Has anyone had this experience with R-Comps???

[bigjae1976]

I can't stop picking the rubber boogers off of the tire...its so addicting!

[Porschefile]

Haha no I let them stay where they are until the next track event/session. The boogers almost all get stuck on there in the cool down lap when you're going slower and possibly off line.

On a related note, it is pointless to get a tire shop to balance used race slicks. I had some pirelli WC slicks shipped to me for cheap used, and they had lots of boogers. Normally I don't get race tires balanced, but this shop tried and ended up using like 20 little weights to try to compensate for the boogers. First session on track the boogers melted off and I was left with a wheel with a ton of weights that caused it to have tons of vibration.

[paradocs98]

Between all of the rubber bits and sheets of brake dust on the inside of my wheels after a track day, I feel like I should be wearing goggles and a ventilator mask when I clean them off before throwing them in the car!

[bigjae1976]

Originally Posted by paradocs98

Between all of the rubber bits and sheets of brake dust on the inside of my wheels after a track day, I feel like I should be wearing goggles and a ventilator mask when I clean them off before throwing them in the car!

You should wash them off at the track...no one will laugh.

[Car54]

^^^ lol

...in a mask, gloves, and a paint suit.

[Gearhead999s]

My issue with my track tires are the tires rotating on the rims causing an out of balance issue.Pickup sure does not help the vibration issue.

[von_zoom]

Originally Posted by Gearhead999s

My issue with my track tires are the tires rotating on the rims causing an out of balance issue.Pickup sure does not help the vibration issue.

Never had that issue. You sure you do not have a rim issue, and not a tire issue. I would think that the tire would not move on the rim unless tire pressue was way down.

I can't stop picking the rubber boogers off of the tire

I don't know how your track is set up, but if you can avoid any offline driving prior to entering the pit from the track, it may lesson the amount of build up you collect on the tire. All of that should go away during the first or second lap when you go back on the track.
vz

[bigjae1976]

Originally Posted by von_zoom

Never had that issue. You sure you do not have a rim issue, and not a tire issue. I would think that the tire would not move on the rim unless tire pressue was way down.



I don't know how your track is set up, but if you can avoid any offline driving prior to entering the pit from the track, it may lesson the amount of build up you collect on the tire. All of that should go away during the first or second lap when you go back on the track.
vz

Usually a spin followed by a nice off road excursion will get the tread nice and clean.

[Gearhead999s]

Originally Posted by von_zoom

Never had that issue. You sure you do not have a rim issue, and not a tire issue. I would think that the tire would not move on the rim unless tire pressue was way down.

I have had this issue on my Vette with various wheels and with both my sets of (Apex &Motorsport MT1)track wheels on my M3.I was looking at a set of HRE's that the bead area was knurled which I am sure would help with this issue.I marked my last set mounted the rears moved a lot more than fronts which also rotated a fair bit.I usually start at pressures of 30-28 psi and end up with 38-42 depending on the track.

[von_zoom]

Originally Posted by bigjae1976

Usually a spin followed by a nice off road excursion will get the tread nice and clean.

Not so sure about the off road excursion - usually picks up a lot of junk. The spin however, if you remain on the track surface will clean off your tires So will normal track driving which is prefered.
vz

[chili cheese]

Ha ha! Yeah I was picking goobers all day yesterday after my 2 day event.

I've also found that the steering wheel vibrates quite a bit on my warm-up lap, but then the boogers eventually fall off when the tires heat up and all is well.

[von_zoom]

I usually start at pressures of 30-28 psi and end up with 38-42

I recall you posting earlier about tire movement on the rim. While I am not aware of this happening to me, I am mounting new BFG GForce R1s 275X35X18 this week (to replace the ones I am selling) on Apex 18X10 rims and I plan to mark them so I can monitor any moving. After a bunch of testing, I settled on 34/33 cold, looking for 42/39 hot which has seemed to work out okay. My temps run higher on the front than the rear.
Thanks for the info. I'll advise if anything occurs.
vz