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- High-end digital display chip, LCD display, testing more accurate & reliable
- It not only enhances driving safety factor, but also essential safety products per vehicle
- Seat belt cutter is also used in the emergency
- Special design for easy operation and storage
- Functional tire gauge is a necessary tool for a good driver
- Measuring Range: 2-150 PSI
- Size: 13.0 x 4 x 1.8cm / 5.1 x 1.6 x 0.70in(L x W x H)
- Functional tire gauge is a necessary tool for a good driver
- Durable, compact, practical, easy to carry, easy to operate
Tire Pressure Hints
- Tire inflation pressure may have gained greater awareness in the public's mind in the last two years, but it has always been a priority for the enthusiast. Obviously, when going to an autocross or track day, tire pressures are one of the items that will be checked and set by anyone who is at all serious. Most manufacturers recommend checking tire pressures weekly or monthly but, like flossing one's teeth, checking tire pressures on a daily driver is one of those things that is very easy to forever do "tomorrow."
- Driving in an ordinary manner may not reveal even a completely flat tire on a light car with today's high-performance, low-profile structures. A visual check with a walk-around of the car at least each morning is the easiest and most basic way of preventing trouble. A flat tire will be obvious, though simply sagging pressures will be considerably less so. On one project car around the office, I noticed a rear tire looked a bit low and guessed it had 12 psi. It turned out to be completely flat and, while the original puncture was repairable, driving on it had made the expensive tire scrap. Neither driver nor passengers had detected anything amiss. Similar misfortune has befallen several other cars, so it's definitely worth taking some precautions
- Even tires in perfect condition lose air over time and should be checked periodically. It may be easier to remember if you buy a quality gauge and keep it in the glovebox rather than in your toolbox. A quality, trustworthy gauge makes it more pleasant than with the uncertainty of the gas station's beater, though in european car's tire-pressure-gauge test (July 2000), four randomly selected gas station air hose pressure gauges were checked, and none was in error to a degree that would lead to a dangerous condition. Since then, the Porsche(R)-approved gauge we chose as our favorite has been seen all over the place, from The Tire Rack to local auto parts stores, at very affordable prices
- Some people aren't sure where to set their tire pressures. The one thing that is certain is that the maximum inflation pressure on the sidewall is not the right one to use. The vehicle manufacturer's recommendation is always a good starting point. It will be somewhere in the car. This used to be a sticker in the driver's door jamb, but more and more it's located on the back of the gas filler door. If that fails, the information should be in the owner's manual. Sometimes, there will be a range specified, or two different recommendations, depending on load. Anywhere between these numbers should be safe
- Changing the tire size or going to a plus-size fitment will change the required inflation pressure somewhat. Within the range of optional OE tire sizes, the vehicle manufacturer's recommendations should be followed. For sizes outside the range, the tire manufacturer should be able to help. Yokohama, for instance, includes pressure recommendations for stock and plus-sizes, by vehicle, in its annual Fitment Guide, which your tire dealer should have a copy of. Typically, these are 0-3 psi higher for a Plus-one or Plus-two fitment. Also listed are maximum load ratings at maximum inflation pressure for each size of each tire Yokohama makes
- If the recommendations you find leave you with a range and you want to know more specifically, you can experiment. Air, after all, is free. A change of 2-3 psi can completely change a vehicle. An underinflated tire will ride smoothly but feel sluggish, have mushy turn-in and go around corners with high slip angles or just not much grip at all. An overinflated tire will feel harsh on impact and over smaller bumps, and while responding crisply, will lack grip when pushed hard. To an experienced person, these characteristics are obvious even from the passenger seat. Try the minimum and maximum of your target range, and maybe slightly outside it, and decide what you like
- In the event that you aren't able to find a recommendation for your car, or the tires on your car are so different from those that were originally fitted from the manufacturer as to be incomparable, we received the following rule of thumb from Oscar Pereda, an engineer for BFGoodrich. He calls it a "realistic starting point," saying it has never been just right, but is a good place to start. The rule is:
- (Vehicle Weight in lb/100) + 2 psi at heavier end + 2 psi all around if suspension and alignment are stock.
