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7/17/11 2:56pm - Original Message: 'How old are your Tires'
rod7515 Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic

Joined: 10/27/2006
Posts: 1172
One of our fellow C3VR members recently had a tire come apart as he was driving. Thank goodness no one was hurt when this happened but it brings up a good point. How old are the tires on your Corvette?
Heres how and where to find your build date:
The build date always follows the DOT number and can be either a 3 digit or 4 digit number. Its usually only on one side of the tire and can be inside or outside depending on Manufacturer and mounting. If its only a 3 digit number the first 2 will be the week of the year and the last digit will be the year. 3 digits are 90's tire. 4 digits are usually the 2000 and newer.
Hopefully you can check your tires and let us know how old your tires are. It only takes a minute or so to check.
My goal is to focus some awareness on tires that could be dangerous to you and your car.
Thanks to Mark, (babyblue 78) for putting this focus out there again.
Lets see how many answers we get.
Rodney


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7/17/11 3:17pm - Reply: 'How old are your Tires'
ebo Lifetime Member
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Holland Patent, NY - USA

Vette(s):
#1 *1980 White, Red interior 14,000 mile #2 *1980 Red, Oyster interior 93,000 miles Resto project car, rebuilt to 383 stroker

Joined: 6/3/2008
Posts: 4395

The white vette and the Burb are new.

Wifes Jeep is 3007 (BFG with 60 K should be used up after this fall)

Red Vette is 213 these will be changed as soon as that project gets on the road.

Thanks Rod, now I'm all dirty from crawling around on the garage floor!ConfusedLOLLOL
Oh joel said to make it really funny....Rolling On The Floor LaughingRolling On The Floor LaughingRolling On The Floor LaughingRolling On The Floor LaughingLOLLOLLOLLOLShocked
Evil Smileebo


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Evil Smileebo
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7/17/11 6:16pm - Reply: 'How old are your Tires'
hmel '74
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Carlisle, PA - USA

Vette(s):
1974 mille miglia red with oxblood interior 355ci, 320hp

Joined: 9/4/2005
Posts: 533
Mine are older than dry rot.
Ive got 2 new fronts coming this week.  hoping the rears will get me through to spring.


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7/17/11 8:04pm - Reply: 'How old are your Tires'
lukesvette Lifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.

Joined: 5/18/2004
Posts: 6806
all my tread is 2 years old....just changed em, but I am definitely going to eyeball em as they pass 5 years.Wink

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7/17/11 10:19pm - Reply: 'How old are your Tires'
KDADDY79
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Dutchess County, NY - USA

Vette(s):
White '79 Corvette. It's a driver.

Joined: 8/27/2007
Posts: 2484

Mine are brand new.

Just two weeks ago I put a new set of the Firestone 500's in place of a set of BFG's from '03. Plenty of tread left on 'em but eight years old. Then, a few days later BB78 had an older tire come apart while driving down the road.

No crystal ball here. I had been holding out for a set of red line radials but I just couldn't afford them. (Around 200 big ones per tire!!! Pinch) So, since I was able to, I went ahead and got the new but less expensive Firestones while I had enough cash to do it.
 
New tires always look and feel good. 
 
Thumbs Up 


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7/18/11 9:32am - Reply: 'How old are your Tires'
CCasey
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New Albany, OH - USA

Vette(s):
1980 Coupe / Snowcrest White / L48, 350 / Comp Cam / Edelbrock Heads / Cyclone Intake / Holley Carb / Holley Fuel Pump / Patriot Headers / Dual Exhaust / Magnaflow Mufflers / 1964 Coupe / Riverside Red / L76, 327, 365hp

Joined: 8/17/2010
Posts: 173
Just checked the Goodyear GT II's on the '80: 24th week of 2007 with less than 3000 miles on them.
 
I replaced all of the tires on the '64 with brand new ones last week.  The car is still in the body shop getting repainted but I will probably go over there Friday and will check the date codes.
 

