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Tire Fit Question

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Old Nov 23, 2009 | 09:48 PM
  #1  
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07-IS350
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Default Tire Fit Question

Will 245/40R18 Blizzak snow tires work OK on an IS350?

I have 18" wheels.
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Old Nov 23, 2009 | 10:19 PM
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Yes, I don't see why not...
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Old Nov 23, 2009 | 10:47 PM
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On the back yes. On the front I very seriously doubt it with the offset of the factor wheels. My front stock 225/40/18 Bridgestone was rubbing part of the suspension. I think the part of the tire that was rubbing on the Bridgestone was the rim protector part of the tire. It's the part of the tire that sticks out further to protect the rims. You can see in the picture where the tire was rubbing. They were stock 2007 IS350 18" rims. No mods to the car at the time either. The dealership had no explanation. I have Volks now so no issues. I would stick with a 225 up front.

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Old Nov 23, 2009 | 11:01 PM
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You were rubbing the suspension on stock 225?? First time I heard this....
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Old Nov 24, 2009 | 07:40 AM
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the front offsets isn't that aggressive for you tires to be rubbing with 225.
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Old Dec 4, 2009 | 09:01 AM
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I'm looking at the Blizzak tires too for my 2008 IS 350 also (I bought it new in January, this will be my first full winter).

I just posted in the 2009 IS350 Snow tires - HELP thread. There was a discussion on there too. Seemed ultimately the 245/40R18 and the 235/40R18 would be good tires for going all the way around. I'm just wondering if keeping them staggered would be better for performance. We have pretty mild winters here in the Baltimore/DC area - don't get snow too often, get winter weather a little more.

If I stay with my current staggered setup, the only options I get on tirerack.com are the 225/40R18 & 255/40R18 Blizzam LM-60, Blizzak LM-60 RFT, and the Dunlop SP Winter Sport 3D.

I'm going to take my summer Bridgestone ER33 tires off and mount the winter ones on the original rim. Next Spring I'll put the ER33s back and and probably finish them off. The car's currently at 17k miles and the orig stock ER33 tires are at 5/32 in the rear and 6/32 in the front.

Maybe next year I'll get some winter wheels to make everything easier, but I do like mounting and remounting on stock rims because a) I really like the way they look, b) I like that I have the ability to work a balance in during the mount and c) move the tires to different sides when they're put back on.
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