Multiple Tire Blowouts
Hi all! Noobie to the forum but have been lurking for a while. Thanks for all the info you all share in this forum. It helps a lot more people that you know. So I have an issue.... We own...
Forum Discussion
CapriRacer wrote:
Perhaps I can add something to this thread. Retired tire engineer here.
My expereince with tire failures is that they peak in the third year, but you get a solid, quantifiable, indication in the second year. Also, that tire failures are a summer phenomenon. They are virtually non-existant in Nov, Dec, Jan, and Feb.
The earliest production of the Goodyear Endurance ST tire line is in the tail end of its 3rd summer, and the second summer for the second year of production. I haven't heard of any failures, so my experince says the problems that occurred with the Marathon have been fixed
You probably already know I've been writing about RV trailer tires for 15+ years. So this is not in support of GY, it's just information as I have observed it in the thousands of antidotal postings I have read over the years with a little factual information added in.
IMO the GY Marathon ST trailer tires (foreign & domestic) were severely abused by the RV trailer industry because of a zero load capacity minimum requirement in the FMVSS (standards) that still remains in effect. Being a high usage OEM tire they had to withstand fitments to axles certified for their fitment by the vehicle manufacturer. A glaring example would be 5200# axles certified by their builder yet recertified by a RV trailer manufacturer to 5080# so they could install tires rated at 2540#.
A hypothetical for the new GY Endurance ST brand could include a collaboration between GY & RVIA. The Endurance came on the market about the same time RVIA made the now enacted recommendation for all member RV trailer manufacturers to provide 10% in load capacity reserves above vehicle certified GAWRs for all tire fitments.
Because tire compounding is normally a closed/classified subject for us users, we have to take the manufacturer's press releases that improvements have been made. I've not seen a percentage of improvement reported.
Yes, the Endurance tire sidewalls have more material than the Marathons. That material is in the form of scuff guard protection and has no bearing on the tire's load carrying ability.
I'm not going to get into the LT vs ST thing. I'll just say this, a high percentage of the industry will not support changing a vehicle manufacturer's certified designated size for a different designated size.
