Dunlop Star Specs?
#1
Posted 05-27-2011 09:32 AM
Do you need to shave them to use them for HPDE's?
Could I use a tire like this in ITA in a pinch? (I'm already slow, so ultimate grip is not a concern )
Do you need to break these in/heat cycle them? Or just run then snot out of them till the cords show?
Joe
#2
Posted 05-27-2011 09:49 AM
#3
Posted 05-27-2011 02:45 PM
We run them in Chumpcar from full tread, no break in. I've been quite impressed...
Ditto.
Quick, predictable, durable, cheap.... what more could you want in a spec tire?
#4
Posted 05-27-2011 11:02 PM
#5
Posted 05-28-2011 08:38 AM
You might want to look at the Hankook RS-3 as well. They're a little more aggressive yet than the Star Specs, handle heat well, and are available in a 225/45-15 size. They wear like iron too. Not as good in the wet as the Star Specs though.
#6
Posted 06-08-2011 11:30 AM
#7
Posted 06-10-2011 11:01 AM
I'm doing DE events this year, in preparation for superschool in december, followed by w2w in '12. At the moment, I have a set of 205/50r15 Fuzion ZRi on the car. Essentially one step down from the StarSpecs. I saw a max sustained mid-corner G ~1.05 (air temp was 100.4, that day) at MSR-Cresson two weeks ago with this tire.
After the ZRi set is cooked, I've been contemplating what tire to move to next. Initially, I was thinking the Nitto. But was having the thought that maybe I should have another intermediate step instead of going straight to the Nitto. Perhaps using either the StarSpecs or the Hankooks as that intermediate tire.
Otoh, if I went straight to the nitto, I guess I could begin collecting data on a tire that is similar to the RA-1...on the fantasy that I'm anywhere good enough to tell that kind of a subtle difference. Oh, right...I'm not.
Thoughts?
-tch
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#8
Posted 06-10-2011 12:30 PM
-Cy
Supported by LTD Racing
2011 + 2013 NER STU Champion
#9
Posted 06-10-2011 04:15 PM
#10
Posted 06-10-2011 04:41 PM
The hankook looks very interesting. Does the 225 actually fit? I've rolled the fender lips using the BFH approach, rather than the wedge the basball bat method.
I'm doing DE events this year, in preparation for superschool in december, followed by w2w in '12. At the moment, I have a set of 205/50r15 Fuzion ZRi on the car. Essentially one step down from the StarSpecs. I saw a max sustained mid-corner G ~1.05 (air temp was 100.4, that day) at MSR-Cresson two weeks ago with this tire.
After the ZRi set is cooked, I've been contemplating what tire to move to next. Initially, I was thinking the Nitto. But was having the thought that maybe I should have another intermediate step instead of going straight to the Nitto. Perhaps using either the StarSpecs or the Hankooks as that intermediate tire.
Thoughts?
The 225 Hankooks are standard fare for STS autocrossers on 15x7.5" rims w/o rolling. They'll take advantage of an 8" rim if you have them.
We burned through a set of ZRi's at last weekend's 7 hr. Chump race at BIR. The Star Specs we switched to afterwards were a significant step up.
-Chris
#11
Posted 06-10-2011 08:40 PM
Tom, get the Nittos after your current tires go south. You should try to get up to speed on a tire similar to what you'll be racing on so you're not dog-slow when you begin racing on them. I'll get a few races on them next weekend at Lime Rock and will let you know what I think of them compared to Toyos.
Thanks, cy.
-tch
Build: www.tomhampton.info
video: vimeo.com/tomhampton
Support: X-Factor Racing
I didn't lose, I just got outspent!
#12
Posted 06-13-2011 10:13 AM
#13
Posted 06-21-2011 11:46 AM
Tom, get the Nittos after your current tires go south. You should try to get up to speed on a tire similar to what you'll be racing on so you're not dog-slow when you begin racing on them. I'll get a few races on them next weekend at Lime Rock and will let you know what I think of them compared to Toyos.
So, what's the verdict?
-tch
Build: www.tomhampton.info
video: vimeo.com/tomhampton
Support: X-Factor Racing
I didn't lose, I just got outspent!
#14
Posted 06-21-2011 03:03 PM
www.vimeo.com/25413139 at 15:48 for the howl from my friend's left front tire.
Overall I'd say it's a good tire to prep yourself for shaved RA1s, Tom, since the tire handles similarly and loses grip in the same manner. The turn-in response is just a nit-pick of mine.
-Cy
Supported by LTD Racing
2011 + 2013 NER STU Champion
#15
Posted 06-21-2011 08:16 PM
Alternatively, as they wear down to a thinner, lighter state they should be more similar?
I know others have said to go straight to the ra1, but they aren't easy to find and there is a significant price delta... supply and demand, you know.
I'd rather spend on safety gear, and reliability parts, and track time when I don't HAVE to have THE spec tire.
-tch
Build: www.tomhampton.info
video: vimeo.com/tomhampton
Support: X-Factor Racing
I didn't lose, I just got outspent!
#16
Posted 06-22-2011 02:22 AM
#17
Posted 06-22-2011 06:00 AM
http://mazdaracers.c...l=&fromsearch=1
Where according to Drago... it is exactly the same tire, except tread pattern. So, any setup notes in gather aren't a waste.
The second part, is the fact that I'm not that good, yet. If I started changing setups at this point, i would end up chasing my driving errors rather than the track.
I own zero setup gear, at this time. I know I have lots to learn, and I'm trying not to learn it all at once. When my lap times are limited by the car rather than ME, I'll start buying scales and stuff.
-tch
Build: www.tomhampton.info
video: vimeo.com/tomhampton
Support: X-Factor Racing
I didn't lose, I just got outspent!
#18
Posted 06-22-2011 06:34 AM
-Cy
Supported by LTD Racing
2011 + 2013 NER STU Champion
#19
Posted 06-22-2011 06:56 AM
Thanks, cy.
-tch
Build: www.tomhampton.info
video: vimeo.com/tomhampton
Support: X-Factor Racing
I didn't lose, I just got outspent!
#20
Posted 06-22-2011 11:07 AM
When I get to the point that I have specific setups for the tracks I run, and the tires are my limiting factor, I'll start spending a little more on good rubber. Right now I'm too poor for such things.
Joe
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