Toyo R888 Wear

#1

Mine are wearing more to the inside…anyone else noticed this?

Al

#2

It has been mentioned by a couple of World Challenge teams that run them that the R888 requires less camber than the RA-1.
So maybe reduce your camber a little bit and see if you can even out the wear in the front and rear.

Just an idea.

#3

Al - the fast west coast guys run them full depth and around 40 cold. Try that and see how it works our for you.

#4

Shaved R888’s are showing up recently.

Time to get a better west coast spy? I’ll send you high quality reports in exchange for toyo bucks :wink:

#5

Do a search on this topic from a few months ago and you’ll get the joke.

#6

Yep, it would make sense that if they are wearing the inside there may be too much camber…prolly has to do with the stiffer sidewall…finding the setup with these things atr Rockingham may be a challenge.

Al

#7

Al -

When I ran Hoosiers a couple years ago in another class we would flip the tires on the rim so they could be rotated but still maintain their directionality.

That gets you the best of both worlds - nice even tire temps from having correct camber -and- longer tire wear. Downside is mounting & balancing costs.

Steve D.

PS - This past weekend was my first on R888s. I must say I like them just fine. I had a ton of track time (weds test day through sunday race) and the wear seemed pretty good (admittedly, MidO is pretty easy on tires). I’ll be interested to see how they behave with some time between heat cycles.

#8

Excessive toe can cause it too. Check for play in the bushings/joints and set the toe accurately.

#9

I have -3.5 degrees of camber and they always cord on the outside edge.

[quote](admittedly, MidO is pretty easy on tires)[/quote]especially in the rain :wink:

I’ve never heard or experienced anything good about the R888 compared with the RA1

#10

I do believe that the R888 is a little faster than the RA-1, at least for the first few heat cycles. I ran my fastest time ever at VIR on triple eights, that had two heat cycles.

However, those tires died after about 8 heat cycles and were pure garbage.

My second set has 11 heat cycles and surprisingly, they were doing ok at Summit Point, just before the Championship.

I ran my third set (shaved to 4) last Thursday morning at Mid Ohio and let them sit until Saturday. For Sunday’s Championship race, I couldn’t have asked for better tires. I had been playing with tire pressures all weekend (despite the wet-dry-wet conditions) and the car was perfect Sunday afternoon. I’m convinced that the tires kept me from falling back…and I drove pretty well too.

:stuck_out_tongue:

Carter

#11

I have 3 sets of 888’s…all produced in 2007, my best set turned to junk after 7 cycles…just in time for the Sunday sprint race at the rock. I had wrongly assumed that the 888’s would be better than 2 and half year old shaved down RA1 rains…hmmm…I wonder if Toyo changed something in the compound of the 888’s this year. I am still not happy that we have to run a tire that has such a short life. I really have never had RA1’s fall off as bad as these 888’s did. Patton put on a fresh set at the Rock and tunred a blistering qually lap Sunday morning, I think the 888 is a faster tire and we just are not going to see any longevity. Or I may have treated mine wrong in some way…

I vote for Azenis for next year…

Al

#12

Not sure if depends on the track also or maybe the temp? I have only worn through 1 set and they got faster everytime I used them. I ended up getting about 14 heat cycles and 4 races on them.

#13

I am beginning to wonder if I screwed them up running to much pressure the first couple of cycles or did they change the compound somehow, I remember a bunch of people complaining about them early in the season, now it seems they or better or we have them figured out…Simon, when were yours produced?

Al

#14

I dont think theres any dispute about the longevity of the 888s.

But a lot of people seem to think they are faster. This is totally wrong from what I’ve found. I have had the opportunity several times to run RA1s and 888s at the same track on the same hour of the same day. Every time whether its VIR or Summit, summer or spring, the RA1 has been the faster tire. At summit when I ran PTE and SE30, I had to switch back and forth. I was consistently .5 secs. faster with the RA1 despite carrying some extra ballast. At VIR it was the same story. Both were shaved, both were relatively new. I ran slightly lower pressures in the 888s as most people do.
Its such a small time gap that it is difficult to know where I was picking up speed with the RA1. I assume it is overall grip (a few hundredths per corner), but they have always been faster for me. They have also stayed grippy for much longer than the 888 in a session. They don’t get greasy nearly as quickly.
You cant really say that you set your fastest lap with 888s at a given track when your previous laps were over a month or even a year ago. My experience shows that there’s no dispute as far as performance.

888s suck

EDIT: This being said, I dont complain about it as long as we’re all on the same thing.

#15

I stopped complaining because no one was listening. I just ended up buying more tires this year which is probably what Toyo and NASA want.

#16

I ran RA1’s with 15 heat cycles on them and R888’s with one heat cycle on them back to back at Mid-Ohio and I went from running a 1:43.8 to a 1:44.5. Big Difference.

I don’t know. Maybe I have too much camber. I haven’t had enough time to diagnose why the car drives like S&%^t with these new tires. I was pretty disappointed with how they performed at Mid-O though.

#17

allenr wrote:

[quote]I dont think theres any dispute about the longevity of the 888s.

But a lot of people seem to think they are faster. This is totally wrong from what I’ve found. I have had the opportunity several times to run RA1s and 888s at the same track on the same hour of the same day. Every time whether its VIR or Summit, summer or spring, the RA1 has been the faster tire. At summit when I ran PTE and SE30, I had to switch back and forth. I was consistently .5 secs. faster with the RA1 despite carrying some extra ballast. At VIR it was the same story. Both were shaved, both were relatively new. I ran slightly lower pressures in the 888s as most people do.
Its such a small time gap that it is difficult to know where I was picking up speed with the RA1. I assume it is overall grip (a few hundredths per corner), but they have always been faster for me. They have also stayed grippy for much longer than the 888 in a session. They don’t get greasy nearly as quickly.
You cant really say that you set your fastest lap with 888s at a given track when your previous laps were over a month or even a year ago. My experience shows that there’s no dispute as far as performance.

888s suck

EDIT: This being said, I dont complain about it as long as we’re all on the same thing.[/quote]

No your right the tires suck and they aren’t faster. Just compare VIR lap times from last season and this season. Remember when Skeen set the track record he was on RA1’s.

#18

I went from running just over 4 degrees of camber up front last year to 3.5 this year. I’m consistently cording the outside of my tires now vs. even wear last year. If we were allowed more camber I would run it.

JP

#19

The problem is that most people cant get to 4 or more degrees legally, except you guys with the “experienced” chassis.

#20

Someone explain this to me. This is about 10 heat cycles.