Minimum Tire Tread SX2 for Track day - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

jflogerzi · 12-21-2020, 07:13 PM

I got a set of SX2's I want to try and burn off completely.

Fronts have between 3-4MM of tread and rears have between 4-5mm tread left. Is this enough to get another track day with setup in signature minus boosted(going back to NA+ E85 setup)

CSG Mike · 12-21-2020, 07:17 PM

Yes it is.

You will hit base compound at 2/32" (wear bar), and it'll be pretty evident when you do, as grip will drop dramatically.

jflogerzi · 01-01-2021, 08:56 PM

To bump this thread...

I did some re-measurements and noticed fronts are now under 3mm. I have a new set waiting in the wings. Rear is between 4-5mm. Can I just put 2 new tires in the front and then swap out the rears after the 20th at big willow?

Jdmjunkie · 01-02-2021, 12:42 AM

I would put the low tread depth on the front and run the new ones on the back.

strat61caster · 01-02-2021, 01:59 AM

I'd shoot myself with that much understeer putting the new tires on the back.

If you're wearing out fronts quicker then rears then rotate and use up the set you've got imho, check them after every session and stop if you hit the cords.

jflogerzi · 01-02-2021, 09:33 AM

Quote:

Originally Posted by strat61caster

I'd shoot myself with that much understeer putting the new tires on the back.

If you're wearing out fronts quicker then rears then rotate and use up the set you've got imho, check them after every session and stop if you hit the cords.

I would put the new tires up front

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TommyW · 01-02-2021, 09:55 AM

Having a sub par tire setup at Big Willow is not a good idea.
Put all new tires on

jflogerzi · 01-09-2021, 11:39 PM

I decided to get the most out of these tires. Got an auto cross day to kill the tires and I will swap before big willow

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12-21-2020, 07:17 PM	#2
CSG Mike Join Date: Jul 2012 Drives: S2000 CR Location: Orange County Posts: 14,530 Thanks: 8,918 Thanked 14,175 Times in 6,834 Posts Mentioned: 966 Post(s) Tagged: 14 Thread(s)	Yes it is. You will hit base compound at 2/32" (wear bar), and it'll be pretty evident when you do, as grip will drop dramatically.

01-02-2021, 12:42 AM	#4
Jdmjunkie Senior Member Join Date: Apr 2017 Drives: Scion FR-S 10 Series Location: Las Vegas, Nev. Posts: 341 Thanks: 1,839 Thanked 204 Times in 128 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	I would put the low tread depth on the front and run the new ones on the back.

01-02-2021, 09:55 AM	#7
TommyW Senior Member Join Date: Feb 2017 Drives: '13 Whiteout Location: San Clemente Posts: 1,491 Thanks: 496 Thanked 1,242 Times in 673 Posts Mentioned: 10 Post(s) Tagged: 0 Thread(s)	Having a sub par tire setup at Big Willow is not a good idea. Put all new tires on

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