Tyres

4.2 V8 32v Naturally Aspirated - 414 bhp
Porky
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Tyres

Post by Porky » Mon Nov 30, 2009 10:35 am

Having passed my MoT, with a bit of pleading and fluttering of the old eyelashes (if only it was that easy!) I do desperately need 4 new tyres... I have been looking at the ULTRAC SESSANTA 255/35R19Y
Vredesteins, having read up on here, but surely I need runflats?

When I look at a 255/35/19 runflat on www.mytyres.co.uk they don't seem to list any?

Surely I can't not have them, as there is no spare?

Please advise....you've seen the roads today, and I have 4 on the limit!

Will

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Post by P_G » Mon Nov 30, 2009 10:54 am

The RS4's never came with run flats from the factory, you have you can of gunk in the boot for that and a compressor so go for the normal tyres.

Ultrac Sessantas are a decent tyre and far better than the OEM Conti SC3's it came with, but all the same I'll be going back to Goodyear F1 Assymetrics after my Sessantas are finished.

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Post by Porky » Mon Nov 30, 2009 11:09 am

Ah, I thought they were run flats....

I'm going to give the Ultracs a go I think...

Cheers,

Will

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Post by scaghead » Mon Nov 30, 2009 11:15 am

me too [run flats]..you learn something new every day. i can go to bed now then..
R8 gen1 v10 plus white. Larini clubsport valved zorst.carbon side flicks,and fixed carbon spoiler.
Previous..RS4 Sprint blue loon..milltek non-res valved.revolution carbon air intake kit.cold air feed.carbon clean.MRC stage 2 remap..led interior lights.dectane led rear lights.led drls.Argon carbon oil splitter,race style front splitter,B and C door pillars and engine bottle cover..KW lowering springs.HEL brake lines all round.

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Post by MoRS6+ » Mon Nov 30, 2009 11:29 am

P_G wrote:..I'll be going back to Goodyear F1 Assymetrics after my Sessantas are finished.
Hi mate, just wondered how you'd rate the two tyres side-by-side having driven on both and why you want to go back to the F1s?

Reason I ask is because I myself currently have the Ultracs, and whilst excellent, might give the F1s a go next time around just to see what they are like (assuming they aren't massively dearer than the Ultracs at that time..)

Cheers,

Mo.

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sonny
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Post by sonny » Mon Nov 30, 2009 11:58 am

I loved the F1s Asymmetrics when I had them fitted, a massive improvement over the P-zeros, unfortunately I have only used these to model of tyres on the RS.
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Post by P_G » Mon Nov 30, 2009 2:07 pm

MoRS6+ wrote:
P_G wrote:..I'll be going back to Goodyear F1 Assymetrics after my Sessantas are finished.
Hi mate, just wondered how you'd rate the two tyres side-by-side having driven on both and why you want to go back to the F1s?

Reason I ask is because I myself currently have the Ultracs, and whilst excellent, might give the F1s a go next time around just to see what they are like (assuming they aren't massively dearer than the Ultracs at that time..)

Cheers,

Mo.
Like said the Ultracs are a good tyre and definitely value for money, however I do find that they are not as grippy as the F1's. Certain roundabouts I knew what speed I could get out of the F1's and the ultracs squeel a few mph less than the F1's adnd give up traction as well. Roads noise with them is more intrusive and on greasy surfaces the Ultracs don't bite as well. Plus I had huge balancing issues with them until I had them force matched. The one thing I am still testing is longevity, they are doing well but I got 19,000 miles our of my F1's so the Ultracs are going to have a tough job on their hands.

Far the sake of an extra £50 for 4x F1's I'll be going back to them.

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Post by MoRS6+ » Tue Dec 01, 2009 4:18 pm

P_G wrote:
MoRS6+ wrote:
P_G wrote:..I'll be going back to Goodyear F1 Assymetrics after my Sessantas are finished.
Hi mate, just wondered how you'd rate the two tyres side-by-side having driven on both and why you want to go back to the F1s?

Reason I ask is because I myself currently have the Ultracs, and whilst excellent, might give the F1s a go next time around just to see what they are like (assuming they aren't massively dearer than the Ultracs at that time..)

Cheers,

Mo.
Like said the Ultracs are a good tyre and definitely value for money, however I do find that they are not as grippy as the F1's. Certain roundabouts I knew what speed I could get out of the F1's and the ultracs squeel a few mph less than the F1's adnd give up traction as well. Roads noise with them is more intrusive and on greasy surfaces the Ultracs don't bite as well. Plus I had huge balancing issues with them until I had them force matched. The one thing I am still testing is longevity, they are doing well but I got 19,000 miles our of my F1's so the Ultracs are going to have a tough job on their hands.

Far the sake of an extra £50 for 4x F1's I'll be going back to them.
Cool. Thanks for that.

I must admit, the Ultracs will 'let go' on greasy roundabouts if you are too aggressive, but it is very predictable and controllable. But still, I might go for the F1s next time around just so that I can compare the two for myself.

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klauster
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Post by klauster » Tue Dec 01, 2009 5:32 pm

I have just bought another set of F1's, great tyres :)
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Post by karl » Tue Dec 01, 2009 5:41 pm

What size did you buy?

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Post by Porky » Wed Dec 02, 2009 10:51 am

I've gone for the Ultras 255/35/19, £647 delivered, I'll let you know how they are!

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Post by pippyrips » Wed Dec 02, 2009 11:36 am

I ran 255 P-zeros, 275 F1s ass & 275 sasantas on my car. I'd rate them:

1. F1s
2. Sasantas
distant 3rd. P-zeros

the F1's are a great tyre. I'd also recommend going with a 275 size as they are cheaper and give lots more alloy protection without any detriment to the handling..

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Post by P_G » Wed Dec 02, 2009 1:07 pm

Porky wrote:I've gone for the Ultras 255/35/19, £647 delivered, I'll let you know how they are!
That's nearly £25 per tyre more than the Ultrac 275's. Amazing.

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Post by Porky » Wed Dec 02, 2009 2:02 pm

P_G wrote:
Porky wrote:I've gone for the Ultras 255/35/19, £647 delivered, I'll let you know how they are!
That's nearly £25 per tyre more than the Ultrac 275's. Amazing.
There is no way I'm changing to a different tyre profile with this car. I've run stretched tyres etc on golfs, but I'm not messing with the 4wd system on a 400bhp RS4 by messing with profiles.

I know it's been covered before, but I'm sticking with manufacturer's recommendations on this one...

Will

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PetrolDave
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Post by PetrolDave » Wed Dec 02, 2009 2:55 pm

Porky wrote:I'm not messing with the 4wd system on a 400bhp RS4 by messing with profiles.
Changing all 4 tyres doesn't mess with the 4wd system; changing 1, 2 or 3 only could, but only if the turns per mile were significantly different.

You're missing a good tyre (and much better rim protection) for an unfounded fear.

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