The
best advice is said to come from experience. Little did I expect
that I would have an experience that would confirm my own advice. A
couple of years ago, my wife demonstrated what can happen to an AWD
car with ABS and summer tires when a freak snow storm hits. The
details can be found on The
Accident page.
The Snow Tire FAQ Knowledge Base
The Snow Tire FAQ has been re-organized to make it easier to access. All of the questions that used to be stored on one page are now stored in a series o f pages in the Snow Tire FAQ Knowledge Base. This will (hopefully) allow them to be updated more easily, and also allow registered users to add their own comments.
The previous, one page version of the Snow Tire FAQ can be found here.
After a very unexpected server/web-host issue, the Snow Tire FAQ is back online running on a new sever with a new host. I believe everything is now operating correctly, but feel free to check it out and send me a message if something isn't working.
Unfortunately, this latest hiccup showed up my one weakness: regular backups. As such, all messages, posts and e-mails were lost between March 20 and May 30, 2008. I will be working to make sure backups are a bit more frequent and off-loaded from the server more often.
The studded Nokian Hakkapeliitta 4s have made it through three winter seasons of hard driving. They have been the staple tire on my rally car. So, how are they holding up?
For one, the number of studs still left in the tires can be counted on two hands. Well, maybe three. The abuse that the tires have taken in the winter rally season has left most of the studs missing or point less. It has also left the tread depth lower than I would want at the beginning of next season. Even still, they continue to do quite well in the snow.
But how do they do on hard pack and ice. Last weekend, I got a chance to find out. The weather on Saturday was a mix between rain, freezing rain, sleet, and heavy snow. By Sunday morning, it had turned colder, and a snow was covering a layer of crusty snow-ice.
On Sunday morning, I headed out to church a little early with plans to find some empty parking lots. My search was quickly rewarded. The conditions on the parking lots varied. Some lots were a sheet of ice. Other parking lots were covered in hard pack snow.
It was very interesting driving the destudded Hakka-4s on the different lots. (I say destudded as there are less then 1% of the original studs still left.) On the ice, the lack of studs was quite apparent. I surprised myself (and my son) a couple of times by completely looping the car. I've almost never spun a car unless I set out to. On the bare ice, there was just so little traction that I found I couldn't hold a moderate slide without spinning. After one such spin that left the car sliding backwards, I noticed the distinct lack of studs as the only two studs left in contact with the ice left their tell-tale scratches in the ice.
The story was completely different on the hard pack snow. Here, the tread compounding and tread patterns worked surprisingly well. The car maintained a great deal of control. While it did not bite into turns as well as I hoped, power slides were easily controllable and correctable.
For the past few
years, the Snow Tire FAQ has conducted Real World Snow Tire Tests.
The Tests are done on real world cars, driven in real world weather
in Rochester,
NY, USA.
2008 Real World Snow Tire Tests
Plans are already underway for the 2008 round of the Real World Snow Tire Tests. More information can be found in this forum, and the general announcement can be found in this news article.
2006 Real World Snow Tire Tests
Have been completed. While we
originally hoped to have 5 tires from 4 manufacturers, there
were some last minute changes, and we lost one manufacturer.
We did still end up with four sets of tires to test.
Green Diamond Icelander (friction all year tire, 195/60 R 15)
Nokian Hakka-4 (studded, 195/60 R 15)
Nokian RSI (friction ice tire, 195/60 R 15)
Vredestein SnowTrac 2 (high speed snow tire, 195/60 R
15)
As in the past, our test fleet will consist of
RWD cars, specifically Volvo 900 series cars. We will also be
doing another Shoot-Out.
The lastest on the preparations for the 2006
Real World Snow Tire Tests can be found in
this forum topic.
Last year, the Snow Tire FAQ added the Snow Tire FAQ
Forum. For this year's Real World Snow Tire Tests, we
are using a section of the forum for our test
logs. The test logs are being constantly updated by the
testers with their latest comments and reviews. Be sure to
check it out often to see how the tests are progressing.
2004 Review
After taking a year off, we did it again. We
tested six tires from five manufacturers. All of them were are
good, but none of the are the same. Read the review to find out
more. The review can be found both in Adobe
Acrobat (PDF) format, and as a Web
Page (HTML).
