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Old 07-14-2008, 03:55 AM   #1
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Exclamation tyres @ west london track help

Hi i race at west london (wlrc) and I was wondering what tyre with wich insert do you use because i heard that tyre can help alot like 3 sec fater .
I used to use CS27 pre glued but now i run sorex 28r i have some 32r but never tried them all these tyres where used for summer series but never raced winter series .
If any of you could tell me wich tyres are the best for summer and for winter and from where i could buy them.
Thanks.
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Old 07-14-2008, 04:17 AM   #2
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You'll probably get a quicker response here as its a link to a uk forum with a sub forum for the WL club:

http://www.rcracechat.com/vb/forumdisplay.php?f=56

if not, have a look through the other topics for indicators of what other people are using.....

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Old 07-14-2008, 04:55 AM   #3
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My understanding of inserts generally follows this..

- Harder insert for smoother tracks
- Softer insert for bumpier tracks
- Harder insert for higher speed tracks
- Softer inserts for lower speed tracks
- Thicker inserts for cooler temps
- Thinner inserts for warmer temps

Presuming I am correct (others may have a different understanding as myself) but for the colder months i would opt for thicker inserts.

The theory here being that the thicker insert holds more temp in the tyre. The thinner inserts have a larger air gap between the rubber and the insert and allows for the tyre to stay cool (or cool down).

You probably want to work out which tyre/insert combination gives you the best grip and tyre wear, with one being a trade-off of the other.

I am still on the search for the answers here myself, so I'd be interested to hear other people's ideas!

-Mark
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Old 07-15-2008, 02:06 AM   #4
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I race at WLRC and use Sorex 28/32 or even 36 on hot days (the three of them we have per year in England)

During the cold weather though, people were using CS22's last year. Not too sure what will be used this winter though.
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Old 07-15-2008, 02:59 PM   #5
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Quote:
Originally Posted by cyclone speed View Post
Hi i race at west london (wlrc) and I was wondering what tyre with wich insert do you use because i heard that tyre can help alot like 3 sec fater .
I used to use CS27 pre glued but now i run sorex 28r i have some 32r but never tried them all these tyres where used for summer series but never raced winter series .
If any of you could tell me wich tyres are the best for summer and for winter and from where i could buy them.
Thanks.
I found Sorex 32R's and LRP VTEC 27's are very good, but both are slower after their first run, but only by 0.2s or so.

You won't gain 3 secs per lap unless there is a serious problem with the tyres you were using.

A lot of people now run pre-builts as those are most common for the different race series.

I quite liek the RP24's as well.
Make sure you have tyre warmers that you can set to different temps.

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Old 07-16-2008, 10:34 AM   #6
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Quote:
Originally Posted by chris_dono View Post
I race at WLRC and use Sorex 28/32 or even 36 on hot days (the three of them we have per year in England)

During the cold weather though, people were using CS22's last year. Not too sure what will be used this winter though.
when you use sorex 28 or 32 are they pre built ?
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Old 07-16-2008, 11:05 AM   #7
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Yes, yes they are.

I normally use Sorex 28's in Pro stock, only time i used Vtec 27's was at the KO, but they where brilliant (for one run).

Cant seem to get Vtec's these days though, (heard they are coming back though).
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