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05-12-2008, 12:56 PM
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CC Member
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Join Date: Dec 2003
Location: Lehigh Valley, PA,
PA
Cobra Make, Engine: Look-a-like cobra POS
Posts: 955
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Not Ranked
I'll definately change your f/r weight distribution!!
__________________
B. Ewing
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05-12-2008, 01:04 PM
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CC Member
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Join Date: Dec 2003
Location: Lehigh Valley, PA,
PA
Cobra Make, Engine: Look-a-like cobra POS
Posts: 955
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Not Ranked
Scott,
The circumstances of the spin. Was this a brake (bias?) issue entering the turn or throttle coming out of the turn?
__________________
B. Ewing
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05-12-2008, 01:10 PM
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CC Member
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Join Date: Feb 2006
Location: Las Vegas,
NV
Cobra Make, Engine: Superformance #113, 482 aluminum FE 601hp
Posts: 179
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Not Ranked
It was a braking issue as I turned into the turn. I got on the gas a little too late and hadn't reset the rear of the cobra. With the weight on the front it allowed the rear to spin. Just a small brainf_rt!
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05-12-2008, 01:15 PM
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CC Member
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Join Date: Dec 2003
Location: Lehigh Valley, PA,
PA
Cobra Make, Engine: Look-a-like cobra POS
Posts: 955
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Not Ranked
Yep, gotcha, that's a tough turn in any car!
Hope you git-r-back together soon, good luck.
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B. Ewing
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05-12-2008, 05:28 PM
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CC Member
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Join Date: Aug 2007
Cobra Make, Engine: 31XX Car
Posts: 374
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Not Ranked
Avons vs Goodyear Slicks
Scott - How about lap time comparisons?
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05-13-2008, 04:04 PM
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CC Member
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Join Date: Feb 2006
Location: Las Vegas,
NV
Cobra Make, Engine: Superformance #113, 482 aluminum FE 601hp
Posts: 179
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Not Ranked
Sorry, Didn't get started on that comparison. Let me get the new motor in and will see!!
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05-26-2008, 05:12 PM
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CC Member
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Join Date: May 2008
Location: San Jose CA,
CA
Cobra Make, Engine: SPF_R_/BRG/FRBoss302/327CI/FordEFI/Under_Car_Exh/
Posts: 2,523
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Not Ranked
Yoko Cust Service --
I just filed a webform with yoko customer service at Yokohama, to ask about getting our sizes of AVIDs back in distribution. --Steve
__________________
Steve SPF 2734 MK3 / Brock Coupe #54- panavia.com
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09-16-2009, 04:54 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,591
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Not Ranked
I thought I would dig up an old thread for posterity sake and also since I can't find the info I want.
Does anyone know the tread depth of the Avon cr6zz when new? Thanks.
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09-16-2009, 06:48 PM
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CC Member
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Join Date: Dec 2006
Cobra Make, Engine: CSX 4000; Shelby aluminum FE with 58mm IDAs
Posts: 1,116
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Not Ranked
Rod,
You still rolling with the piece o' scheit stock tires on your nice shiny Kirkham? 
Before you invest in a set of Webers or fuel injection you need to buy a set of Avons or Billboards so you can put a bit more of your FE power to the ground. 
I have a set of Avons but don't know the original tread depth; my tread depth has decreased quite a bit on my rear tires since I got them. 
Stentor |
09-16-2009, 07:00 PM
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Senior Club Cobra Member
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Join Date: Oct 2006
Location: Santa Cruz,
CA
Cobra Make, Engine: SPF 2613 Titanium w/Black, Roush 402SR
Posts: 4,097
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Not Ranked
Quote:
Originally Posted by RodKnock
I thought I would dig up an old thread for posterity sake and also since I can't find the info I want.
Does anyone know the tread depth of the Avon cr6zz when new? Thanks.
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Randy's Avons are relatively new, so he might be able to tell you. There aren't too many good choices left, so tread depth probably won't be the gating factor in your purchase.  Once my Yokos age out (they probably won't wear out), I'm going to go with the Avons.
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Doug
No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
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09-16-2009, 11:40 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,591
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Not Ranked
Correct me if I'm wrong, but don't most normal HP tires today have a tread depth of around 10/32"? I'm just trying to figure how "slick" the CR6ZZ's are. The tread depth seems quite small to me, when viewed in a pic.
Stentor, yup, still running the Avid's. As Doug said, mine will age out before they ever wear out. I'm kinda looking at a 2nd set for potential track use only, but then I'd like to find a nice set of magnesium Halibrands too.
