Menu toggle

Avon ZZ3 tyre DIY data results

franklin

PCGB Member
Member
I'm after other members experiences of the Avon ZZ3 to add to my experimental data. This is also for anyone interested in experimenting with chassis of the 3.2 Carrera for fast road or track use.

The ZZ3's have replaced the old (hard) Continentals and at £70.00 a corner not bad price/performance, especially in the wet as the Conti's were down to 4mm. I was surprised with the initial handling, whilst there was grip, turn-in wasn't as good. I expect this is due to the high tread blocks and potentially different sidewall stiffness to the Conti's. My advice is save spirited driving until you get used to the new boots and they wear a bit, common sense I know, but I wanted to see how much improved handling would be[8|]!

So far I have had some fun gathering tyre temperature, pressure and hardness data for a set of new Avon ZZ3's.

I'm writing up the experiment, but I have knocked-up the basic data in Excel as small PDF which I can email.

I think it makes interesting reading. For example how much the tyre pressure increases in relation to the tread temperature and how soft the tyre goes with heat.
It's interesting to see how marked the difference is between front and rear tyre temperatures. I collected average and across tyre temperatures which give an indication of how well/or not [:mad:] my geometry is setup (toe/camber).

I will post an update of my analysis soon with the current geometry setup. If there is any ZZ3 data out there, I would be most grateful. Thanks.
 
Sorry to put a possible downer on your thread but :

I had ZZ3's on my BM3 series coupe,and had to replace all four last month.

Couldnt get any more ZZ3's as I was told by 2 different suppliers that they had been discontinued. Also Avon had now been taken over by a company called Coopers, therefore all 'new' tyres will be branded Coopers not Avon.

Could it be that you have bought old stock?
 
Alan is right. Coopers are big in the US, don't know what they have planned for the Avon lads. I understand that Avon also sponsored formula Ford.

Experimenting and track days will mean the rears wear before fronts. I'll look for another set of good price/performance tyres when the time comes.
 
Alan is right. Coopers are big in the US, don't know what they have planned for the Avon lads.

I had a long and inpromptu guided tour of the factory today - as part of the business I manage

It's very impressive. The numbers are also impressive ££ millions invested....and a great more to come. Tripling of production volume etc etc

You want Kevlar ? You got it ... You want high speed ratings ? Again, all here.

Trouble is, CAT don't chase the OE market (Goodyear / Bridgestone etc) so rely on the 2ndary market for sales.

If you didn't know, they are big into Moto-GP, IRL and of course A1GP.

Worth a look perhaps

Having been involved in the Michelin plant in Stoke on Trent, some years back, this looked good - and lots more to come.
 
CAT's investment mentioned by Steve should give reassurance to Avon owners on how technical their tyres may be, especially with all that feedback coming back from the circuits. I'll attempt to contact CAT on the Avon to get some more technical for my experiment.
 
I could easily organise this...my contacts there are strong, but I would like to mention, that I'm currently in the middle of a relocation to the Cotswolds area of the UK, so have to look at logistics / timing etc.

Register ? Region ? - I suppose both would be interested.

W.r.t the wider issue, CAT are someone to watch. My knowledge of their facility suggest a massive increase in capability coming soon.

 

Posts made and opinions expressed are those of the individual forum members

Use of the Forum is subject to the Terms and Conditions

Disclaimer

The opinions expressed on this site are not necessarily those of the Club, who shall have no liability in respect of them or the accuracy of the content. The Club assumes no responsibility for any effects arising from errors or omissions.

Porsche Club Great Britain gives no warranties, guarantees or assurances and makes no representations or recommendations regarding any goods or services advertised on this site. It is the responsibility of visitors to satisfy themselves that goods and/or services supplied by any advertiser are bona fide and in no instance can the Porsche Club Great Britain be held responsible.

When responding to advertisements please ensure that you satisfy yourself of any applicable call charges on numbers not prefixed by usual "landline" STD Codes. Information can be obtained from the operator or the white pages. Before giving out ANY information regarding cars, or any other items for sale, please satisfy yourself that any potential purchaser is bona fide.

Directors of the Board of Porsche Club GB, Club Office Staff, Register Secretaries and Regional Organisers are often requested by Club members to provide information on matters connected with their cars and other matters referred to in the Club Rules. Such information, advice and assistance provided by such persons is given in good faith and is based on the personal experience and knowledge of the individual concerned.

Neither Porsche Club GB, nor any of the aforementioned, shall be under any liability in respect of any such information, advice or assistance given to members. Members are advised to consult qualified specialists for information, advice and assistance on matters connected with their cars at all times.

Back
Top