02-05-2012, 03:44 PM
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#1
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Registered User
Join Date: Sep 2011
Location: Eureka, CA
Posts: 332
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Autocross R-Compound Tires???
Soo... Looking for 17" tires and I know most people not run either Hoosier A/R6's, or Kumho V710s... However, both of these have 225/45/17 available... Neither of them have 255/40/17 available, so what does everyone run???
I mean what other R-Compounds are actually competitive for comparable price?
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02-05-2012, 06:32 PM
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#2
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Track rat
Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
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Avon slicks
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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02-05-2012, 06:43 PM
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#3
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Registered User
Join Date: Sep 2011
Location: Eureka, CA
Posts: 332
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Quote:
Originally Posted by Topless
Avon slicks
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I don't believe you can run Slicks in stock class. I think they must meet DOT regulations.
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02-06-2012, 01:48 AM
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#4
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Rennzenn
Join Date: Feb 2005
Location: Virginia
Posts: 1,369
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Last year I was running Nitto NT-01 tires and had a very good season.
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02-06-2012, 06:59 PM
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#5
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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Quote:
Originally Posted by j.fro
Last year I was running Nitto NT-01 tires and had a very good season.
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I just started running NT-01's in December and love them. Reasonably priced too.
__________________
1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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02-08-2012, 12:44 PM
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#6
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Registered User
Join Date: Dec 2011
Location: SLC
Posts: 209
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The real question is how competitive are your regional events and how competitive are you.
The A6 will likely be among the fastest tires for Autocross, but they are expensive and don't last long. I noticed they now make a 225/40-17 which paired with a 245/40-17 would work on stock rims. The smaller diameter 245 would also give you a bit of a gearing advantage.
Now if you are really competitive you should get wider rims in a 17 or 18 and run at least least 245F and 275R.
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02-06-2012, 05:57 AM
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#7
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Track rat
Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
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Quote:
Originally Posted by Mrmaddbrad
I don't believe you can run Slicks in stock class. I think they must meet DOT regulations.
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Sorry, nobody mentioned stock class. 
__________________
2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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02-09-2012, 05:12 PM
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#8
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Registered User
Join Date: Aug 2011
Location: USA
Posts: 414
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Those A6's are awsome. The first time I put some on, I took FTD at the local auto-x against 911's, 'vettes, and heavily modified turbo civic. They are easily worth 3 whole seconds on a 60 second course compared to the "extreme performance Summer" tires (RS-3, AD08,StartSpec, RE-11)
__________________
Kippis
986S
991S
Van Diemen RF97
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02-09-2012, 09:46 PM
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#9
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Registered User
Join Date: Aug 2004
Location: Alta Loma, CA
Posts: 1,334
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A6 is top of the heap.. and running it 245 square works VERY well
Are you new at all this? Run the NT01's for a year before jumping to the go fast stuff!!
B
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02-10-2012, 06:22 AM
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#10
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Track rat
Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
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Quote:
Originally Posted by Brad Roberts
A6 is top of the heap.. and running it 245 square works VERY well
Are you new at all this? Run the NT01's for a year before jumping to the go fast stuff!!
B |
+1
One big spin in a parking lot AX on A6s and they will be flat spotted and useless. Throwing a $1400 set of fresh, flat spotted tires in the dumpster stings a bit.
__________________
2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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02-10-2012, 07:10 AM
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#11
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Registered User
Join Date: Jul 2005
Location: MA
Posts: 882
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No love for V710s?
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98 Arena Red 986
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02-10-2012, 11:52 AM
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#12
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Registered User
Join Date: Aug 2004
Location: Alta Loma, CA
Posts: 1,334
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I like the V710's.. they typically *only* win a handful of classes at the SCCA National's whereas the A6 cleans up (they do have some off years)
DOT R:
1.A6
2.710
Better?
B
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02-18-2012, 09:39 PM
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#13
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Registered User
Join Date: Sep 2011
Location: Eureka, CA
Posts: 332
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Haha I have raced other cars on R-Compounds and have raced with but V710's and A6's... lol
Umm... So what about running 245's all the way around and adding a huge front swaybar to eat up the ammense oversteer?? Eh?
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03-06-2012, 03:22 AM
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#14
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Registered User
Join Date: Dec 2011
Location: Finland
Posts: 270
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Are the Michelin Pilot Sport Cup or Toyo R888 not used in the US?
I was running the R888's but will now switch to the Pilot Sport Cup for the 2012 season.
__________________
Kroggers...
"Trying to drive a Boxster S for team CoolCava Racing!"
www.coolcavaracing.com | www.paulkrogdahl.com
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03-06-2012, 08:04 AM
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#15
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Track rat
Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
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Quote:
Originally Posted by Kroggers
Are the Michelin Pilot Sport Cup or Toyo R888 not used in the US?
I was running the R888's but will now switch to the Pilot Sport Cup for the 2012 season.
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888s are around but were unobtanium last year due to the tsunami in Japan. They are decent tires in the dry and good in the rain. MPSC are not very popular in Socal. They are similar in grip to NT01s, last 1/2 as long, and cost twice as much. NT01 offers a lot more bang for the buck.
__________________
2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
Last edited by Topless; 03-06-2012 at 08:44 AM.
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03-06-2012, 09:49 AM
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#16
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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Quote:
Originally Posted by Topless
888s are around but were unobtanium last year due to the tsunami in Japan. They are decent tires in the dry and good in the rain. MPSC are not very popular in Socal. They are similar in grip to NT01s, last 1/2 as long, and cost twice as much. NT01 offers a lot more bang for the buck.
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Agree. But if you're looking for a deal on tires check with the guys who ran Boxster Spec last year on R888's. The spec series moved to RE-1's this year and there are a lot of new or almost new R888's sitting in garages that can't be used. I picked up a set of R888's this way for much less than a set of NT-01's.
__________________
1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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03-06-2012, 10:47 AM
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#17
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Registered User
Join Date: Aug 2004
Location: Alta Loma, CA
Posts: 1,334
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Quote:
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888s are around but were unobtanium last year due to the tsunami in Japan
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Not true Just more BS being fed to you.
One person couldn't get tires from their typical supplier, so they switched to Hoosiers!!
The entire rest of the country managed to buy 888's no problem... hmm.. maybe there wasn't a problem Maybe the problem was SoCal? You know, the largest distribution of tires.. lol
The RA1's appear to be faster than the 888's. I really like the NT01's. Topless has them nailed down. I call him "King" of tire management.
B
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Lil Red
2009 Porsche Cayman 2.9L
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