LT tires on your TT? Let the fight begin

CALandLIN wrote:

Mike134 wrote:

CALandLIN wrote:
"Tires should always be replaced with the same size designation, with approved or greater load carrying capacity -- or approved options -- as recommended by the vehicle manufacturer or authorized dealer."

The preceding quote is a tire industry standard. It's the primary reason reputable tire dealers and tire installers will not deviate from a designated size if the have to fit the replacement to a vehicle.

The proper nomenclature description for any tire is on its sidewall. Therefore, a ST235/85R16 is not compatible with a LT235/85R16. Those are both completely different tires. The prefix (LT, ST, P) are officially part of tire's size designation.

You don't believe that do you? People have been swapping sizes and tire types for as long as cars been on the roads. I was always putting bigger fatter tires on my GTO trying to get them to hook, all D.O.T. tires yet no one blinked an eye putting a different size tire on the car. Just did it last year to my truck. I will say they will not go smaller than OEM unless you sign a waiver. Bigger no hesitation!

You don't believe that do you?

Sure I do. Its a quote right off the Michelin replacement tire pages. You'll also find it at GY, Bridgestone, General, Maxxis or any other major tire builder. Because its not adheared to doesn't make it disappear.

Here's how it works. The vehicle builder selects tires that are appropriate for that vehicle and sets a recommended cold inflation for them. Then they say not to use tires that are smaller or have less load capacity than the OE tires, UNLESS the replacements are approved by the vehicle manufacturer. A tire manufacturer is not going to knowingly trump the OE tire size without repercussions. Every time they have tried it and for some reason ended-up in court defending their decision, they have lost.