The tires are (in alphabetical order):
Bridgestone Blizzak WS-50 (185/65 R 15)
Green Diamond Inari (185/65 R 15)
Kuhmo KW11 (195/60 R 15)
Nokian Hakkapeliita-2 (195/60 R 15)
Nokian WR (195/60 R 15)
Toyo Observe (185/65 R 15)
Having been the
first in the local rally crowd to try Bridgestone Blizzaks when
they were first introduced to the US, I have been anxious to see
how well they have evolved. I can't wait to try them out.
Since their US
introduction, Green Diamond tires have been the one brand that I
have most been asked about. The technology looks great, and I can't
wait to see what they will do. I've been warned that they need up
to a 500 mile break-in period to expose the \u201cgreen diamonds,\u201d
so I need to get them on soon.
After putting a set of summer Kuhmo's on my
daily driver, I have gained a new appreciation for this company. If
their snow tire is like their other tires, it should do very well.
Once again, Nokian
has decided to enter the fray and is providing two sets of tires. I
first learned about Nokian snow tires back when they were still
sold under the Nokia label. They have always done well.
For several years,
I have seen adds for the Toyo Observe tires and wondered how well
they will do. An acquaintance of mine loves the set on her car and
now we will finally get a chance to test them.
2002 Results
(summary)
As far as testing
snow tires, 2002 was not the best of years. On the personal front,
the purchase of a new home kept me busy through most of the fall.
On the weather front, Rochester, NY, had one of the warmest winters
in years, and snow was at a premium. Ironically, Buffalo, which is
75 miles west of Rochester had several record snow falls.
The weather also
reeked havoc on our plans to run time trials with the snow tires on
a local rally course. The track never got cold enough, long enough
to freeze and so was rendered unusable.
2001 was the first
year The Snow Tire FAQ did a Real World Tire Test. We took three
tires designed to be non-studded snow tires and ran them on nearly
identical cars. All three tires performed well enough to bear the
\u201cRecommended by The Snow Tire FAQ\u201d brand.
Hakkapeliitta
NRW (185/65 R 15) \u2013 A great all weather tire.
Traction on the dry is as good as many summer tires, and snow
traction is better then some snow tires. The tire is very
predictable and safe. Not the best of the three in snow nor ice,
but easily the best on the dry. Summary: Quite a good choice where
the number of days with and without snow are equal.
SnowTrac
(185/65 R 15) \u2013 "If you gave me a set of these, I would
thank you." These are very nice snow tires. On the "hill
climb" (100 ft of twisty, 30% grade driveway), they beat the
Nokian NRWs. They lacked the dry road feel of the NRW, but were
quite acceptable for a pure snow tire. Summary: A very nice tire.
Graspic DS-1
(185/65 R 15) \u2013 Hands down the best acceleration and
braking on ice and hard packed snow. It is obvious the designers
worked hard to maximize acceleration and braking. Unfortunately,
the lateral stability is not nearly as good and can surprise you
at times. There is a lot of potential here. Summary: If you don't
throw your car through corners like a rally driver, you will love
this tire, especially on ice and hard packed snow.
In-depth Report
An in-depth
review of the three tires
is now available. This review was also published in the \u201cFlying
Bricks\u201d column of Rolling, the magazine of the Volvo
Club of America.
Future Plans
We are currently
planning to continue the yearly Real World Snow Tire Tests and to
add new features to the test.
A Note to
Manufactures
If you don't see
your snow tires listed here it is probably because I have not had a
chance to try them. In the past, my experience has been with tires
I have bought myself. 75% of the recommendations are based on what
I have purchased with my own money. That's about one set of tires
every other year, and usually only tires I am familiar with.
If you would like
to be sure to get your snow tires evaluated, please considering
providing a set for evaluation. That's what Dunlop, Nokian, and
Vredestein did for 2001
Winter Tire Tests. For more
information, please send a note to john.werner@snowtire.info.
We will be
evaluating more tires in the Winter 2001-2002 season! For more
information, please refer to this Press
Release.
John's
Personal Picks
90% to
95% of the e-mail questions I receive are for my
recommendations.
The
Recommendations
I only personally
recommend tires I am familiar and have experience driving on. I can
provided information on other choices, but I can't recommend them.
I have broken down the list by tire brand.
In the past,
they have been here on the main webpage where editing them
was a non-trivial task. With the introduction of the Snow Tire FAQ
Forums, I have moved them to their own forum topic.
A Little About the Author
Who is John Werner
(the Author)?