Blown Tire Pic

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Adams' Apple2011-07-20 10:25:18

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Chuck

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7/18/11 9:51am - Reply: 'How old are your Tires'
ebo Lifetime Member
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Holland Patent, NY - USA

Vette(s):
#1 *1980 White, Red interior 14,000 mile #2 *1980 Red, Oyster interior 93,000 miles Resto project car, rebuilt to 383 stroker

Joined: 6/3/2008
Posts: 4395
Chuck, so sorry that happened...........I'd would have  Dead 
I think I would hang that one in my garage for all my buds to see and ask "whats up with the schreaded tire"?
There is a guy in our vette club that has a 1981 with 16 or 17 K on it. He brags about how good the original Goodyear Eagles still look. I have pointed out to him all the dry rot and cracks between the grooves. Says well I do not really drive this car far.
 I'ts black had a nice block sand, paint job done to it, and turns heads at the cruises.
I really like the guy so I'm going to hound him until he changes thoses tires. My originals look like new also until you look in the grooves, thats why they are up in the garage stored away.
Evil Smileebo


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7/18/11 10:38am - Reply: 'How old are your Tires'
kwoody
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Tucson, AZ - USA

Vette(s):
1982 Black/Tan Leather Build Code C09E Bronze TTop CrossFire Fuel Injection L83 85 Fuel Pump Auto Axle 2.72 Firestone Firehawk Indy500

Joined: 7/11/2010
Posts: 415
Hello  Rodney,

My Indy 500s were made in October 2009.  I purchased them new from the factory dealership in Mayish 2010.

I wonder if the tire treatments we spray on may contribute to the break downs.  I have not read or heard of any connection.... just wondering.

Glad everybody is well and safe.

Keith


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7/18/11 3:01pm - Reply: 'How old are your Tires'
ceastham1
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greer, SC - USA

Vette(s):
C(6-5+2)VR - 1964 convertible 327/365 & 2003 convertible - 50th Anniversary Edition & 2010 3LT Coupe

Joined: 10/15/2007
Posts: 746
Chuck - that bytes !!!
 
Hope it didn;t damage the body too much.
 
new tires all around on my 64. Did it this spring - something told me it was time.  


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7/18/11 3:24pm - Reply: 'How old are your Tires'
CCasey
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New Albany, OH - USA

Vette(s):
1980 Coupe / Snowcrest White / L48, 350 / Comp Cam / Edelbrock Heads / Cyclone Intake / Holley Carb / Holley Fuel Pump / Patriot Headers / Dual Exhaust / Magnaflow Mufflers / 1964 Coupe / Riverside Red / L76, 327, 365hp

Joined: 8/17/2010
Posts: 173
Hey Clint,
 
No, I was only going about 35 mph at the time.  It did take the paint off around the wheel well and also burned some rubber into the paint on the rear quarter panel.  But no body damage. 
Long story short, the paint job was done in 1994, so I figured as long as I had it in the paint shop for this I might as well go all the way and have it completely repainted.  Should get it back in about 3 weeks.
The moral of the story though is that all the tires "looked" good.  But after the incident I checked the date codes, (A little late, I know.), and thery were made in 1985 and 1990.  Didn't have many miles on them but the rubber was obviously shot.


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7/18/11 5:03pm - Reply: 'How old are your Tires'
Jaws79 Lifetime Member
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Sykesville, MD - USA

Vette(s):
1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops

Joined: 4/27/2008
Posts: 4211
Looks can be deceiving!!!
 
Barry
 
Confused


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7/19/11 2:29pm - Reply: 'How old are your Tires'
JoeTrecca
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Charlottesville, VA - USA

Vette(s):
1978 Silver Anniversary L82 Previously: 1965 300hp Coupe in 1967. 1967 435hp Coupe in 1968-70. 1969 350hp T-top w/ac and all power options.

Joined: 9/3/2010
Posts: 103
Current tires (GOOYEAR EAGLE GTII) are one year old. The previous tires were Firestone S/S Radials. They looked great, lots of tread and no obvious drying of the rubber. But, they lost air every night overnight from 30 psi down to 15 psi. The tire shop said they could not find a DOT rating on them or even a date code!
 
