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Discussion Starter · #1 ·
Any thoughts on a longer lasting tire for the IS-F? I have almost 10k miles on mine and it's getting cold here. I've looked around but can't seem to find a tire with an XL load rating. I've only found the Michelin A/S and the rear tires aren't XL rated.
 

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Some thoughts on tires for the "F": Of course the Lexus engineers during all of their testing chose a tire that they felt best suited the IS-F. As a matter of fact the Michelin was built specifically for the F if my memory serves me correct. (Any input from other F champs accepted here!) The tires that come on most high performance cars these days, especially in 19" are of a grippy compound that give pretty stellar handling. However, for that grip you give up treadwear...So the goal would be to find a good compromise in decent treadwear and good handling and braking performance. Toyo tire has a pretty decent tire that fits that bill in the T1-R. It is offered in the factory sizes as well as some plus sizes. (for the fuller size :D ) We use Toyo on almost all of our project cars because of the good wear characteristics, good looks and performance. BTW, factory IS-F tire size 225/40R19 93Y front and 255/35R19 96 Y rear.
As far as the XL load ratings go, you can also look at tires that are designated as RD or reinforced. They are classed with the XL tires:
Quote from Toyo:

Standard Load vs. Reinforced (RD) or Extra Load (XL)
‘Reinforced’ and ‘Extra Load’ both refer to the tire’s ability to carry
additional load capacity at a higher inflation pressure compared to
standard load tires. The sidewall of the tire is marked with either
“REINFORCED” or “EXTRA LOAD”.
If these markings are absent on the sidewall, then it is inferred that it
is a standard load tire.

The Toyo T1-R in the 19" size for the "F" are RD.

http://www.toyo.com/docs/tires/tires.asp?lpid=18966&name=Proxes%20T1R%99&category=sport#
 

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What Doug said about the wheels is correct. Michelin did develop the Ps2 for the F (nearly positive) as well as BBS developed the wheels specifically for the F :cool:

I have heard the Toyo tires are decent for the F, might want to look at them and give them a try if your interested :)
 

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The PS2 was designed by Michelin for the IS-F, and then Michelin gave the specs to Bridgestone at Lexus' request for production of the Potenza RE050A.
 

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Discussion Starter · #6 ·
I'll have to look into the Toyo's thank you very much for the info.
 

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Those tires on that car could need replacing as soon as 10k miles depending on your driving style. I know some are being replaced at between 15k-20k.
 

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I just changed out my Bridgestone's to the Nitto Invo and absolutely love them. Very quiet without compromising the rigidity needed for cornering. Michelin was the first choice, but I saved nearly $800 going with Nitto. Good luck.
 

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I just changed out my Bridgestone's to the Nitto Invo and absolutely love them. Very quiet without compromising the rigidity needed for cornering. Michelin was the first choice, but I saved nearly $800 going with Nitto. Good luck.
Awesome! Any pics? These are the ones I want to go with :D
 

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Michelin?

I've never seen an IS-F with Michelin tires, does any one own one? Are Michelin found in any section of the country? I've only seen Bridgestone.
 

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I've never seen an IS-F with Michelin tires, does any one own one? Are Michelin found in any section of the country? I've only seen Bridgestone.
Almost everyone in this forum have Michelins on their cars, except for some (including me). :(
 

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I've never seen an IS-F with Michelin tires, does any one own one? Are Michelin found in any section of the country? I've only seen Bridgestone.
A majority of member's have requested the PS2's be put on there car upon purchase. They should be available from any dealership in the country
 

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Mine came with bridgestones, i didn't know that I could have requested michelins. =\
 
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