- Example: Stock 911, 3,000 lb. (3000/100) = 30 psi
Add 2 psi all around = 32 psi
Add 2 psi to heavy end = 34 psi at rear
With modified suspension, the result is 30 psi front, 32 psi rear
- "There is no 'golden' tire pressure," Oscar said. The optimal setting depends on the individual driver and his preferences. For those inclined to find the ultimate setup for track use, Oscar provided additional instructions. First, get a skidpad, and plan to be dizzy. Take your dramamine. Drive in a circle, first one direction, then the other. Measure and record tire temperature distributions with a probe-type pyrometer that actually penetrates the rubber, not the "aim and click" infrared type. You want bulk temperature, not surface temperature, because the surface cools rapidly while the inner temperature is more stable. When measuring tire temperatures, if center is hotter or cooler than shoulders, there is too much or too little pressure, respectively
- Adjust pressures in 2-psi increments and record all adjustments. Adjust pressures by differences. If you start at 30 psi, and want to take out 2 psi, but the tires have heated up and are at 33 psi, set them at 31 psi rather than 28. The sum of all the changes made will be very close to the change from your initial cold setting. To check this, leave the tires alone at the end of the day, let them cool, and check the pressures in the morning. If at any point during the day you "reset" your pressures to some arbitrary starting place, you are suddenly lost, and all the work you have done that day is gone
- The ideal caster and toe alignment settings will give even tire pressures all across the tread. This can be determined in the same way as the optimum tire pressure. You'll never get the tire temperatures perfectly even, but the best you can do is the best you can do, which is the point of the exercise. What works best will vary from car to car depending on camber curves, body roll, ride height and other factors
- Which tire pressure gauge to use? Oscar told us that, in general, less expensive gauges tend to deviate more at higher pressures. To run the vehicle manufacturer's recommended pressure, accuracy is more important. To dial in a car, precision and repeatability are more important
Inspecting Tire Pressure
- The best time to get the exact pressure reading is when the tires are cool. This means that before going on a drive like in the morning time or when car is parked for few hours. The tires become hot after a drive and the pressure of the tires varies accordingly, so if you take the reading when tires are hot, you may not get the accurate reading
- For recommended tire pressures for your vehicle always consider the placard which is located on the sidewall of the wheel on driving side. This placard contains the standard psi/kPa units of air pressure for your vehicle
- Dismiss the valve cap
- Take a gauge and push it into the valve stem. You hear a hiss sound, showing gauge is perfectly inserted by releasing a small amount of air from the tire
- Note the reading of the gauge and take it out of the valve stem
- Check the tire pressure for all the tires and note down the reading
- Now you have the standard readings and the reading of your tires. Compare both the readings; this will give you a clear idea whether your tires pressure is same as standard pressure or less than that. If you find your tire pressure less inflate them
Air Pressure Adjustment
- Take the valve cap from the wheel away
- Insert the nozzle of the air compressor into the valve and switch on the compressor. Push the lever down to fill the air in tire
- It is better to inflate the tire a little more than the standard pressure
- Once you have inflated the tire, take a pressure gauge and check the pressure. If the pressure is more than 6psi, release some of the air from the tire by pushing the gauge down
- Recap the valve and adjust the air pressure in all the remaining tires by following the same instructions
- 1 x Tire Gauge
If the order has already been shipped; you may return the item to us postmarked within 30 calendar days of delivery. Before that, please contact our Live Support to inform that.
In that case we will refund you the payment excluding actual shipping fees already incurred.
If the item is defective, please contact DinoDirect Live Support and send an email to us at email@example.com attached an image or video file clearly showing the defect of the product. And we will give you a response within 24 hours whether we will resend the item or refund the payment to you for compensation.
For customization, please consider carefully before ordering.Because we do not accept return and replacement.
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