By
trade, I am a software engineer working for a small company in
Upstate New York, which is now owned by a very big company from
Germany.
My automotive
experience comes from my love of cars. Before I had children, I
used to actively run road
rallies. My favorites were
the night rallies held on the snow covered back roads of the Finger
Lakes Region of New York State. It was running these events that
really convinced me of the need for good snow tires and started me
down a trail of learning that continues today.
A few years ago, I
expanded my automotive involvement by becoming the Competition
Editor for Rolling, the official magazine of the Volvo
Club of America.
For the most part,
more e-mail and my wife's complaints about the amount of time spent
replying to it. There is the joy of seeing my web site listed on
the top of several search engines, but that may change. There's
also the fun of being able to help someone else out.
Once in a great
while, someone will actually click on one of the banner
adds on this site and buy
something from the merchants listed. When they do, depending on the
items, I may get somewhere between 1.5% and 5%. I say may, because
I have yet to see any revenue from them. (hint, hint)
What's NOT
in it for John?
I
don't receive money from tire manufactures, retailers, or marketing
agencies. My career is Software Engineering (particularly Embedded
Systems Architecture), and it is not auto related. Potentially,
there is a a very small commission from the banner
adds, but so far
it has barely covered web hosting costs.
This past winter,
with the large number of inquiries as to \u201cWhere can I buy
xxxxx?\u201d I toyed briefly with the idea of becoming a tire
dealer, then I quicklyrejected it. The Snow Tire FAQ
is unique from the stand point that I have nothing to gain (or
loose) from what I recommend or pan. Becoming a member of the
industry would jeopardizes my impartiality and credibility. That's
not something I am willing to do.
How can I support this Page?
That is definitely
a loaded question....
As an Individual
Try visiting one of
our sponsors
and making a purchase from them.
As a Business of
Corporation
I am willing to
talk to companies interested in sponsoring this page, but I will
continue to evaluate products on their performance. Put simply: If
QWERTY Rubber Company donates snow tires and even large sums of
cash, my evaluation of their product will be made on the basis of
the performance of their product, not their investment in this web
page. If the QWERTY AS-2 tire is the next greatest tire, I will say
so. If it is better used as a rope swing, I will say that too.
If you wish to
donate a set of snow tires to be evaluated, please look at this
note
to tire manufactures.
Show Your Support
The
Snow Tire FAQ has a two new logos. If you have found The Real World
Snow Tire Tests or The Snow Tire FAQ itself useful, please consider
showing your support by putting one of these logos in the window of
your car.
If
you have an ink jet printer, you can print your own copy of the
"Twin Mountain" logo from this high
resolution file. Clear,
static cling \u201cpaper\u201d for ink jet printers is available
from most office supply stores. Be forewarned, this stuff is not
cheap, but it does have some great uses. Alternatively, you may
want to print it on magnetic sheets, which are even more expensive,
but offer the ability to be put on any metal surface of your car.
[Okay, I hear the snickers from you people with fiberglass and
aluminum bodied cars.]
The Snow Tire FAQ was
originally written as a series of 4 mail messages back in October
of 1993. The topic of snow tires came up on the Talon
List; there was much
misinformation flying; and I decided I could add to it. Thus, I
wrote the first
of a series of 4 e-mails.
The topic was simple \u2013 Snow Tires. For the next couple of
years, when winter approached, I would resend the messages to the
few automobile lists I was on.
Somewhere during
this time (around 1996) the World Wide Web started to blossom. One
of the mailing lists I contributed to, the Talon-List, made a call
for people to write Frequently Asked Question pages on automobile
related topics. That was the push I needed to quickly throw the
articles into one web page. This was in 1997, and the page resided
on my personal web site, http://www.frontiernet.net/~werner.
For the next 4
years, the page remained pretty much the same. I toyed with
updating it, but never got around to it. Finally, in January 2001 I
looked at the pages and realized there have been enough changes
(and traffic) that I felt it deserved a little more attention.
In the fall of
2001, I started reading about a new set of web address, the \u201c.info\u201d
domain names. With this in mind, I decided to give The Snow Tire
FAQ it's own web address that was a bit easier to type then
\u201chttp://www.frontiernet.net/~werner/snowtire.htm\u201d.
The choice was simple: http://www.snowtire.info.
