Bridgestone Re11 tire problem

736459392 · 07-30-2017, 06:06 PM

Got these tires with rims from getyourwheels on June 2013, had 13000 miles on them, only street driving.

Notice these small cracks on the side wall and between tread, is it normal? I checked other cars with even older tires, they don't have this kind of cracking.

Datsun Z · 07-30-2017, 06:19 PM

I'm no tyre expert, but I don't think it's normal. You shouldn't have any cracks in the tyres. It's possible that the tyre was overinflated or dried out

jchammond · 07-30-2017, 06:25 PM

Max Summer tire will be subject to cracking premature; if exposed to very cold or freezing temperatures.

736459392 · 07-30-2017, 08:59 PM

Quote:

Originally Posted by jchammond

Max Summer tire will be subject to cracking premature; if exposed to very cold or freezing temperatures.

But my front tires are all fine, maybe because rear tires have higher heat circles?

jchammond · 07-30-2017, 09:06 PM

Looking at the pictures closer; they really looked aged-either from heat cycling or left outside dormant...I didn't really want to say neglected.

736459392 · 07-30-2017, 09:35 PM

Quote:

Originally Posted by jchammond

Looking at the pictures closer; they really looked aged-either from heat cycling or left outside dormant...I didn't really want to say neglected.

both pics are for rear tires. anyway, will change them after another 2500 miles. Two new rear tires are sitting in the room.

Rusty · 07-30-2017, 10:16 PM

Quote:

Originally Posted by jchammond

Looking at the pictures closer; they really looked aged-either from heat cycling or left outside dormant...I didn't really want to say neglected.

You need to drive the Z more.

That's age cracking from Ozone, and sun.

SouthArk370Z · 07-30-2017, 10:50 PM

I'm with the other folks that think it's age (possibly neglect or abuse). IIRC, all tires made since the turn of the century have a 4-digit date code (WWYY) molded into the tire.

Hotrodz · 07-30-2017, 11:57 PM

Quote:

Originally Posted by 736459392

But my front tires are all fine, maybe because rear tires have higher heat circles?

My rears re-11's have heat cycled out and look nothing like that. They are just hard and a little slick. They are fine for DD, highway cruising and burning rubber but not much else. I don't do any spirited driving such as canyon runs on them because they can't be trusted. I would replace those bad boys ASAP!

2011 Nismo#91 · 07-31-2017, 10:44 AM

It's dry rot, UV and Ozone breaks down tire rubber components.
What Are the Causes of Tire Dry Rot? | Sciencing

736459392 · 07-31-2017, 01:21 PM

Quote:

Originally Posted by Rusty

You need to drive the Z more.

That's age cracking from Ozone, and sun.

Z is my daily drive, commute to work is only 3.5 miles

736459392 · 07-31-2017, 01:23 PM

Quote:

Originally Posted by 2011 Nismo#91

It's dry rot, UV and Ozone breaks down tire rubber components.
What Are the Causes of Tire Dry Rot? | Sciencing

Going to move to NH in 2 months, probably the new RE-11 I am putting on will suffer more.

Rusty · 07-31-2017, 01:26 PM

What do you use to clean your tires with?

736459392 · 07-31-2017, 03:02 PM

Quote:

Originally Posted by Rusty

What do you use to clean your tires with?

just water

Elmo370z · 08-01-2017, 11:57 AM

Quote:

Originally Posted by 736459392

both pics are for rear tires. anyway, will change them after another 2500 miles. Two new rear tires are sitting in the room.

Why wait 2,500 miles? makes no sense. You're risky being another one of those people who don't change tires when they need to be replaced and end up wrecking your Z because a tire blew out. Just change them now.

07-30-2017, 06:25 PM	#3 (permalink)
jchammond A True Z Fanatic Join Date: Nov 2014 Location: South Carolina Age: 58 Posts: 15,204 Drives: 13’ 370Z TS 7A/T Rep Power: 2684394	Max Summer tire will be subject to cracking premature; if exposed to very cold or freezing temperatures. Hotrodz likes this. __________________ MazWorx built long block \| FI-TT-100 Stage 2.75 \| IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html

07-30-2017, 09:06 PM	#5 (permalink)
jchammond A True Z Fanatic Join Date: Nov 2014 Location: South Carolina Age: 58 Posts: 15,204 Drives: 13’ 370Z TS 7A/T Rep Power: 2684394	Looking at the pictures closer; they really looked aged-either from heat cycling or left outside dormant...I didn't really want to say neglected. Eagle, Rusty and Hotrodz like this. __________________ MazWorx built long block \| FI-TT-100 Stage 2.75 \| IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html

07-30-2017, 10:50 PM	#8 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	I'm with the other folks that think it's age (possibly neglect or abuse). IIRC, all tires made since the turn of the century have a 4-digit date code (WWYY) molded into the tire. Spoiler likes this. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

07-31-2017, 10:44 AM	#10 (permalink)
2011 Nismo#91 A True Z Fanatic Join Date: Mar 2011 Location: NJ Posts: 2,400 Drives: slowly Rep Power: 40569	It's dry rot, UV and Ozone breaks down tire rubber components. What Are the Causes of Tire Dry Rot? \| Sciencing Eagle likes this. __________________ GTR TT 493Whp/431lbft, Ecutek, Southbend 6puck,Quaife, RPM RollBar 4Point, R888R, JRZ RSPro F(10R/10C) R(10R/6C) 1000f500r inlbs+150inlbs Tender, SPL everywhere.Full Specs

07-31-2017, 01:26 PM	#13 (permalink)
Rusty Ronin Samurai - Assassin Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 68 Posts: 35,180 Drives: 2011 Nismo GM 6M Rep Power: 2684437	What do you use to clean your tires with? __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html

07-30-2017, 06:19 PM	#2 (permalink)
Datsun Z Base Member Join Date: Jan 2015 Location: Melbourne Australia Posts: 18 Drives: 09 370Z Rep Power: 10	I'm no tyre expert, but I don't think it's normal. You shouldn't have any cracks in the tyres. It's possible that the tyre was overinflated or dried out

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