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Over Inflation
While underinflated tires vastly reduce fuel economy, the
overinflated tires have its own set of risks. Though it is a
somewhat lesser issue (in terms of occurrence but definitely
not in terms of safety) as compared to underflated tires but it
is a problem nonetheless and should be avoided.
Overinflated tires have the following
characteristics:
* They are stiff and thus the areas of
contacts with the road are somewhat reduced.
* Overinflated tires are riding on just
the centre portion of each tire treads, wearing out the centre
portion of the tires faster than the edges, thus shortening the
useful lifespan of the tires.
* Being stiff, overinflated tires
are therefore more prone to punctures by foreign sharp
objects.
* Overinflated tires are more likely to
give more bumpy rides with less cushioning compared to tires
with correct pressure.
* They offer substantially lesser grip
with the road due to smaller footprint on the road and
subjected to spinning and skidding when certain thresholds are
crossed under certain situations such as cornering at high
speed or sudden brakes carried out on wet conditions.
The Correct Tire Pressure and How to keep to it?
Fortunately, running your car around with the correct
pressure is relatively easy.
The first question that you have to ask yourself is: What is
the correct pressure for my car? The correct pressure for your
car's tire usually depends on the load on the tire and is
usually provided by the vehicle manufacturer on the user's
manual and on the doorjamb (or doorpost), and never what is
listed on the tire itself.
The next thing that you have to do to make sure that your
tires roll well, is to make sure you check you tires pressures
at least once a month, and maintained them at the correct
levels. Do note that checking of tire pressure has to be done
when your tires are cold, i.e. they are not used for at least 3
hours - 'hot' tire will give an 'inflated' pressure number and
showing a misleading result on the tire gauge.
Bottom line:
Make sure that you know the correct tire pressures for your
vehicle, and take steps to ensure the consistency and integrity
of your tires pressures and lastly, check your tires pressures
regularly to make sure that they are at the correct pressure
levels to improve fuel efficiency, better and safer handling
and increase the longevity of your tires lives which translate
into money saved.
More importantly, having the correct tire pressures mean
that you can be in better control of your car, lesser chances
of experiencing tire blowouts or punctures and therefore
preserving your precious life and your love ones. Drive
safe.
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Tires
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