After
all of these years, The Snow Tire FAQ remains one of the only sites
for answers about snow tires that is not affiliated with a snow
tire manufacturer or retailer.
The Questions - Section 1
What does FAQ
stand for?
Frequently Asked
Questions.
Why a FAQ on Snow
Tires?
Because there are a
lot of people with a lot of questions:-) Seriously, because it is
something I feel strongly about, and I want to provide non-biased
information. I have seen other snow tire information, but it is
usually put together by a retailer or manufacturer. Working for
neither, I feel I can be more unbiased about what I say. I don't
have any agenda to sell people snow tires. I just want them to know
why they should consider them.
The winters of 1999
and 2000 provided me with even more incentive to make the issue of
snow tires known. Both winters brought back the snowy conditions
Rochester,
New York saw in decades
past. With it came a dozen or so accidents that read similarly...
Sport Utility Vehicle loses control in snow weather, flips, and
causes serious injury to occupants. A couple of these actually
happened on expressway fly-overs causing the vehicle to land 20 –
30 feet below the road. Looking at the photographs of the vehicles,
two things became evident. 1) the drivers weren't being careful,
and 2) none of the vehicles had snow tires. Simply having 4WD and
ABS is not enough, as evidenced by this incident.
Do I need
Snow Tires?
As a rallyist, I
look at it this way: A set of very good snow tires runs me $400. My
deductible on my insurance is $500. If I save the $400 and then get
into an accident because I was trying to run with summer tires on a
snow covered road, I am out at least $500. So, economically, I am
better off getting $400 of snow tires than paying $500 on my
deductible and having to put up with higher insurance rates.
A couple of years
ago I discovered that the cost of a new lower control arm for my
car was about the same as that for a set of very good snow tires.
So much for saving money and running the All-Season tires that came
on the car.
Do I have to spend
$400 on snow tires?
NO, you can
probably get away with $30 / tire. Even the low cost Snow tires
(not All-Seasons) will be better than a summer tire. (BTW: A big
question is what size tires you need. 215/50 R 16s are going to be
expensive no matter what tire you buy. 165 R 13s are always
cheaper.)
If you are willing
to leave the car home when it snows, or only drive a couple of
miles, you can probably get away without snow tires. If you plan to
drive any distance, and you live someplace is snows, you really
need to consider getting snow tires. Chains are NOT a
substitute for snow tires.
"But I have
an AWD car. I can get going in any weather!"
Yes,
but can you stop? One snowy night, I was coming back along a main
road and I saw an interesting sight: A brand new Jeep CJ stuck in
the rear end of a bus. Yes, he got going faster, but it didn't help
him when he went to stop.
"But I have
ABS and traction Control"
ABS will help you
keep from locking up the brakes, but you will not stop faster than
if you had snow tires. It will also not help you turn.
Traction control is
like AWD, it gets you going, but does not help with stopping or
turning. Automobile Magazine had a very good article on why to use
snow tires a few years ago. A year before that, they totaled an MR2
because they were driving it on a snowy road without snow tires.
(At the time, they said the car handled poorly in the snow!)
A good example of
what can happen to an AWD car with ABS and summer tires can be
found on the
accident page.
What about
All-Season Tires?
All-Season Tires
work fine in southern California's four seasons, none of which
includes snow. All-Season tires tend to be more of a marketing hype
then a real rating. There may be some All-Season Tires that are
good in snow, but most are junk.
A friend of mine
had All-Season Goodyear GT+4 tires on his 90 Talon TSI (AWD). At a
control I was working in a rally, he came through on time, but then
discovered that his All-Seasons tires and AWD did not help him stop
before the ditch. We spent 2.5 hours trying to get him out before
our sweep vehicle extracted him. The next year he got a good set of
Winter Snow tires and has not had problems since.
On this same rally,
I also worked the first control of the event. It was at the end of
a “seasonal use” road. When I pulled up at the top end
of the road, the snow-mobilers who were just loading up their rides
asked me where I was going. I told them I was going to the other
end of the road. “There ain't been no cars down this road in
two months. Ya' ain't gonna make it.” My RWD Volvo Turbo with
four Nokian Hakkapeliitta-10's made it without getting stuck. I did
discover that snow-mobiles do not take the same lines through
corners as cars and that their tracks are hard not to follow.
At the end of the
road, a farmer saw us and was nice enough to get out his plow
equipped tractor and make a place for us to stick our car out of
the way of the rest of the rally. A year later, he was busted for
supplementing his normal crops with a field of long leafed plants
used for “medicinal” purposes... No wonder he was so
friendly.