If I'm wishing here anyway, then I'd also like to build a SOHC engine too...Santa? |
09-17-2009, 01:43 AM
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CC Member
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Join Date: Aug 2009
Cobra Make, Engine: SPF 427cu (351W)
Posts: 30
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Not Ranked
How do these Avon tires behave in wet conditions? (compared to the mentioned other brands and types)
We have a lot of rain and driving a Cobra in the rain/wet roads is a bit of a challence.
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09-17-2009, 05:33 AM
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CC Member
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Join Date: Apr 2004
Location: Hyannis,
MA
Cobra Make, Engine: ERA FIA #2039
Posts: 255
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Not Ranked
Avon Track Tires
I run the smaller size (225 / 275) and they work about as good ar the GY Bluestreaks. I start with 23 psi and it grows to 25 or 26, the wear pattern looks good.
I have not experienced the instant break loose and hope not to.
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09-17-2009, 06:08 AM
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CC Member
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Join Date: Sep 2008
Location: Austin,
TX
Cobra Make, Engine: ERA FIA, 351W
Posts: 765
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Not Ranked
how many miles are people getting with their Avons?
ack fia: on the track you run 23 psi all around? How much do you psi to you have on the street?
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09-17-2009, 06:22 AM
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CC Member
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Join Date: Aug 2002
Location: Richmond,
VA
Cobra Make, Engine: Superformance Mk III / Windsor platform
Posts: 450
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Not Ranked
I got 7000+ on my first set. I have just over 6000 on set number two. May not quite make 7000 on this set. I have about 12 track days on these tires as well as street miles. As a note, on the track, I don't experience the sudden breakaway another posted observed. AT 28psi I can hear and feel the tires when they reach the limits of adhesion and am usually able to limit/control the slide. This is on a SPF with a very set up suspension. FWIW.
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09-17-2009, 07:15 AM
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Senior Club Cobra Member
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Join Date: Oct 2006
Location: Santa Cruz,
CA
Cobra Make, Engine: SPF 2613 Titanium w/Black, Roush 402SR
Posts: 4,097
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Not Ranked
Quote:
Originally Posted by SPF1061
I got 7000+ on my first set. I have just over 6000 on set number two. May not quite make 7000 on this set. I have about 12 track days on these tires as well as street miles. As a note, on the track, I don't experience the sudden breakaway another posted observed. AT 28psi I can hear and feel the tires when they reach the limits of adhesion and am usually able to limit/control the slide. This is on a SPF with a very set up suspension. FWIW.
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Good info! So if you factor in the wear and tear of the track days, the Avons might last around 9,000 miles under street only conditions.
__________________
Doug
No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
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09-17-2009, 07:58 AM
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CC Member
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Join Date: Apr 2004
Location: Hyannis,
MA
Cobra Make, Engine: ERA FIA #2039
Posts: 255
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Not Ranked
Avon Pressures
fasd,
Pressure is 23 all around. I'm going to run Monticello with NASA tomorrow so I will get better warm data. I don't drive it on the street (MA won't give me an inspection sticker).
Pat
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09-17-2009, 10:53 AM
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CC Member
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Join Date: Sep 2008
Location: Austin,
TX
Cobra Make, Engine: ERA FIA, 351W
Posts: 765
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Not Ranked
Here's a dumb question: how do you know when you Avons are done, worn out? Are the belts showing through? You don't need much or any tread, do you? I mean, for street driving on perfectly dry days, how much tread do you need?
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09-17-2009, 10:56 AM
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CC Member
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Join Date: Sep 2008
Location: Austin,
TX
Cobra Make, Engine: ERA FIA, 351W
Posts: 765
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Not Ranked
ack fia:
at 23 psi, is the the point at which the tires would just start to "turn over", i.e. any less inflation and you would start driving on the side wall? that's the point you look for on the track, right? (with Avons anyway; I heard with most lesser tires, you would over inflate at the track)...
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09-17-2009, 10:13 PM
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Senior Club Cobra Member
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Join Date: Jul 1999
Location: SF Bay Area,
CA
Cobra Make, Engine: SPF #1019
Posts: 1,657
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Not Ranked
Quote:
Originally Posted by Got the Bug
Randy's Avons are relatively new, so he might be able to tell you. There aren't too many good choices left, so tread depth probably won't be the gating factor in your purchase. Once my Yokos age out (they probably won't wear out), I'm going to go with the Avons. |
"New" is a relative term. I bot them last year, just before STTL. I would have to dig up the receipt from Kruse to determine how many miles I have on them - I would guess 1500 to 2000. No clue on the tread depth. I still love them!
Honestly, it makes little sense to penny pinch on the part of the car that actually touches the road!
I expect these Avons to last me another 3 to 4 years at least. And that, IMHO, is very reasonable for high performance tires for a "hobby" car.
YMMV,
Randy... |
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