Supersprint1988 Posted February 21, 2014 Share Posted February 21, 2014 Comes in A60 and A24. Quoting Avon: A60 MEDIUM COMPOUND FOR SALOON CAR CIRCUIT SLICK APPLICATIONS. A24 MEDIUM COMPOUND FOR SINGLE SEATER, SPORTSCAR AND SIDECAR CIRCUIT SLICK APPLICATIONS. I believe the ones CC sell are A60 but I'm not sure. What compound do the good people of BC recommend for track day use. Cheers *wavey* Carsten Edited by - Supersprint1988 on 21 Feb 2014 14:49:09 Edited by - Supersprint1988 on 24 Feb 2014 12:17:04 Link to comment Share on other sites More sharing options...
Support Team Shaun_E Posted February 21, 2014 Support Team Share Posted February 21, 2014 You'll want A60. 😶🌫️ A24 is the sprint/hillclimb spec Link to comment Share on other sites More sharing options...
Pendennis Posted February 21, 2014 Share Posted February 21, 2014 Think your find you can't get any of the A60 medium compound for a week or so whilst Avon re configure it's construction. When they become available again they should be better than before, apparently Link to comment Share on other sites More sharing options...
Supersprint1988 Posted February 24, 2014 Author Share Posted February 24, 2014 Just spoken to CC The ones they sell now are for the front 15156M A64 and for the rear 15157M A60 compound. Link to comment Share on other sites More sharing options...
Pendennis Posted February 24, 2014 Share Posted February 24, 2014 In stock? Link to comment Share on other sites More sharing options...
2GBR Posted February 24, 2014 Share Posted February 24, 2014 Excellent a harder compound for the front this will help the race cars Link to comment Share on other sites More sharing options...
Pendennis Posted February 24, 2014 Share Posted February 24, 2014 Not sure it's changes to compound Gerry, more like construction as the new tyre requires less camber Link to comment Share on other sites More sharing options...
2GBR Posted February 24, 2014 Share Posted February 24, 2014 Presume this has been done on feed back from the racers re loosing the outside edge regardless as to how much neg you run Link to comment Share on other sites More sharing options...
robmar Posted February 25, 2014 Share Posted February 25, 2014 a higher number doesn't always mean a harder tyre avon motorsport tyre compounds no mention of A64 compound rob Link to comment Share on other sites More sharing options...
2GBR Posted February 25, 2014 Share Posted February 25, 2014 Just working on an assumption which is very dangerous A24 = sprint/hill climb A60 = road/race (outer edges dissapear even with loads of neg) so would assume A64 could be harder/change of carcass to reduce outer edge wear Link to comment Share on other sites More sharing options...
robmar Posted February 25, 2014 Share Posted February 25, 2014 from the sounds of it, and you are closer to the racers etc. I suspect you could be right Link to comment Share on other sites More sharing options...
Supersprint1988 Posted February 25, 2014 Author Share Posted February 25, 2014 Just spoke to my local Avon dealer who has the details on the new A64 compound. Avon descibes it as slightly harder than the A60 so your theories seems right. What camber angle do people use for the A60 compound ( on track ) ? Link to comment Share on other sites More sharing options...
Pendennis Posted February 25, 2014 Share Posted February 25, 2014 These new batch are hoping to perform at 3.5 front and 2 rear, the previous apparently need as much as 5 on the front. But those are race settings which may not need to be so aggressive for general road and track use, your best experimenting yourself if that's the case. Link to comment Share on other sites More sharing options...
jchasey Posted March 28, 2014 Share Posted March 28, 2014 Any recommendations on appropriate pressure for the ZZRs when racing? Just bought a new set for the BARC SE Rockingham race next week... John Link to comment Share on other sites More sharing options...
Julian H Posted May 10, 2015 Share Posted May 10, 2015 HiI have just fitted my ZZRs. Trying to check exactly what I have got. What are the correct codes on the tyres that reveal the compound?Fronts are 185/55R13 83W, rears are 215/55R13 88W and have loads of numbers/codes on them but nothing remotely like 15156M and 15157M?Thanks, Julian Link to comment Share on other sites More sharing options...
Mark w Posted May 13, 2015 Share Posted May 13, 2015 JulianAre you looking on the correct side wall ?I have a new set to fit at the weekend and was looking at them last night , they definately have 15156M and 15157M stamped on them , but only on one side of the tyre . Link to comment Share on other sites More sharing options...
Julian H Posted May 13, 2015 Share Posted May 13, 2015 Hi MarkThanks, found it. Just didnt know what I was looking for ... but neither of mine have M after the codes. Do you think that is significant? Do you think mine might not be medium compound?BTW, these tyres are amazing compared to ZZS and even CR500's. Does anyone use these as their normal road tyre and just take it really easily if it rains? The payback in the dry is astonishing!J Link to comment Share on other sites More sharing options...
Pendennis Posted May 13, 2015 Share Posted May 13, 2015 Julian do you still have the sticky label that was on the tyres? The tyres themselves do not state M just the number Link to comment Share on other sites More sharing options...
Julian H Posted May 13, 2015 Share Posted May 13, 2015 HiRegretfully, I don't. Does the load index give the game away? 83W and 88W.I have looked on Avons website but can't find an answer.Cheers, J Link to comment Share on other sites More sharing options...
Pendennis Posted May 13, 2015 Share Posted May 13, 2015 Yes Julian, you will have standard medium compounds that I am sure Link to comment Share on other sites More sharing options...
Julian H Posted May 13, 2015 Share Posted May 13, 2015 Phew, thanks. This is the first time I have driven on such "slick" tyres; the improvement was so huge over the ZZS I was worried I had something super sticky that might only last a few hundred miles! Link to comment Share on other sites More sharing options...
Pendennis Posted May 14, 2015 Share Posted May 14, 2015 Surprised to read yuour comments that they are huge improvement of the ZZS as they've only JUST come out and I thought they were supposed top be great as well? Do you mean ZZS?PS. ZZR cold 16-17psig Link to comment Share on other sites More sharing options...
Julian H Posted May 15, 2015 Share Posted May 15, 2015 HiI have had ZZS for a couple of months and have now done around 750 miles on them. The ZZRs have done possibly 250miles. Over the last year I did around 6k on CR500. The ZZS seem to have similar grip levels to the CR500, but seem stiffer generally, on bends with uneven surfaces the back has become alarmingly unsettled at times, roads where the CR500 had no such problem. The ZZR has better overall grip at speed than both with much more pointed turn in. The compliance I missed on the ZZS compared to the CR500 also seems improved with ZZR.Thats all three at 17/18psi cold, road use only.Cheers Link to comment Share on other sites More sharing options...
6speedmanual Posted May 15, 2015 Share Posted May 15, 2015 I've just sold off my recently purchased ZZR and gone back to CR500. Welcome back to ability to handle pattery broken surfaces, ride quality, turn-in and grip a plenty. Not having any empirical measurement of cornering power between the two, but the nose turns i to corners a lot more willingly on the CR500s. Steering lighter, more pricise and better mid-bend adjustability.... Yumm :) Link to comment Share on other sites More sharing options...
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