E rated tire with max psi of 65?
I have Nitto Ridge Grapplers that came on the truck when I bought it used, size LT325/65R18 E 127/124Q. Every E-rated tire I've ever seen is rated to carry its max load at 80psi, so the first trip ...
Forum Discussion
MFL wrote:
Where are all the tire engineers when you need them? My wag is that these tires are designed as onroad/offroad, so even though e-rated, a lesser max pressure is best for the hybrid use, that the tread and sidewalls are designed for.
JMO, but I'd not use a wider tire, than what the rim is designed for.
Jerry
So here I am.
It's a long story why some E Load Range tires have a max pressure of 65 psi, but it deals with the burst pressure - ergo larger sized tires will have the lower pressure. It has nothing to do with onroad/offroad.
This is not unique to E Load range tires.
And just to assure some folks: The burst pressure of a tire is many times the max pressure. Tires do NOT burst based solely on the pressure. They will burst if they hit an object hard enough, regardless of the actual pressure in the tire. They'll also burst if cut deep enough to cut cords!