What is the
difference between "All-Season" and "All-Weather"?
All-Season
tires are not designed for severe snow conditions. They are
designed to have acceptable snow capability while providing the
best performance in summer conditions. Although most All-Season
tires have an M+S (Mud and Snow) rating, they do not meet the
Severe
Winter Service Traction Standard.
Recently, Nokian
introduced an All-Weather tire,
the NRW. It meets the new Severe Winter Traction Standard, yet can
still be run year round. It was originally designed for year-round
use in Finland, the home of Nokian Tires. The NRW was one of the
tires reviewed
in 2001.
What
is the new Severe Winter Traction Standard?
Back in 1998, many
people expressed the concern that the M+S (Mud and Snow) marking on
tires was becoming a bit of a joke. As long as the tire provided
some degree of M+S traction, it got the rating. The exact amount of
traction was a bit of a gray area based on geometric ratios. Some
M+S snow tires worked well in snow, and some barely worked
(particularly All-Season tires). To clarify the issue, the Rubber
Manufactures Association and the Rubber Association of Canada set
forth a new standard - the Severe Winter Traction Standard.
The standard was
introduced in February 1999, and is now in full effect. Many states
have already adopted it as the new standard, especially when it
comes to crossing snow covered mountain passes.
To
identify tires that meet this standard, a graphic symbol was
developed showing a picture of a snow flake superimposed over a
mountain range. Although most tires that meet this standard now
have it directly imprinted in the sidewall, not all of them are
marked. For instance, all Nokian winter and "All-Weather"
tires meet the standard, but the tires you order now may not yet
have the marking on them. According to a spokesperson for Nokian,
they are still in the process of updating their molds with the new
symbol.
Transport Canada,
an Canadian government agency, has this list
of tires that meet the new
standard. They try to keep it up to date, but there may be errors
and / or omissions.
The Questions - Section 2
Okay, so I need
snow tires. Should I get studded or unstudded?
The answer to that
is complicated, but your state or province may have already forced
the choice by passing a law against studded snow tires.
Studded snow tires
are a trade off. If you are on hard packed (frozen) mud, or ice,
they will grab better than anything except screws
and (possibly) chains. On the dry,
they will actually have less traction than the same snow tire
without studs. This is because on the dry pavement, you will
actually be running partly on the studs and you will not have as
much rubber in contact with the road.
Other draw backs to
studs include that they are much noisier, and some people claim
they chew up roads.
So, What choices
do I have?
Most tire
manufacturers make a true Mud & Snow (M+S) tire. Many now make
tires that meet the Severe
Winter Traction Standard.
Even among those with the same ratings (M&S, Severe Winter
Traction), the differences between the tires often come down to
trade offs made in design and purpose.
Snow Traction
Deep, heavy snow is
much like mud. It requires a tire with large tread blocks and good
size openings. The tire must be able to dig in yet not get clogged
at low speeds. If the tire can not expel the snow, it will start
making itself into a snow ball. This type of tire is the "classic"
M+S design. Classically, the blocks are large and have large voids
(empty spaces) between them. The tires sold for most trucks
(designed to see mud, regardless if they ever do) are
representative of this tread.
Lighter snow –
often found when the weather turns really cold, and there are no
salt trucks – allows a different tread design. The snow tires
designed for high speed driving in the snow are often designed for
lighter snow. The tread blocks are closer, smaller, often cut with
sipes (little grooves). Because the tread design relies on
centrifugal force to throw snow out of the tread, these tires often
do not work well at low speeds.
Ice
Traction
Ice
is a special case. The best tires for ice have 1/2" sheet
metal screws protruding from them. To make the tires, holes are
drilled through the tread and then screws are literally screwed
into the holes from the inside of the tire. Next, a layer of
protective material is put in. Since the holes will let air out, an
inner tube is used when the tires are mounted. The tires work on
ice because the screws chew into the ice to provide traction.
Needless to say, these tires are not welcomed on most public roads.
A more road-worthy
solution for ice is studded snow tires. Metal studs are inserted in
factory drilled holes in the tires. Since the holes are put in by
the factory and are not all the way through the tire, the tires do
not need an inner tube. The pattern and number of studs will make a
difference on the performance of the tire. In general, the more
studs, the better the ice performance of the tire and the worse the
dry pavement performance. (With studded tires, you are actually
always running partly on the studs.)
