IS F (2008-2014) Discussion topics related to the IS F model

what is a good tire brand for 285 25 20...vredestein ultrac sessanta are junk

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Old 11-07-12, 03:13 PM
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1supra
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Default what is a good tire brand for 285 25 20...vredestein ultrac sessanta are junk

ve had nothing but bad luck with these vredestein ultrac sessanta tires,I had one front and one rear tire just fall apart and delaminate at the edge to the steel belts at only about 6 months old 8k miles .the others wore out very fast as well.
Im looking for a tire for a 10.5 inch rear wheel,285 25 or maybe 30 series 20 inch wheel
245 30 20 fronts. something that isnt noisy or too expensive and has really good tread wear.

On a lexus im wondering if I would be better going with a 295 25 or 285 30 in the rear and 255 30 or 245 35 for the front..the prev tires had the sidewall kinda layed back,not really stretched but im looking for comfort and read wear,I could care less about having band aid stretched tires to achieve a look!



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some other info with issues with alignment...https://www.clublexus.com/forums/gs-...ml#post7587152
Old 11-07-12, 06:01 PM
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lobuxracer
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Fix the alignment. It's not the tire's fault.
Old 11-07-12, 06:57 PM
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dkangphoto
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thats a camber induced tire seperation.
Old 11-07-12, 06:58 PM
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dkangphoto
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i would recommend a directional tire so you can flip the tire when the inside shoulder starts to wear out.
Old 11-07-12, 07:30 PM
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1supra
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this is a front tire,there is not that bad of tire wear at all on the front tires.Its the rear that is wearing out on the inside edge....there is no way the tire should be coming aprt like this..one of the rears wore all the way down to belts and didnt do that. the tire looks cheaply made where the rubber molds together also,if you look close you can see the a thin line of rubber standing up,almost like a retread looks like.
Old 11-07-12, 08:17 PM
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Originally Posted by dkangphoto
thats a camber induced tire seperation.
No it isn't. It's toe induced edge wear.
Old 11-07-12, 08:46 PM
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1supra
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id have to agree its toe as well its just slightly more worn at the very edge...it still shouldnt have seperated like that though.
Old 11-08-12, 10:21 AM
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UCrazyKid
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I've run vredestein ultrac sessanta on my ISF for 22,000 miles and still have at least another 8K left on them. Previously I ran the Michelin PS2's for 18K miles. I have a stock suspension (ride height) and an alignment similar to lobuxracer's suggested. These have been the best tires I have every owned for the price/performance ratio. I have NO unusual wear or tire construction problems and will buy them again. I'm running 245/35/19 and 275/30/19.

It seems pretty obvious your problem is an alignment issue, suspension issue or sizing issue.

Lobuxracer knows what he is talking about.
Old 11-08-12, 01:13 PM
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2ndGF
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Originally Posted by lobuxracer
No it isn't. It's toe induced edge wear.
Lobux, why are you saying its toe? I would think camber as well - I had this same problem on a previous vehicle - and coming from an off-road baja background camber, caster, and toe were huge issues when customizing suspension



Old 11-08-12, 01:20 PM
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UCrazyKid
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It is my understanding that camber does not affect inner tire wear until you are more than -3 degrees. Changes in toe are much more drastic on tire wear.
Old 11-08-12, 02:48 PM
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DarkShadow
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Originally Posted by lobuxracer
No it isn't. It's toe induced edge wear.
^^^^^This^^^^^
Old 11-08-12, 06:41 PM
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Originally Posted by 2ndGF
Lobux, why are you saying its toe? I would think camber as well - I had this same problem on a previous vehicle - and coming from an off-road baja background camber, caster, and toe were huge issues when customizing suspension
They all work together and they all impact tire wear, but for camber less than +/- 2.50 degrees, camber isn't the main culprit. Improper toe will wear out a tire faster than anything except camber so extreme the tire is never actually riding on the tread. Many VIP setups are in this ballpark.

The rest of us who are concerned about tire life and mechanical grip are running mild camber and focused on toe issues to solve the usual wear problems.

Keep in mind, the average street tire likes at least 0.5 degrees of camber which is why you typically see street alignments with -0.5 degrees of camber on even something as vanilla as a Camry.

IME, if you get the toe right, you'll get the most out of your tires unless you have worn bushings, ball joints, or tie rod ends. Or, as in the F's case, a LCA bushing so soft it deflects heavily under braking - which causes extreme toe out...
Old 11-09-12, 10:04 PM
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1supra
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more good info
with my current toe settings I posted,would you expect to see such quick tire wear...
Old 11-09-12, 10:12 PM
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Originally Posted by 1supra
more good info
with my current toe settings I posted,would you expect to see such quick tire wear...
Yes, I would. That's why I suggested setting it to the minimum spec. It works on the Supra just fine, I bet it will be your best starting point for solving the issue.
Old 11-09-12, 10:37 PM
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Murph145
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Yup toe wear not the tires fault at all


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