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#694562 - 06/19/04 02:20 AM 2 new tires......mount on front or rear?
mikep Offline



Registered: 01/07/03
Posts: 1181
Loc: NJ, USA
The reason my car was pulling to the right after having brand new tires put on turned out to be a bad tire. They checked the alignment and it was spot on. Normally, since the tires are only on the car for two days they would replace the single bad tire but since the car spent all day yesterday flogging around Pocono Raceway at over 100 mpg, they've developed more wear than a two day old tire normally would. So, in light of that the tire dealer is ordering a pair of new tires instead of only one.

Now my question is do the brand new ones go on the front or rear (front wheel drive car?). It is my understanding that anytime you replace only two tires they always go in the rear regardless of front or rear wheel drive. Any tire experts out there to confirm or dispute this for me? He (the manager at the shop) mentioned putting the new ones on front. His reasoning is they will wear faster in front and more quickly even out with the rears in terms of wear.

Again, normally with two day old tires it shouldn't matter one bit but given the one very hard day of useage they would probably take 4-6 months of normal street use to wear as much as they did yesterday.

Silver lining in all this? I know this local dealer is a class operation that does what they need to do to make things right and have customers walking away happy. Plus, I had my alignment checked for free [Smile] .

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#694563 - 06/19/04 02:36 AM Re: 2 new tires......mount on front or rear?
tom slick Online   sleepy


Registered: 05/26/03
Posts: 8626
Loc: Central Coast, Calif.
i've always been told that the new tires go in front because you want your best tires steering the vehicle.

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#694564 - 06/19/04 02:37 AM Re: 2 new tires......mount on front or rear?
sbc350gearhead Offline


Registered: 06/26/03
Posts: 2556
Loc: Columbus Ohio
I would put them on the front. In a FWD, the front tires are the ones that need maximum traction, as they do the duty of acceleration and turning.

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#694565 - 06/19/04 03:25 AM Re: 2 new tires......mount on front or rear?
k1xv Offline


Registered: 04/29/03
Posts: 1108
Loc: Southern Vermont
[QUOTE]Originally posted by mikep:
[QB] The reason my car was pulling to the right after having brand new tires put on turned out to be a bad tire. They checked the alignment and it was spot on. Normally, since the tires are only on the car for two days they would replace the single bad tire but since the car spent all day yesterday flogging around Pocono Raceway at over 100 mpg, they've developed more wear than a two day old tire normally would.

=====================

Gee, what kind of car can be flogged around a race course and still get 100 mpg? I would love to have one with gas prices where they are. [Big Grin] [Big Grin]

Seriously, with a FWD car, I would put the new ones on the front.

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#694566 - 06/19/04 03:36 AM Re: 2 new tires......mount on front or rear?
mikep Offline



Registered: 01/07/03
Posts: 1181
Loc: NJ, USA
quote:
Originally posted by k1xv:
Gee, what kind of car can be flogged around a race course and still get 100 mpg? I would love to have one with gas prices where they are. [Big Grin] [Big Grin]

Seriously, with a FWD car, I would put the new ones on the front.

LOL....I really need to start proof reading my posts [Duh!] . After reading my last post about getting the tires I was mortified. That is pretty funny.

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#694567 - 06/19/04 04:40 AM Re: 2 new tires......mount on front or rear?
totttalled Offline


Registered: 10/21/03
Posts: 213
Loc: Central California
According to two local shops, the best tires are to be on the rear. They refuse to put singles or pairs on the front. This is regardless of drive wheels. They claim it is a safety issue, in the event of emergency handling.

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#694568 - 06/19/04 05:48 AM Re: 2 new tires......mount on front or rear?
goldfinger Offline


Registered: 07/15/03
Posts: 235
Loc: Ar
quote:
Originally posted by totttalled:
According to two local shops, the best tires are to be on the rear. They refuse to put singles or pairs on the front. This is regardless of drive wheels. They claim it is a safety issue, in the event of emergency handling.

Ditto. Exactly what I've heard.

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#694569 - 06/19/04 08:10 AM Re: 2 new tires......mount on front or rear?
k1xv Offline


Registered: 04/29/03
Posts: 1108
Loc: Southern Vermont
In the days before ABS, I would have agreed that the better tires should go on the rear.

Does the recommendation that the new tires go on the back take into account the fact that most cars these days have ABS?

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#694570 - 06/19/04 08:17 AM Re: 2 new tires......mount on front or rear?
Thomas Pyrek Offline


Registered: 02/18/04
Posts: 575
Loc: Wisconsin
you always want to put your best tires on the rear of the car. It's much easier to regain control of a car in an understeer condition than an oversteer condition.

quote:
Originally posted by k1xv:
Does the recommendation that the new tires go on the back take into account the fact that most cars these days have ABS?

