 18’s will be 9.7mm closer to the struts and 15.7.mm poke more. so with 10mm spacers that’s obviously +\- those measurements.

I’m currently ET35 9J x 18’s with 235/35/18 AD08R’s no spacers on the rears and 5mm spacers on the fronts and everything clears fine and doesn’t poke outside of the bodywork.

I’m using Bilstien B8 shocks and 25mm H&R lowering springs.


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[AGB-S3]

Ok so using www.willtheyfit.com

It looks like the 18’s will be 9.7mm closer to the struts and 15.7.mm poke more. so with 10mm spacers that’s obviously +\- those measurements.

I’m currently ET35 9J x 18’s with 235/35/18 AD08R’s no spacers on the rears and 5mm spacers on the fronts and everything clears fine and doesn’t poke outside of the bodywork.

I’m using Bilstien B8 shocks and 25mm H&R lowering springs.


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Ah , forgot to mention the struts , its running on Koni coil overs , quite small diameter compared to the standard sets, Assuming , then should be clear ? spacers are same all round, where on the standard 17's , one thing, the spokes only clear the brembo calipers [jumbo kit] by what looks like 1/4 inch

Using continental sports contact , 225 , but 235 looks to be a 'odd' size in terms of choice , I guess 235 is as big as you really want to go ?

Tnx-G

 

[S3AMJ]

Yeah I looked into running 245’s and that would of made my wheels scrub on front struts. I’ve got around 3mm clearance.


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[AGB-S3]

Not measured the gap and the wheels are off for the time being , 17 are on- but , if the standard rims are J 7.5
then , the 18 must be ~ 12 mm closer , can check that with the std 17 .. the 18/245 speed error is less as well
Tnx-G

 

[AGB-S3]

18/245

Checked , quite a large gap from the Koni struts to the wheel, so the 245 looks to be the best option
Q Tyre selection ?
Any thoughts , running round 300 Hp mark, quick road use , on conti-sports contact at the moment

Tnx-G

 

[S3AMJ]

Pilot sport 4’s are the usual go to for good all rounders or the new PS5’s I guess. Depends on budget really.


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[AGB-S3]

Reports talk about under steer , the continentals are reasonable, just put the original 17 inch wheels back with Nankang 225 NS-2R
quite precise , better drive out of corners , but very agricultural

One option would be 245/18 ns-r2 , may be there are more refined dual role tires these days ?

 

[S3AMJ]

I personally wouldn’t use NS-2R’s. Good for a little while, then utter *****. You get what you pay for with tyres I’m afraid.


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