Someone on a previous tire topic said: "New tires are expensive, but not as much as fiberglass repair"


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7/20/11 12:19pm - Reply: 'How old are your Tires'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19458
[QUOTE=kwoody]I wonder if the tire treatments we spray on may contribute to the break downs.  I have not read or heard of any connection.... just wondering.[/QUOTE]

I think so. Got no proof of it, but I think the stuff some folks use to keep their tars clean & shiny WILL deteriorate the rubber quicker, especially if the car sits outside most of the time, in the heat, and cold.
I saw a tech article a long time ago about using Armor All, and how it was contributing to the destruction of certain interior parts, depending on the actual make-up of the parts(plastic, vinyl, etc). This wasn't an ad for a competing product, but an actual lab tested research project. Wish I could remember where I found it. Since then, I have been really leery of using anything on my interior if the car will be outside afterward.

I just can't see using a petroleum derived product on (tire)rubber that won't cause a problem eventually. Park in a puddle of oil, and see what happens to your tire(s) after a week or so....they git skwishy!


btw...the tars on the '74 are the same ones I bought for it in 1998...Embarrassed
Adams' Apple2011-07-20 10:30:06

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Joel Adams
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7/20/11 12:52pm - Reply: 'How old are your Tires'
rod7515 Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic

Joined: 10/27/2006
Posts: 1172
Joel,
that makes them there tars about 13 years oldShocked What I really want to know is how do you know about parking your tars in oil for a week or so to find they get squisheyConfused  Cant wait to hear this oneClap you got an oil field in your backyard!
Rodney


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7/20/11 3:44pm - Reply: 'How old are your Tires'
indy99
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Newport, MI - USA

Vette(s):
1980 L-48 still in the middle of a frame-off.

Joined: 6/9/2005
Posts: 926
I purchased new Indy 500s in 2005. As of today, does they have 0 miles on them. So.... are they still good or should I get new ones?  The car should be road ready in 2012.... I hope.
 
Dang it... I just realized the Apocalypse will be in 2012.  That's not a lot of time to go cruising..Cry


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Corvettes and women are the same...You want to make love to them but they keep breaking down.
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7/20/11 4:52pm - Reply: 'How old are your Tires'
Jaws79 Lifetime Member
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Sykesville, MD - USA

Vette(s):
1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops

Joined: 4/27/2008
Posts: 4211
You better get busy, Dennis!!!!!    LOL 
 
Barry
 
Confused


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7/20/11 9:43pm - Reply: 'How old are your Tires'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19458
[QUOTE=rod7515]What I really want to know is how do you know about parking your tars in oil for a week or so to find they get squisheyConfused  [/QUOTE]

Never said it was any of my cars...Wink
It's just a common fact...petroleum-based oils will react with the rubber compounds used in tires, and soften them. Did you know that the black color of the rubber in tires comes from carbon black...which is one of the byproducts of refined oil? It's prolly also the reason they weather crack and fail!


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Joel Adams
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12/30/11 7:24pm - Reply: 'Re: How old are your Tires'
2tonevette1981
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Hillsboro, TX - USA

Vette(s):
1981 beige/bronze

Joined: 3/2/2008
Posts: 147
Took the vette for its yearly inspection and had them check the date on tires. Ready for this one...built in 1999. Needless to say I went ahead and anted up for new ones. Sure hated to do it the old tires still looked new, but I figured it is better to unload $550 on new tires than a few thousand for body work from a blown tire.

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12/31/11 3:12pm - Reply: 'Re: How old are your Tires'
Jaws79 Lifetime Member
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Sykesville, MD - USA

Vette(s):
1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops

Joined: 4/27/2008
Posts: 4211
Blowouts and Vettes do NOT go well together!
 
Barry
 
Shocked


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12/31/11 5:17pm - Reply: 'Re: How old are your Tires'
Almond81Vette
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Stanley, NC - USA

Vette(s):
1981, dark blue w/carmel interior. 350 stock, auto tranny, Q-jet carb, ECM box

Joined: 8/9/2010
Posts: 91
Reading all this and some other forums got me jumpy to checked mine today on old 1981 and date code was 4602 so based on info my threads were borne on 46th week of 2002......so think a new set of threads will be in near future. They still look good and good thread....but 2002, that's 9 years old now.

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