There are also
newer designs that work well on ice but do not use studs. The
non-studded
snow tires do not work as
well as studs, but they do a very good job.
"Can I stud
the snow tires I am already using?"
The answer is NO.
Once you have run on the tires, the holes for the studs become
clogged. Even if you could force a stud back in the hole, it is not
likely to stay. You can always remove studs from a snow tire, but
you can not put them in once it has been used.
“How do I remove studs from a tire?”
The procedure is
really simple. Pull out the studs. Most people who embark on this
use a pair of pliers and a great deal of patience. I have also
heard that squirting soapy waters in and around the holes helps. If
you use the soapy water, be sure to wash it off before you try to
drive on the tires. Never use oil. It can harm the rubber and does
not come off nearly as well as soap.
“What
About Studless (Friction) Ice Tires?”
Up until recently,
there was a big gap between studded snow tires and non-studded snow
tires when it came to performance on ice. Bridgestone, Nokian and
Dunlop are just a few of the manufactures that have closed that
gap. Although these tires work very well on bare ice, they do not
perform as well on snow covered ice, but if your state has outlawed
studs or you object to the noise of studs, they are worth
considering.
The Questions - Section 3
Now I know about
tires, what is out there?
Tires are almost a
religion to some people. I tend to have my personal favorites based
on my experience in running aggressive night rallies in winter in
the "outback" of New York State. Cost is much less of a
concern for me than is being able to run through 2 inches of snow
without losing much in terms of handling and performance.
Bridgestone
Blizzak
For the last few
years, Bridgestone
has made a very interesting tire –
the Blizzak. The tire is a true snow tire, but it is not designed
to be studded. The tire uses both a unique tread design and
compound to achieve its performance in snow and ice. For several
years after its introduction, the Blizzak was the choice of winter
rallyists who did not run studded tires.
The tread is unique
in a couple of ways. First, the tread has many sipes to help
remove the water and to form edges to help cut into the ice.
Second, the tread is made out of two different rubber compounds.
The tread compounds are not side-by-side as was done on the Pirelli
P-77, but rather stacked on top of
each other. The outer, soft compound is specifically designed for
traction on ice. Underneath that is an All-Season tread compound.
The tread depth has been increased so that you can get long service
out of both compounds. The people I have talked to tend to
anticipate 2 years as a real snow tire and a year as an All-Season
tire. The Blizzak has 2 sets of wear bars, so you can see where you
are on both tread compounds.
Nokian
My personal
favorite for winter tires are Nokian Hakkapeliitta. Nokian
is a Finnish company and the
Hakkapeliita is the name of their line of snow tires. The word
refers to legendary snow warriors.
Studded Nokians
There are several
Hakka's designed to be studded. Nokian studded snow tires typically
have 2 times the number of stud holes then other snow tires. This
excess of studs really helps their ice traction.
The legendary NR-09
was the tire that first introduced me to Nokian. [Back then it was
still called Nokia.] It is presently only offered in a few narrow
tire sizes.
Next came the
NR-10. The NR-10 has better traction then the 'legendary' NR-09 and
features a uni-directional tread design. The compound on the NR-10
is softer then the NR-09, so tread wear is higher. The sidewalls
are also less stiff, giving the tire better grip on irregular snow,
but less precision when turning.
The Hakkapeliita-1
is the successor the the NR-10. It is another great snow tire. The
Hakka-1 has a firmer sidewall then the NR-10, and therefore has
better response to driver input. Like the NR-10, it also features a
uni-directional tread.
Non-Studded
Nokians
In Nokian's
non-studded tires, the NRW is the only one I have experience with.
It is a great tire. It was reviewed
in 2001.
The Hakkapeliitta-Q
is a non-studded tire designed for ice traction, but I have yet to
drive it.
Dunlop
Another tire that
was reviewed
in 2001 was the Dunlop
Graspic DS-1. It has the
best ice traction, but is a bit disappointing when you try to
corner fast.
Vredestein
Vredestein is a
private, Dutch company. In 2001, the SnowTrac
was reviewed.
It is a very capable snow tire that is worth a look.
Section 4
What Size Tire
Should I Run?
This is always a
compromise. The best tire to cut through deep snow is a narrow one.
