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09-21-2009, 05:02 PM
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Senior Club Cobra Member
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Join Date: Jun 2000
Location: Gilford,
NH
Cobra Make, Engine: FFR 302 carb
Posts: 8,121
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Not Ranked
Tires again
Hey guys....
I just got some newer tires from Dan. My fronts needed changing and now I'll change all 4. The tires on my cobra were only 4 years old, or so I thought.
I checked the dates on them and they were from 1999. Sat on the shelf for a few years. The ones I got from Dan are much newer. Thanks Dan.
Mike
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09-21-2009, 08:23 PM
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Senior Club Cobra Member
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Join Date: May 2007
Location: Mesa,
AZ
Cobra Make, Engine: Contemporary Classic, 428 FE CCX 3069
Posts: 7,502
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Not Ranked
You're welcome Mike.. It'll cost you though!
__________________
Dan in Arizona
CCX3209
"It's a great car and I love it, but it doesn't do 'SLOW' very well."
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09-21-2009, 08:45 PM
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CC Member
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Join Date: Aug 2009
Location: Phoenix,
AZ
Cobra Make, Engine:
Posts: 1,956
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Not Ranked
How do you read date codes on a tire?
I am wondering how old my tires are.
__________________
FFR MK1---Sold
Superformance #884 --- Sold
No more Furds.
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09-21-2009, 09:19 PM
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CC Member
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Join Date: Dec 2006
Cobra Make, Engine:
Posts: 96
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Not Ranked
week then year
5209
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09-21-2009, 09:24 PM
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CC Member
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Join Date: Jun 2002
Location: Planet Mercury,
AZ
Cobra Make, Engine: Cobra-less for now..
Posts: 765
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Not Ranked
After 2000 there are four digits that decode to week and year, before 2000 there are only three digits. Here is a good explanation:
http://www.tirerack.com/tires/tirete....jsp?techid=11
__________________
It's under a big W, a big W see?
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09-21-2009, 09:38 PM
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CC Member
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Join Date: Jun 2006
Location: Merced,
Ca
Cobra Make, Engine: West Coast-Ford Performance Solutions 533 BB
Posts: 390
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Not Ranked
Unsafe after 6 years
There was an earlier post on this forum with a link to a news commentary on the unsafe nature of tires over 6 years of age "from the date of manufacture", noting a high rate of spontaneous failure. There was a fairly stern warning that older new tires off the rack are dangerous and yet they're sold in stores all around the country. It's worth a look at your tires for the manufacturer's date and upgrading to newer ones if they're over six years of age no matter what their mileage, especially if there's "spirited" driving on your agenda.
Ride safely!
Dirk
__________________
The government giveth and the government taketh away..... if our rights are not God given then they're subject to revision!
Last edited by DocDirk; 09-21-2009 at 09:40 PM..
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09-21-2009, 09:56 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 DocDirk
There was an earlier post on this forum with a link to a news commentary on the unsafe nature of tires over 6 years of age "from the date of manufacture", noting a high rate of spontaneous failure. There was a fairly stern warning that older new tires off the rack are dangerous and yet they're sold in stores all around the country. It's worth a look at your tires for the manufacturer's date and upgrading to newer ones if they're over six years of age no matter what their mileage, especially if there's "spirited" driving on your agenda.
Ride safely!
Dirk
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Interesting thread. I just went out to check the dates on my tires.
Here's a link regarding tire age from TireRack:
"Properly stored tires that are protected from the elements and not mounted on a wheel age very slowly before they are mounted and put into service.
Our experience has been that when properly stored and cared for, most street tires have a useful life in service of between six to ten years."
http://www.tirerack.com/tires/tirete...jsp?techid=138
__________________
Doug
No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
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09-21-2009, 10:08 PM
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CC Member
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Join Date: Apr 2008
Location: Scottsdale,
Az
Cobra Make, Engine: Black CSX 4910, Roush 511 8 stack
Posts: 1,205
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Not Ranked
I know they are not really the favorite but I have a new pair of BFG off my CSX if anyone is interested in them. I would sell them cheap. $300 for the set of 4. Only 600 miles on them
Ron
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09-22-2009, 02:41 PM
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CC Member
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Join Date: Mar 2008
Location: Phoenix,
Az
Cobra Make, Engine: FFR 302 c.i. f.i.
Posts: 135
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Not Ranked
Hi Ron,
I might be interested in your tires. What size are they?
