Since it hasn't been posted yet, it bears repeating.
The tires that unexpectedly and unpredictably lost traction in the crash that killed Roger Rodas and Paul Walker were on a garaged car with only 3.5k miles, but were 9 years old.
https://www.thedrive.com/article/5189/the-truth-behind-what-caused-paul-walkers-fatal-crash
This is what I experience doing what I do. I don't know how quickly a nice modern tires age in comparison.
In the classic car world, see a lot of tires that are 12-20 years old with less than 1000 miles on them. These cars are always stored indoors. They all look new.
Most of these cars come in for strange handling and brake problems "the brakes are really touchy, it's like nothing, nothing then they just lock up" or "It's weird, it will just randomly lock up one tire when I am slowing down"
One of my favorites is "This thing makes more power than stock, It will just light up the tires when you take off!"
These problems always go away with fresh tires.
Lately, it has been the Turkish manufactured Michelin XZX that are the worst about this, but the Coker Bias plys for old Yank tin present with this issue a lot too.
In reply to Trent :
Customer brought in an '06 Ford GT, still wearing it's original tires.
That car was an absolute menace to drive. I took it through a roundabout and almost ended up facing the wrong way.
You know why it's called panic braking? Right.
DSW posted results of his test showing stopping distance increase of 30 feet old vs new. That's not a near miss. That's your E36 M3 is berkeleyed.
We don't always get to choose when we need limit handling or limit braking.
You're not gonna use them. Put them on FB Marketplace and sell them to someone who wants pretty tread and doesn't ask questions about date codes. Recoup some money.
In reply to SV reX :
When I discard aged out tires, I slash the sidewalls so a reseller doesn't dig them out of the used tire pile and resell them.
Driven5 said:Since it hasn't been posted yet, it bears repeating.
The tires that unexpectedly and unpredictably lost traction in the crash that killed Roger Rodas and Paul Walker were on a garaged car with only 3.5k miles, but were 9 years old.
https://www.thedrive.com/article/5189/the-truth-behind-what-caused-paul-walkers-fatal-crash
He was also driving more than twice the speed limit.
I would debate the "unpredictably" part.
Many bad decisions were made...
Pete. (l33t FS) said:In reply to SV reX :
When I discard aged out tires, I slash the sidewalls so a reseller doesn't dig them out of the used tire pile and resell them.
That's fair. I respect that.
In reply to SV reX :
In a car that should have been able to take it significantly faster without flinching had it been on newer tires.
In reply to Driven5 :
Not in a 45 mph speed limit zone.
Trent said:This is what I experience doing what I do. I don't know how quickly a nice modern tires age in comparison.
In the classic car world, see a lot of tires that are 12-20 years old with less than 1000 miles on them. These cars are always stored indoors. They all look new.
Most of these cars come in for strange handling and brake problems "the brakes are really touchy, it's like nothing, nothing then they just lock up" or "It's weird, it will just randomly lock up one tire when I am slowing down"One of my favorites is "This thing makes more power than stock, It will just light up the tires when you take off!"
These problems always go away with fresh tires.
Lately, it has been the Turkish manufactured Michelin XZX that are the worst about this, but the Coker Bias plys for old Yank tin present with this issue a lot too.
The tires on my manual 2000 F150 V6 were at least 10 years old. It would light up the rear tires at 60mph in 3rd gear if you put pedal to the firewall. Amusing for 20 minutes, but pretty dangerous on public roads.
AngryCorvair (Forum Supporter) said:You know why it's called panic braking? Right.
DSW posted results of his test showing stopping distance increase of 30 feet old vs new. That's not a near miss. That's your E36 M3 is berkeleyed.
We don't always get to choose when we need limit handling or limit braking.
Yup. And a lot of kids on bikes or whatever can fit into those 30 feet.
In reply to SV reX :
Edited. You're right that triple is probably a stretch. But from those that have driven that corner, it sounds like 90 isn't (or shouldn't be) challenging for a car like that.
In reply to Driven5 :
I see no reason to defend a driver who made such terrible decisions and put many lives at risk.
45 mph speed limit signs are never put in places that 90 makes makes sense. It was a neighborhood, not an Interstate.
We could spend all day telling tales of old tires leading to crashes.
I still cringe thinking about the fact that I'd never bothered to check the date code on my trailer tires and then found them to be 20 years old. They looked brand new.
It is just not worth it to milk them.
In reply to SV reX
Nobody is 'defending' going 90 in a 45 simply because it should have easily done so, more than anybody is defending running aged-out tires as 'safe' simply because you won't go careening off the road at 45 in a 45. The point is that the same science behind that deadly lack of control, when called upon, applies at any speed.
SV reX said:You're not gonna use them. Put them on FB Marketplace and sell them to someone who wants pretty tread and doesn't ask questions about date codes. Recoup some money.
That's berkeleyed. Maybe one of your kids buys them. Or maybe one of your kids gets clipped by the person who buys them.
In reply to AngryCorvair (Forum Supporter) :
Wow. Not even a second thought about it either.
I’ll add another thought to this conversation:
You use/sell some tires that are past their expiration date–and you know they’re past that date–and something bad happens. What could the civil repercussions look like?
David S. Wallens said:I’ll add another thought to this conversation:
You use/sell some tires that are past their expiration date–and you know they’re past that date–and something bad happens. What could the civil repercussions look like?
Yep
AngryCorvair (Forum Supporter) said:SV reX said:You're not gonna use them. Put them on FB Marketplace and sell them to someone who wants pretty tread and doesn't ask questions about date codes. Recoup some money.
That's berkeleyed. Maybe one of your kids buys them. Or maybe one of your kids gets clipped by the person who buys them.
I'm assuming SVrex was thinking the buyer of a Corvette size tire would use them just to store the vehicle and not drive on them. The problem is you never really know how they'll be used.
SV reX said:Pete. (l33t FS) said:In reply to SV reX :
When I discard aged out tires, I slash the sidewalls so a reseller doesn't dig them out of the used tire pile and resell them.
That's fair. I respect that.
A guy I was working with called me an shiny happy person because I was taking money away from the used tire shop, once.
The tires were something like 25 years old and had scary bad traction. Like it felt dangerous to drive at 35. I couldn't in good conscience risk someone else being sold those tires.
The tires on Miata 338 looked great when I got the car. Not awesome tires to begin with, but they had loads of tread and had led a very low-UV life. But they were older. I forget exactly how old, maybe 2008?
When I changed them out for some new Michelins, the increase in ride quality was noticeable. Traction, too, but since I was going from a Uniroyal all-season to a 240 TW summer tire I wasn't surprised by that. Those old Uniroyals were just crunchy - you could feel it when squeezing a tread block.
AngryCorvair (Forum Supporter) said:SV reX said:You're not gonna use them. Put them on FB Marketplace and sell them to someone who wants pretty tread and doesn't ask questions about date codes. Recoup some money.
That's berkeleyed. Maybe one of your kids buys them. Or maybe one of your kids gets clipped by the person who buys them.
That's fair. You're right. I wa wrong.
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