Dunlop Direzza 03g r1

If you race your Atom or use it hard on track, here's a place to discuss strategy and swap tips.
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Monza
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Re: Dunlop Direzza 03g r1

Post by Monza » Tue May 17, 2016 8:20 pm

it looks like the gumm we can see is not the one of your tyre but the gumm you collect on the track bonded on your tyres  ;D
Jean-Pascal
Atom 3.5 310 Honda LHD

Craig Sams

Re: Dunlop Direzza 03g r1

Post by Craig Sams » Tue May 17, 2016 8:25 pm

Never seen tyres so bad, would seriously look at whats going on here, either a tyre defect or pressure issue!

Razzele

Re: Dunlop Direzza 03g r1

Post by Razzele » Tue May 17, 2016 8:27 pm

[quote="Monza"]
it looks like the gumm we can see is not the one of your tyre but the gumm you collect on the track bonded on your tyres  ;D
[/quote]

i kind of thought that but i don’t think my lines are that bad !!!

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Monza
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Re: Dunlop Direzza 03g r1

Post by Monza » Tue May 17, 2016 8:29 pm

if you collect some gumm one or two times with wrong pressure/T°, it'll bond to your tyres ;-)
Jean-Pascal
Atom 3.5 310 Honda LHD

Razzele

Re: Dunlop Direzza 03g r1

Post by Razzele » Tue May 17, 2016 8:32 pm

[quote="Craig Sams"]
Never seen tyres so bad, would seriously look at whats going on here, either a tyre defect or pressure issue!
[/quote]

16psi felt ok handling wise, maybe i over did it session time wise but there was no indication of the tyres going off and losing grip.

Maybe this tyre isn’t suited to atoms ?

I’ll try and buy a set of a048s as they seem popular. Any suggestions on where to find a pair of 225/45/16 medium compound A048s ?

Razzele

Re: Dunlop Direzza 03g r1

Post by Razzele » Tue May 17, 2016 8:34 pm

[quote="Monza"]
if you collect some gumm one or two times with wrong pressure/T°, it'll bond to your tyres ;-)
[/quote]

Sorry i don’t think i quite understand, could you explain your statement more please ?

:tu:

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Monza
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Re: Dunlop Direzza 03g r1

Post by Monza » Tue May 17, 2016 8:47 pm

sorry, i'm French  ;)
the gumm on track that you can collect on your tyres during driving will bond or not on tyres depending of your tyre Temperature. And if it bonds it can be dispatch all over your tyre. Never has this on Yoko or Toyo on my Atoms but on race slicks (not on an Atom), yes.
Perhaps it's not this phenomen on your tyre but you can test it with trying to peel some part of gumm (i'm not speaking of the gumm that is on the edges of your tyres). It's look like the surface is dirty and not regular ("lisse" as we say in french).
Jean-Pascal
Atom 3.5 310 Honda LHD

Razzele

Re: Dunlop Direzza 03g r1

Post by Razzele » Tue May 17, 2016 9:12 pm

Thanks, i think i follow you. We call that ‘pickup’. Hot tyres collecting the pieces of rubber from the dirty part of the track.

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Monza
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Re: Dunlop Direzza 03g r1

Post by Monza » Tue May 17, 2016 9:16 pm

yes , pickup.
Jean-Pascal
Atom 3.5 310 Honda LHD

Razzele

Re: Dunlop Direzza 03g r1

Post by Razzele » Tue May 17, 2016 9:59 pm

So now that we have that established.

What are the fastest (and available) tyres ?

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