LS - 3rd Gen (2001-2006) Discussion topics related to the flagship Lexus LS430

should i balance after changing rear tire size only?

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Old 07-13-11, 09:56 AM
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sojah
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Default should i ALIGN after changing rear tire size only?

i just changed my rear tires from 255x30x20 to 275x30x20 and did not change anything else (see below). i can visually see that it seems to have changed the negative camber to appear like slightly less negative camber. i am guessing this is because the tire is no longer stretched at all so its riding on more of the entire tire and not just the inside 1/4 as much.

i also took off a 15mm rear spacer and put on a 5mm rear spacer so i reduced 10mm of rear spacer.



OOOOPS I MEANT TO PUT SHOULD I ALIGN AFTER CHANGING REAR TIRE SIZE ONLY,, MODS CAN THIS TITLE BE CHANGED???

Last edited by sojah; 07-13-11 at 12:09 PM.
Old 07-13-11, 10:26 AM
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jadu
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the 275s are gonna be slightly taller tire. Are you lowered and did you have an alignment already done when you had the 255/30s?
Old 07-13-11, 12:05 PM
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sojah
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i had the car aligned immediately after putting on the 255x30x20 tires and setting the height at what i wanted. now i have just taken off a 15mm spacer, put on a 5mm spacer, and switched rear tires to 275x30x20's. i did not change the height of the car and it looks like it is tucking a little more rear tire cuz its a little taller which is good.
Old 07-13-11, 06:46 PM
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Bocatrip
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It's always a good idea to align and balance after changing any tires. Tires are so expensive these days, every bit of mileage you can get out of them helps.
Old 07-13-11, 10:14 PM
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I agree with Bocatrip.
Old 07-13-11, 11:39 PM
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mrxeb38
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Yeah man I would get an alignment
Old 07-14-11, 04:56 AM
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sojah
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thanks, guess i will be getting an alignment soon.

the car feels so much weirder driving it with the 275x30x20 (nitto 555) on the rear instead of a 255x30x20 (toyo proxes t1r). for one it is a lot louder, not sure if this is because more of the tire is actually up inside the rear wheel well or not. the car feels more boat like and seems to have a lot more body roll (this is really annoying). but on the positive it feels a lot more softer and forgiving believe it or not.

i used to think 275x30's were thin and rubber band-ish but after riding on 255x30's for 6 months these 275's feel like i'm riding on some 35 series tires all of the sudden.


BTW the fronts have always been nitto 555 (225x35x20)
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