Yes they do. That's not the issue. ABS is not even a minor part of overall traction.

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#694571 - 06/19/04 08:48 AM Re: 2 new tires......mount on front or rear?
seotaji Offline


Registered: 02/16/04
Posts: 1139
Loc: USA
how much wear is there on old tires?

if it's greater than 70-80% then move them to the rear as they will wear far slower than the front. i don't think you will have to worry about under or oversteer just yet.

new tires up front.

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#694572 - 06/19/04 03:40 PM Re: 2 new tires......mount on front or rear?
eljefino Offline


Registered: 06/15/03
Posts: 24644
Loc: ME
Most FWD cars are set up to understeer substantially. Of course since you were racing at 100+mph maybe you don't have the typical enconomy sedan. Anyhow better traction in front should give more neutral handling. On dry roads it doesn't really matter how much tread you have; it's the rubber compounds and tire design that hold the road: A somewhat used tire of the same model should perform fine. I don't push the limits in wet or snowy weather so I don't mind putting new tires on the front. (I do run dedicated snow tires equally worn on all four.)

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#694573 - 06/19/04 05:43 PM Re: 2 new tires......mount on front or rear?
CapriRacer Offline


Registered: 02/22/03
Posts: 2597
Loc: Somewhere in the US
Just so everyone understands:

If the vehicle was pulling before you went to Pocono, then you got a good deal out of your tire dealer. If the pull occurred AFTER, you got a GREAT deal, as turning in one direction can cause a wear pattern that is similar to camber, which can result in a pull, meaning the tire wasn't the source of it going "bad".

If you query tire manufacturers, you'll find that they all say "Put new tires on the rear". This is because if a vehicle hydroplanes and the new tires are on the rear and loss of control occurrs at the rear, then that is just one of those things. However, if the new tires were on the front and loss of control occurs at the rear, then the arguement is that the vehicle wouldn't have lost control if the tires with the most hydroplaning resistance (the deeper tread) were on the rear.

All the other possibilities come down to the "driver error" argument.

So from the point of view about what's "safest", then the new tires should go on the rear.

Hope this helps.

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#694574 - 06/19/04 08:51 PM Re: 2 new tires......mount on front or rear?
mikep Offline



Registered: 01/07/03
Posts: 1181
Loc: NJ, USA
quote:
Originally posted by CapriRacer:
Just so everyone understands:

If the vehicle was pulling before you went to Pocono, then you got a good deal out of your tire dealer. If the pull occurred AFTER, you got a GREAT deal, as turning in one direction can cause a wear pattern that is similar to camber, which can result in a pull, meaning the tire wasn't the source of it going "bad".


When I dropped of the car to have the new tires put on it was tracking straight and true. As soon as I pulled out the dealer I called them up to tell them it was pulling fairly hard to the right. Since it was closing time for them and I was of to the track at 5:00 am the next morning, it had to wait until Saturday.

I agree that this shop, and manager in particular, are really going the extra mile to make things right. I purchased a set of Nokian winter tires for my wife's Pathfinder there last fall and now he's getting prices on a set of Nokians and steel wheels for my car to use this winter. Maybe that has something to do with his willingness to assist [I dont know] .

What Thomas Pyrek said does make a lot of sense. I'll send an email to Brigestone/Firestone and see what they say. Will post their response for the group.

Thanks for all the replies gang [Cheers!] .

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#694575 - 06/20/04 01:41 AM Re: 2 new tires......mount on front or rear?
Whimsey Offline


Registered: 12/22/02
Posts: 3138
Loc: The Garden State
My 2 cents, for what it's worth is to put the new replacement tires on the front. Your tires on the rear are still relatively new. If they were "baloney" skins and you could only replace 2 tires then yes put them on the rear. Because a blow out in the rear tires is more dangerous than if in the fronts. Your front tires are going to wear faster than the rears. So if you put the 2 new tires on the front, by the time you rotate all 4 tires @ 5,000 miles the new fronts will probably have the same amount of tread as the "old" rear tires. Of course all bets are off if you hit the track again [Big Grin] .

Whimsey

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#694576 - 06/23/04 07:29 AM Re: 2 new tires......mount on front or rear?
MNgopher Offline


Registered: 09/17/02
Posts: 3037
Loc: Lakeville, MN
The best tires always go to the back. Granted in this case, the amount of wear on the current rears may not be much...

But get in a situation where the rear end goes when you don't want it to, and watch out!

I learned my lesson the hard way on my old cavalier. I though I was smart and put the better tires on the front for better traction. That lasted less than a week after my rears locked on me and sent me into a 720 spin through a busy intersection... Never again! [Frown]

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