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Important Things About Tires
Good and intact tires belong to the most important equipment characteristics of automobiles, those applies naturally to used cars also. You can find more informations at BUYER TIPS FOR SECOND HAND CARS, if you follow the link below.
Old or worn out tires could become a very dangerous venture, for example, begin to swim on a wet road, or simply breaks out, because the road grip gets too small.
Check the pressure of your tires twice a month at the cold tire. When the pressure is too low, it leads to a strong heating of the tire, the consequences are: tire damage, bad driving, high tire wear and higher fuel consumption.
TIRES SPEED INDEX
The maximum speed of the tires must correspond with the maximum speed of the car at least. So, for example the letter "P" means a maximum speed of 150 km/h, the letter "Q" for a maximum speed of 160 km/h etc.
G = up to 90 km/h
J = up to 100 km/h
L = up to 120 km/h
M = up to 130 km/h
N = up to 140 km/h
P = up to 150 km/h
Q = up to 160 km/h
R = up to 170 km/h
S = up to 180 km/h
T = up to 190 km/h
H = up to 210 km/h
V = up to 240 km/h
VR= more than 210 km/h
W = up to 270 km/h
ZR = more than 240 km/h
Y = up to 300 km/h
TIRES DOT
Give the age of the tire a special attention, because old and fragile tires can become life- threatening. When were the tires manufactured? The answer to the manufacture date is indicated by the DOT number.
These three to four number digit code, shows the calendar week with the first two positions, the year in the following positions. From 1990 to 1999 manufactured tires show an aditional triangle beside the DOT number and a tire starting from the year 2000 has four digit numbers.
For example: 237 means calender week 23. and year 1987.
499 "triangle" means week 49. year 1999.
3006 week 30. year 2006.
The life span of a tire is approx. 10 years.
SKID DEPTH
With a depth of 2 mm the handling of the car decrease clearly. The profile of the tire is the life insurance of the driver and his passengers and should be examined. Turn the steering wheel completely into one direction, so that the tires are completely visible. Choose a place with a minimum of skid depth and do your measurement. If you do not have a tire tread gauge for a measurement, take a 1 euro coin, their golden edge measures 3.5 mm, or a 20 sen Malaysian coin, approx. 3.5 mm if you can not read the letters of "sen" any more.
Fact About The Digital Pressure Tire Gauge
All tires need a certain amount of pressure to operate properly. This is usually prescribed by the car manufacturer. Under normal conditions, it is possible to maintain a constant air pressure inside the tire, as long as there are no defects in the tire and the external weather conditions do not change...
A tire pressure gauge is a device that can measure the air pressure inside a tire. Damaged, old, or worn out tires tend to lose their air pressure fairly quickly. Therefore, investing in a tire pressure gauge is a great way to make sure that you always have the optimum air pressure in your tires.
Setting the correct tire pressure is virtually a science. While the recommended factory settings will work out great for normal day-to-day driving, in more competitive conditions, improper tire pressure can have wide ramifications. In most competitive motorsports, for example, a lot of attention is given to the air pressure in the tires at any point during a race as the tire pressure can have a significant impact on the vehicle's performance and fuel efficiency.
A digital tire pressure gauge consists of a digital readout (i.e., LCD screen), at one end, and a valve that matches the tire valve at the other end. When it is placed over the tire valve, the air inside the tire exerts a force on the device. This force is converted into a numerical value and displayed on the screen.
Digital tire pressure gauges tend to be very accurate. The error range in some models is as low as +-0.05 psi over a range of 5-150 psi. While these can be fairly expensive, investing in one can save you a lot of money over the long run as your car's performance and fuel efficiency, not to mention tire life span, will improve significantly if you maintain the optimum tire pressure as recommended by your car manufacturer.
Digital tire pressure gauges tend to come in a wide variety of shapes and sizes. Because of their digital nature, they can be molded into any shape. When you're out shopping for one, make sure to get something that is ergonomically designed and is easy to handle and use. If you have poor eyesight, get something that has a large LCD screen with clearly visible readings. It is also wise to go for a model with a backlight, as you might have to use the device in the dark or in bad weather conditions.
A battery powered pressure gauge is recommended over one that is powered by an electrical unit as you can toss the battery powered device into your trunk and use it outside your garage. Always remember to keep an extra set of batteries handy.
A true auto-enthusiast might want to go for a model that will allow him to connect it to the air compressor valve and the tire valve simultaneously. This will let you adjust the tire pressure as you read it, saving you oodles of time and effort.
There is a wide variety of models when it comes to picking a digital tire pressure gauge. You shouldn't go over the top and pick up a fancy $200 model. Just get something that is within your budget and is accurate enough for your needs.
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