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First, OE tires are built to the vehicle manufacturer's specs - and frequently, what the vehicle manufacturer wants is NOT what the average consumer wants. The average OEM wants a tire that is great for rolling resistance, which is obtained by sacrificing treadwear and grip, especially wet...

Another possibility is that Yokohama changed the tire, making it ride better, but handle less responsively. If that's the case, then your only recourse is changing the front tires to the new version. How to determine that? Look at the DOT code. If the type code is different, it's likely the...

Because companies that supply N2 equipment have done a good job of confusing the matter. No, you haven't. I'm not sure what the principle is called, but ALL gases will "dissolve" into all other gases - and that includes water vapor - aka steam. I don't know of anyone who has actually done a...

Do you have an AWD? Some AWD's are sensitive to tire diameter and new vs old tires are enough to cause problems.

Just an FYI: Tire wear is not as closely tied to pressure as it is to alignment and position on the vehicle. Steer tires tend to wear in the shoulders and drive tires tend to wear in the center. That means you can see the difference on RWD cars, but not on FWD cars. Even small amounts of...

X2

First determine if it is tires/wheels. Is the vibration in the steering wheel (front) or in the seat (rear)? Swap tires front to rear. Did the vibration move? If yes, then try rebalancing or better yet, road force the tires. If not, then it's somewhere in the car and you'll have to do more...

First, I am very pleased with the responses to OP's question. I am glad so many people recognized that the trailer needed LR D tires. The only thing I could add would be that the owner might consider using 14" tires and using reduced pressure. That would solve the marginal weight carrying...

My experience is that the published tolerances (not the target values - the deviation from the target!) are too wide by half. Nether the targets nor the tolerances are mentioned - but some of those values look outside what I consider what the tolerances should be.

The LR doesn't look good. Way too much toe. The front cross camber isn't right. Was this in an accident?

There was a time early in the history of the Alpine symbol that parts of Europe didn't like to buy tires with the symbol. That was quite a while ago and things have changed since then - as in, the EU has adopted the symbol, albeit with its own test method. Interestingly, the US and Canada do...

See my reply in your original thread. Bottomline: It doesn't do anything for aftermarket tires, because the wheel isn't usually marked using the valve hole. Used to be, but that was a long time in the past.

First, the dot matching is supposed to be for uniformity (Think runout and you'll be close) - not balance! The idea is that matching the high point of the tire with the low point of the wheel results in a "rounder" assembly. HOWEVER!! Most OEM's don't mark the wheel using the valve hole, so...

A few details would be very helpful. Size, load range, vehicle type. My best guess is that this is a bias tire on a piece of farm equipment.

Sorry to be a bit late for the party: A tire manufacturer is NOT going to comment on tire shine products unless they make them (ala Michelin) or they get paid to do so (Unlikely!!) You can be assured that the Michelin tire shine product will not harm the Michelin tires in any way. I'm pretty...

Just an FYI: Balance Masters, Centramatics, etc are OK for static balance and out-of-round but can't handle dynamic imbalance. They also don't work at slower speeds. The good news is that over time, the need for dynamic balance has mightily decreased.

The problem when trying to figure out what effect weight is going to have on tire performance is that there are many things that also affect tire performance - and some of them have a larger effect than weight. Tread rubber has about the same density regardless of the formulation, but the range...

Howie (may I call you by your first name?), I hope you realize that sipes don't have to be the same depth. Not only can there be sipes of different depths, but within the same sipe, different parts of the sipe can have different depths. In your photos there is a groove at an angle just...

Yes, this is a CapriRacer question! Those are the tops of a poppet valve that allows air to bleed out between the tire and the mold. In the old days, they used drilled holes, but those had to be trimmed. Another way to do this is to make the mold out of a slightly porous material, but that...

DO NOT trust this calculator. I ran a sample calculation and got an incorrect answer. Why? Best guess is that they are using the Load Index. That's not the way to do this! Also, having programmed stuff my entire life, there are a number of ways to do what this calculator is supposed to be...