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9 Nov 2010, 18:47 (Ref:2787700) | #76 | |
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It really depends on the tyres. I've driven the same car on both the original fit supposedly performance(read stupidly expensive) tyres on track which were crap and went off within 5 laps and also with budget performance (third of the price of originals) which were much better. The budget tyres didn't go off, gave the same amount of grip and feel throughout a 20minute session and outlasted the car many thousands of miles later. I even did one trackday trying to kill them by excessively drifting and lighting them up
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CSCC Swinging Sixties #128 Red/Black Mustang |
9 Nov 2010, 19:16 (Ref:2787713) | #77 | ||
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Ran out of talent eh Zef?
FISC was run on road tyres - £160/set, buffed, fitted & balanced. 130 bhp in 650kg car, it was quite good fun. But you had to get the line right first time and it concentrated the mind The Monty was on Proxes list 1 for the 6 hours, and I was able to hold most people through the quick corners. |
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Midgetman - known as Max Tyler to the world. MaxAttaq! |
9 Nov 2010, 20:05 (Ref:2787736) | #78 | |
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when I said road tyres I meant road tyres, not race tyres that are road legal, like yokibear tyres HRS use for example
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9 Nov 2010, 20:53 (Ref:2787756) | #79 | ||
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So did I........List 1a tyres I should have typed!
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Midgetman - known as Max Tyler to the world. MaxAttaq! |
9 Nov 2010, 23:59 (Ref:2787845) | #80 | |
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Me too, bought from our local Kwik Fit.
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CSCC Swinging Sixties #128 Red/Black Mustang |
10 Nov 2010, 00:02 (Ref:2787846) | #81 | ||
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a salary slave no more... |
10 Nov 2010, 02:21 (Ref:2787879) | #82 | |||
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Quote:
I'm just hypothesizing here, as I haven't actually raced on 'normal' road tyres - but I have driven a trackday on bog standard road tyres in a fairly powerful (albeit lightweight) RWD car, and I was deliberately hanging the tail out and sliding it round - and it didn't kill the cheapo tyres that were fitted. But they did only start with about 4mm of tread, so maybe that's the key? |
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10 Nov 2010, 08:18 (Ref:2787938) | #83 | ||
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We buffed them to 1mm, which grieved me. If we left them at standard tread depth they wore out very, very quickly. And the grip was less as the tread blocks moved around, think driving on racing wets in the dry.
At 1mm they lasted for ages. |
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Midgetman - known as Max Tyler to the world. MaxAttaq! |
10 Nov 2010, 09:26 (Ref:2787962) | #84 | |
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so that would explain why Dunlops lookshagged almost immediately, but once they're 'run in' they last yonks . . .even if they do go a bit hard!
I've seen the odd one down to the canvas! |
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10 Nov 2010, 11:59 (Ref:2788010) | #85 | ||
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I had some Dunlop D84's down to the canvas no problem, but they were rock hard also!
But when I tried to get the same 'value for money' from Yoko AO48's, they blew out on me! Very unreasonable of them, I thought... |
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10 Nov 2010, 12:54 (Ref:2788040) | #86 | |
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We used to use control Vredestein road tyres with the JEC saloons, I first used them unbuffed and the shoulder wear was horrendous, they only lasted a couple of meetings and grip was tenuous. However, buffed to 4mm they would last all season and handled much better. I found that temps/pressures were much more unpredictable with unbuffed tyres which suggests they also heat up much quicker.
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Semper ubi sub ubi |
10 Nov 2010, 13:01 (Ref:2788049) | #87 | ||
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As you may know, I also teach on a skid car - you know, Mondeo bolted on a frame. We use 2nd hand tyres on this for obvious reasons. But one set of wheels I bought had nearly new tyres on. After one session they looked exactly the same as the ones that were sold as "illegal for road use" and they stayed at that level for the same length of time as the "illegal" ones.
Proof if proof were needed of the merits of buffing. If anyone races on 185/60/14 wheels, I'll buff em for free for you LOL BTW with the FISC tyres the grip level was so uniform (read bad) throughout their life that you could get away with changing just one tyre if there was (much) canvas showing. Last edited by midgetman; 10 Nov 2010 at 13:01. Reason: typo |
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Midgetman - known as Max Tyler to the world. MaxAttaq! |
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