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  #1  
Old February 14th 2011, 09:43
SilverBullet SilverBullet is offline
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225/40/18

Anyone with 225/40/18 tires up front? Seems abit large for the overall dia for the front, using 215/35/18 now and its time to change. Other options are 225/35, 245/35/18.
What say you guys? Btw the rear is 295/30/18.
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Old February 14th 2011, 14:01
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I'm running a 235/35/18 on 8.5" wide rims up front. 24.5" diameter with 3.24" section height.

I get some very slight rubbing on the headlight bucket, but can raise the front suspension about another 1/2" to take care of this.

Rears are 265/35/18 on 10" wide rims, but changing to 285/30/18 this summer.

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Old February 14th 2011, 23:49
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Thanks Sandeep, the tire shops here mainly carries the more common sizes, so I have to wait and it's going to cost more. What tire brand are you using?
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Old February 15th 2011, 08:53
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Pirelli P Zero currently, but changing to Conti Extreme Contact DW due to age on the P Zeros.

Sandeep
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Old February 16th 2011, 04:06
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Will go P zeros, the overall dia for their tyres/tires seems to be slightly smaller than the rest of the brands. their 245/35/18 24.5", the usual 24.8". Thanks Sandeep.
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Old February 17th 2011, 16:35
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I run 225/40/18 up front on 7,5" rims

Tire is a Kumho semi-slick, not available in 35-series...hence the 40 height.
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Old February 17th 2011, 17:47
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Hi

I have 225/40x18 on 8 inch rims, they are Federal 595 RS-R they are a semi slick sport comp tyre. I have them on another bug in 215/40x17 and I'm very please with them.

Steve
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Old February 17th 2011, 21:43
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I had 225/40 18s all round on my bug for a brief period.

Left that size on the back but fronts rubbed like noones buisness so dropped back to 215/35.

I'll see if I can dig up pics later.
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Old February 18th 2011, 10:50
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Thanks Guys for the replies. I tried the 225/40 and it does touch the fender, didnt want to use less spacers as wanted the wheel to be in just about 10-15mm from the fender lip. I have 6cm flared fenders front and the 215 just dont do justice! ha! need some wide tires/tyres!
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Old February 19th 2011, 00:13
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What do these cars ride like with such low profile tires? Folks from another forum I'm on speaks of the ride quality deteriorating to a near intolerable point with the balljoint front suspension.

Last edited by DORIGTT; February 19th 2011 at 00:41.
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Old February 19th 2011, 06:35
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Quote:
Originally Posted by DORIGTT View Post
.... with the balljoint front suspension.
but we have SPRINGS

My front I actually find still too soft and will eventually go with even stiffer front springs.
Just to give you an idea
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Old February 19th 2011, 10:44
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Running koni yellow adjustables from the top from kerscher and their rear kw coilovers, softest setting at the front and mid at the rear, its comfortable enuf. But when set to the hardest, its a bone shaker!!
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Old February 21st 2011, 00:51
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Quote:
Originally Posted by DORIGTT View Post
What do these cars ride like with such low profile tires? Folks from another forum I'm on speaks of the ride quality deteriorating to a near intolerable point with the balljoint front suspension.
I was pleasantly surprised by mine when I swapped to the 18" 35 series tyres
I was expecting a horrible rough ride but after nearly 2 years that I ran them I had no real complaints.

Roads with bad corrigations were abit more noticable but the biggest concern was buckling the rim on bad potholes or road joints.

As Wally said on a super it would be alot better, they would absorb the bumps alot smoother.
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Old March 3rd 2011, 06:32
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Whats the difference between hard shocks (ie koni yellow, pss9..) and stiffer springs? How does one juggle between the two? Thanks Guys.


Quote:
Originally Posted by Wally View Post
but we have SPRINGS

My front I actually find still too soft and will eventually go with even stiffer front springs.
Just to give you an idea
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Old March 3rd 2011, 07:21
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I think complete books have been written on that subject and complete R&D departments are dedicated finding the 'right' combination...

I' am sure SteveC will have something smart to say about this though

My personal take is that the springs are there to provide the correct stiffness for a given acceptable body movement and the shocks are only there to regulate the rebounce of the springs.
Stiffer spring will mean a fitting shock setting, not the other way around:
When your shocks are going to take over the spring's task, your on the wrong path...which is seen quite often as shocks can sometimes be adjusted but springs cannot, so some people tend to make the shocks stiffer but actually wanted something that the springs are supposed to do for you like less overhang, less diving under braking etc. The resultant stiffer shock setting makes it a bumpy ride with worse handling instead of what was intended...
Adjustable shocks are there to adjust to your spring to, not to make a stiffer suspension!!
Just my personal 2 cents on the subject and way off topic on the subject of low profile tires...
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