Bill
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09-22-2009, 03:52 PM
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CC Member
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Join Date: Apr 2008
Location: Scottsdale,
Az
Cobra Make, Engine: Black CSX 4910, Roush 511 8 stack
Posts: 1,205
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Not Ranked
295/50/15 for the rear and 235/60/15 for the front I believe. I am picking them up fron the shop that installed the Avons tomorrow morning.
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09-22-2009, 04:24 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
Good decision on the Avons!
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09-22-2009, 05:00 PM
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CC Member
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Join Date: Mar 2008
Location: Phoenix,
Az
Cobra Make, Engine: FFR 302 c.i. f.i.
Posts: 135
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Not Ranked
Hi Ron,
Need you to confirm the size of the rear tires. Can"t go any wider than 275 50R 15. Just won't fit.
Thanks,
Bill
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09-22-2009, 06:12 PM
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Senior Club Cobra Member
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Join Date: May 2007
Location: Mesa,
AZ
Cobra Make, Engine: Contemporary Classic, 428 FE CCX 3069
Posts: 7,502
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Not Ranked
Bill, Do 255 x 60x 15 do you any good? I have three Goodyear Eagle GT II that size I need to get rid of.
__________________
Dan in Arizona
CCX3209
"It's a great car and I love it, but it doesn't do 'SLOW' very well."
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09-23-2009, 07:54 AM
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CC Member
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Join Date: Mar 2008
Location: Phoenix,
Az
Cobra Make, Engine: FFR 302 c.i. f.i.
Posts: 135
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Not Ranked
Hi Dan,
I would like to stick with the size of the tires I have now, but thanks anyway
Bill
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09-23-2009, 08:52 AM
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CC Member
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Join Date: Apr 2008
Location: Scottsdale,
Az
Cobra Make, Engine: Black CSX 4910, Roush 511 8 stack
Posts: 1,205
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Not Ranked
I confirmed the rear tires are 295/60/15 so it looks like maybe they wont fit. What type of cbora do you have? These tires were on my csx but I also had a superformance that had the same size. If you only wanted the front I would sell for $150. Let me know
Thanks
Ron
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09-23-2009, 11:06 AM
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CC Member
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Join Date: Mar 2008
Location: Phoenix,
Az
Cobra Make, Engine: FFR 302 c.i. f.i.
Posts: 135
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Not Ranked
Hi Dan,
I have a Factory 5(MK1) and was told that anything wider than a 275X50 R15 would not fit(rub against the shock) Does anybody know otherwise?
Bill
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09-23-2009, 11:56 AM
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CC Member
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Join Date: Sep 2002
Location: Phoenix,
AZ
Cobra Make, Engine: FFR: 302 w/aluminum heads, Edlebrock injection. Street car trim, no scoop, side pipes or rollbar.
Posts: 1,869
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Not Ranked
It's possible but if you don't have IRS you will have to raise the rear height a bit and if you have a 3-link you will have to 'shave' the connection on the right side.
__________________
"Cobra-Cobra-bo-bobra, banana-fanna-fo-fobra, fe-fi-mo-mobra...Cobra!"
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09-23-2009, 12:28 PM
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CC Member
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Join Date: Mar 2008
Location: Phoenix,
Az
Cobra Make, Engine: FFR 302 c.i. f.i.
Posts: 135
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Not Ranked
I don't have IRS and don't know if I have a 3-link. Also you lost me at "shaving the connection". I only know how to get into my car and go real fast.
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09-23-2009, 12:40 PM
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Senior Club Cobra Member
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Join Date: Jun 2000
Location: Gilford,
NH
Cobra Make, Engine: FFR 302 carb
Posts: 8,121
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Not Ranked
Bill,
The main difference between the 295x50x15 and 275x50x15 is about 1 inch in width and 1/2 inch in height. The 295's are the taller and wider ones. This is based on the BFG radial T/A's.
Most raise the ride height a little and then trim off some of the 2X3 frame to make them fit.
Mike
Last edited by mikiec; 09-23-2009 at 12:42 PM..
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09-23-2009, 12:48 PM
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CC Member
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Join Date: Sep 2002
Location: Phoenix,
AZ
Cobra Make, Engine: FFR: 302 w/aluminum heads, Edlebrock injection. Street car trim, no scoop, side pipes or rollbar.
Posts: 1,869
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Not Ranked
On the 3-link there's a little box where the panhard rod attaches to the axle. On 275s it's kinda close but on 295s it can rub the tire on hard turns. The cure is to trim and re-weld it.
__________________
"Cobra-Cobra-bo-bobra, banana-fanna-fo-fobra, fe-fi-mo-mobra...Cobra!"
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