The worst is a wide one. Unfortunately, the best tire for lateral
traction is a wide tire. So, what is your choice?
Another piece of
the puzzle is dictated by the rim sizes you have or can get. If you
only have a 16x8" set of rims, then you will end up running a
wide snow tire.
Having driven
several Volvo's
over the years, I have 5 sets of rims of varying sizes that I use.
This gives me a choice of tire sizes for different conditions. The
stock tire size on my Volvos have been very similar in overall
diameter. They were 165 15, 195/60 R 15, and 195/65 R 15. My
“normal” snow tire size is a 185/65 R 15 on 15x6”
rims. For running winter rallies in Canada, I have a set of
165/80R15s mounted on narrow, 15x4.5” rims. The third set I
have is 185/70 R 14 mounted on 14x5.5” rims.
On my Mitsubishi
Galant VR-4 I use 185/65 R
15s tires (yes, carefully planned to be the same as my Volvo).
These are mounted on 15x5.5” steel rims I had modified to fit
the car. [Mitsubishi did not offer 15” steel rims for the '91
and '92 Galant VR-4's, and the oversized stock brakes do not allow
for 14” rims.] The original tire size was 190/60 R 15.
How many snow
tires should I buy?
As
many as you have wheels on your car. For most people, this is four.
If you put only two snow tire on your car, one end of the car will
have better traction than the other. This applies both on dry and
snow covered roads. In the snow, the snow tires will have better
traction. In the dry, the regular tires will have better traction.
The difference in
traction means that when you brake, turn, or accelerate, the two
ends of the car will want to behave differently. If the back end
has worse traction, you will spin. If the front end has worse
traction, you will keep going straight, even while trying to brake.
Neither is really a nice thing to have happen in a panic situation.
But, I used to put
two snow tires on the back of my....
Okay.
It really is your choice. You will find that if you invest in high
performance snow and pavement tires, the miss-match is a lot worse
then you ever got with the $20 special bias-plies. Many tire
manufacturers and retailers are now unwilling to sell just two snow
tires because they do not want to be liable for the consequences.
If you do decide to only go with two
snow tires, put them on the back of the car, regardless if it is
FWD, RWD, 4WD or AWD. It is a lot easier to deal with the car
understeering (wanting to go straight) than it is with the car
wanting to oversteer (spin).
Another thing to
watch out for is mixing different brands of snow tires. I know of
one person who ran two different brands of snow tires on his car,
and depending on which end of the car he put which brand made the
car either very easy to drive or completely undrivable.
If you do nothing
else, always match tires on the same axle. They should be the same
brand, type, pressure, and have the same wear. (I am talking no
gross differences in wear, and ignoring tire pressure changes for
racing, etc.) A tire with little tread will not do as well
in the snow as one with most of its tread.
For
those of you who missed it before, I will state it
again: The cost of four snow tires is probably less then the
deductible on your insurance!
Section 5
Who makes snow
tires?
There are many
brands of snow tires available. Here is a short list
It would be almost
impossible to list every tire outlet in every place people access
this web page from. [I have gotten hits from places as from from
the Unites States as Jamacia, Europe, Africa, Austrailia, and
Asia.] Luckily, I don't have to. Most manufactures provide dealer
information on their web sites. Please look check out the links in
this list
of snow tire makers.
What about hard to
find sizes?
I have received a
few questions about hard to find sizes.
165 R 15
Here are some
suggestions. (I have not driven all of these, but this is what my
research has yielded.)
I'm still working on this, and will be posting
something when I find out more.
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For this revision, I am using the Open Source version of
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By
trade, I am a software engineer working for a small company in
Upstate New York, which is now owned by a very big company from
Germany.
The
Snow Tire FAQ has a two new logos. If you have found The Real World
Snow Tire Tests or The Snow Tire FAQ itself useful, please consider
showing your support by putting one of these logos in the window of
your car.
If
you have an ink jet printer, you can print your own copy of the
"Twin Mountain" logo from this 
o
identify tires that meet this standard, a graphic symbol was
developed showing a picture of a snow flake superimposed over a
mountain range. Although most tires that meet this standard now
have it directly imprinted in the sidewall, not all of them are
marked. For instance, all Nokian winter and "All-Weather"
tires meet the standard, but the tires you order now may not yet
have the marking on them. According to a spokesperson for Nokian,
they are still in the process of updating their molds with the new
symbol.
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