IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Tires for best IS350 traction, stock 255 size?

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Old 03-24-10, 11:22 AM
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gnode
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Default Tires for best IS350 traction, stock 255 size?

Anyone know what tires will allow me to launch my IS350 without the traction control having to go nuts on it? It seems like the bad stock tires are the biggest detractor from performance off the line.

I had dunlop direzza z1s on my old car and they held 350 hp and 310 torque with no spin on 245s but I can't get them in 18 255 40.

I definitely want stock size of 18 255 40.

So, anyone here have tires that hold up on the launch and don't spin?
Old 03-24-10, 01:27 PM
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projectdna
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michelin pilot sport ps2's for the budget-UNconscious.

hankook ventus v12 evo's for the budget-conscious.
Old 03-24-10, 01:31 PM
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Kurtz
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Originally Posted by gnode
Anyone know what tires will allow me to launch my IS350 without the traction control having to go nuts on it? It seems like the bad stock tires are the biggest detractor from performance off the line.

I had dunlop direzza z1s on my old car and they held 350 hp and 310 torque with no spin on 245s but I can't get them in 18 255 40.

I definitely want stock size of 18 255 40.

So, anyone here have tires that hold up on the launch and don't spin?

This article might be relevant to your interests:

http://www.caranddriver.com/reviews/...mparison_tests


Personally I'm putting the Hankook V12s on my IS350 once my OEMs are done... better dry handling than the PS2s, better wet braking than the PS2s, quieter, and half the price with a higher treadwear rating.

Last edited by Kurtz; 03-24-10 at 03:17 PM.
Old 03-24-10, 01:32 PM
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syzygy
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look into toyo t1rs
Old 03-24-10, 08:19 PM
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lobuxracer
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You didn't have 310 ft-lbs at the wheel, and I doubt you were launching at your peak torque rpm anyway.

The IS350 has a very low first gear and a low final drive gear, so torque at the wheel (which is the only place it really matters) is going to be a lot higher than many cars. This is a big part of why you're having traction issues.

If you really want it to stick, you're going to need more tire than a 255.

Just for giggles, keep in mind the geartrain between the engine and the wheel is going to multiply the engine's torque by 14.37 in first gear...

Last edited by lobuxracer; 03-24-10 at 08:29 PM.
Old 03-25-10, 03:37 AM
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MrHarris
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V12's for budget, AD08 for no budget.
Old 03-25-10, 07:03 AM
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uz07lex
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Originally Posted by projectdna
michelin pilot sport ps2's for the budget-UNconscious.

hankook ventus v12 evo's for the budget-conscious.

I got the Michelin pilot sport as plus and ive been trying to burn out for some time. Tires are great on grip when its dry and wet.
Old 03-25-10, 08:00 AM
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Jetfire
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Originally Posted by Kurtz
This article might be relevant to your interests:

http://www.caranddriver.com/reviews/...mparison_tests


Personally I'm putting the Hankook V12s on my IS350 once my OEMs are done... better dry handling than the PS2s, better wet braking than the PS2s, quieter, and half the price with a higher treadwear rating.
+1, i'm getting V12s too once i get some new wheels. Can't stand the crappy RE92s performance in light dusting of snow and rain. hydroplanes so easy.

Hankooks have really good wet performance. perfect for rainy Vancouver.
Old 03-25-10, 01:23 PM
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Mv350
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hankooks!!!!
Old 03-25-10, 08:17 PM
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gnode
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Originally Posted by lobuxracer
You didn't have 310 ft-lbs at the wheel, and I doubt you were launching at your peak torque rpm anyway.

The IS350 has a very low first gear and a low final drive gear, so torque at the wheel (which is the only place it really matters) is going to be a lot higher than many cars. This is a big part of why you're having traction issues.

If you really want it to stick, you're going to need more tire than a 255.

Just for giggles, keep in mind the geartrain between the engine and the wheel is going to multiply the engine's torque by 14.37 in first gear...
Yeah youre right, it was only 302... and it had the engine sitting on top of it (mr2)




(why I bought the IS350)
p.s. 9.5 traction rating on the Z1s http://www.tirerack.com/tires/tires....omCompare1=yes
http://www.caranddriver.com/reviews/...r_spec_page_11
Can get them in 265 35 18, but would rather keep stock size for mileage purposes.





Thanks for the hankook tip guys. That was high on my list before posting but I don't have any personal experience with them.

Last edited by gnode; 03-25-10 at 08:47 PM.
Old 03-25-10, 08:19 PM
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iSuxeL
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PS2s hands down.
Old 03-26-10, 04:20 AM
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Kurtz
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Originally Posted by gnode
Yeah youre right, it was only 302... and it had the engine sitting on top of it (mr2)
Unless that dyno was done in first gear you did not have 302 torque when launching and have entirely missed Lobuxracers point. You had tremendously more than that due to the torque multiplying nature of the gearing.

Originally Posted by iSuxeL
PS2s hands down.
Why would you "hands down" pick a tire that is twice as expensive and performs worse when measured?
Old 03-26-10, 09:00 AM
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2k2 R1
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PS2 got good overall wet/dry traction, but I'll have to say get Falken Azenis for dry condition. They do wear out fairly quickly and pretty terrible in wet traction from some said.
Old 03-26-10, 09:15 AM
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mdgrwl
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I have the Hankook EVO V12's and they are excellent tires. Super sticky and super quiet too
Old 04-05-10, 09:44 PM
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gnode
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Originally Posted by Kurtz
Unless that dyno was done in first gear you did not have 302 torque when launching and have entirely missed Lobuxracers point. You had tremendously more than that due to the torque multiplying nature of the gearing.
And that simply means his point was pointless considering my old car made more torque by any way you want to measure it than a 350 does. Though, it has the advantage of the engine sitting on top of the wheels.

My point was that if those tires held the torque of my old car, they would of this one too (other than the issue of weight distribution).

And MR2s get 13.84055 in first gear:
http://mr2.com/ARTICLE/1991_Specifications.html

So however you want to slice it, I had more torque in the MR2, and the direzza z1s held it (unless really cold out). Though, the weight distribution favored the rear wheels.

Last edited by gnode; 04-05-10 at 09:57 PM.


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