 Yokohoma A032Rs, Hard or soft compound? |
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| DanT |
 Jan 20 2006, 12:49 AM
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#1
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Going back to the Dark Side!  Group: Members Posts: 4,300 Joined: 4-October 04 From: Auburn, CA Member No.: 2,880 Region Association: None  |
For a 2.0L 914 folks that have used this tire, have you used soft or hard compound?
AX/TT What temps did you run your events in. Ambient temps...high (85+) or low (<70)? (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif) |
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| VegasRacer |
Jan 20 2006, 12:59 AM
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#2
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ELVIRA Group: Benefactors Posts: 8,503 Joined: 27-March 03 From: Between Scylla and Charybdis Member No.: 481 Region Association: None 
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The Soft compound is for Auto-X. You would wear them out in one weekend at the track. If you plan to do both AX and DE/TT events, get the Harder track rubber. It will not be quite as stickey as the soft for a parking lot romp, but they will last a lot longer lapping a road course.
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| Trekkor |
Jan 20 2006, 01:17 AM
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#3
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I do things... Group: Members Posts: 7,809 Joined: 2-December 03 From: Napa, Ca Member No.: 1,413 Region Association: Northern California |
I ran the softs on my 2.0 FOUR last year. A/X only.
They lasted pretty well. A/X is so hard on tires. I would expect the the '32's to last for several events. It is my opinion that one a/x of 10 runs or so is harder on a tire than a 30 minute track session. This is based on the wear of my 710's which have many track hours ( 12? ) on them and still look and stick great. I'm *positive* they would be throwing sparks after 720 1 minute a/x runs. (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif) I think the Yokohama website recommends the softs or hard for cars by weight. Are the 32's discontinued? KT |
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| Root_Werks |
Jan 20 2006, 10:14 AM
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#4
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Village Idiot Group: Members Posts: 8,315 Joined: 25-May 04 From: About 5NM from Canada Member No.: 2,105 Region Association: Pacific Northwest 
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I thought most tires used the "R" for Axing and "HR" Hard R for laping.
Ax tires would be a treadwear around 40. Lap tires would be around 80. |
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| DanT |
Jan 20 2006, 10:28 AM
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#5
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Going back to the Dark Side! Group: Members Posts: 4,300 Joined: 4-October 04 From: Auburn, CA Member No.: 2,880 Region Association: None |
Sorry Dan (root works)
Both tires have a 60 wear rating and identical traction (A) and temperature (A) ratings. There is some slight difference in the compound of the tread that yields slightly different characteristics without changing any of the ratings. When these tires first came out back in the mid '90s there were no hard or soft....just one tire. That is why I asked the question...When I used these tires in the late '90s I used them on my 914-6 with a 2.7RS motor and later in my 944turbo with cup suspension and ~300HP. during that time there was only one compound. Up until about 6 months ago you could also get the A032Rs in a medium (intermediate) compound that also had the same rating numbers. |
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| dinomium |
Jan 20 2006, 12:13 PM
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#6
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Git on a chair son, all the good stuff is goin over yer head! Group: Benefactors Posts: 2,777 Joined: 2-January 03 From: Bremerton, WA Member No.: 74 Region Association: Pacific Northwest |
The 911 guys that I have been around use the yoks as rains for club racing... and Yes they are discontinued, so if you want them should take advantage of the sale price at the Tire Rack!
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| Downunderman |
Jan 20 2006, 12:30 PM
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#7
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Senior Member Group: Members Posts: 852 Joined: 31-May 03 From: Sydney, Australia Member No.: 766 Region Association: Australia and New Zealand |
Get the softs. They will go off before you wear them out.
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| Root_Werks |
Jan 20 2006, 01:59 PM
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#8
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Village Idiot Group: Members Posts: 8,315 Joined: 25-May 04 From: About 5NM from Canada Member No.: 2,105 Region Association: Pacific Northwest
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Cool discussion. I didn't know the tires changed so much that recently. Couple of guys I know that have more or less dedicated track cars talked to me this last summer about the "R" and "HR" compound tires. Cool stuff!
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| dinomium |
Jan 20 2006, 04:27 PM
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#9
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Git on a chair son, all the good stuff is goin over yer head! Group: Benefactors Posts: 2,777 Joined: 2-January 03 From: Bremerton, WA Member No.: 74 Region Association: Pacific Northwest |
Are you ax guy running your tires at full tread or having them shaved? Also are they heat cycled?
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| grantsfo |
Jan 20 2006, 05:13 PM
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#10
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Arrrrhhhh! Group: Members Posts: 4,327 Joined: 16-March 03 Member No.: 433 Region Association: None |
I run the Softs on my four lug Fuchs. Great tire for me to drive back and forth to AX on. While they dont offer the grip of a Hoosier AX tire they are very predictable. Note, for AX they are great in the first few corners (cold) compared to my Hoosiers, once the Hoosiers heat up then its game over. They are decent on damp cold surfaces as well.
No track time on these. However I think they handle heat well from my observations. |
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| Trekkor |
Jan 20 2006, 09:59 PM
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#11
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I do things... Group: Members Posts: 7,809 Joined: 2-December 03 From: Napa, Ca Member No.: 1,413 Region Association: Northern California |
I have *always* got my best times during the fun runs at the end of the day after the timed runs. (IMG:http://www.914world.com/bbs2/html/emoticons/dry.gif)
The last time I ran my Yoks was after a full day on the Hoosiers. I got within half a second. (IMG:http://www.914world.com/bbs2/html/emoticons/ohmy.gif) After that fun run session they were corded. We run them full tread...I heat cycle my own. KT |
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