andy82

I'm tired of trailering my Z06 to the track and am looking for a new set of tires (345/315) for my CCW's to drive to the track and auto-x that are still street legal but hook up close to my Khumo's V710 or Hoosers R6's (<- currently running these). I'm afraid of running the R's on the freeway

I have a separate (bling) set that I will use for daily driving (Nitto's), so all I have to drive is to and from the event (potential auto-x and track). What are the choices? What are the best tires for that combo? Size should be 345 back 315 front on the CCW's.

Suggestions?

1stZ

It's competitively fast, street ok but expensive. Michelin Pilot Sports Cup (MPSC). Warning: They won't last long and make sure they're warm before getting on it. My option 2 would be Toyo's R888. They'll last a bit longer that the michelins but it's (to me) 1.5-2.0 sec slower than the MSPC.

Blurr

FWIW -- I run the MPSC 315 fronts and 345 rears on 18 CCW's on a C6Z. I'm only running HPDE4 level, I drive to the local track with them on. When they're cold you have your hands full very slippery takes about two laps to get heat in them after that they're fine. In my limited experience the Hoosiers have better grip. Without any camber you will eat the fronts up fast. I have 5 track days with 4 20 minute sessions each day with stock camber settings. At best I have maybe 3 more track days left. The only down side after your last session when you drive home with hot tires they pick up every single pebble along the way. I'm going with the Hoosier R6's next. Not much rain in AZ so the drive to the track should not be a problem.

longdaddy

you could always get a hitch and a small tire trailer

vettehardt

Leagal? The hoosiers and kumhos are both street legal, DOT approved!

lvrpool32

They are DOT approved for wear and speed rating, but have "Not For Highway Use" on the side, have no wet weather capabilities and have different construction than a typical street tire. They have thinner sidewalls so are not suited for bumpy/pot holed roads. A sidewall impact will easily result in a puncture. Get into an accident with these on the car and see how fast your insurance company runs away and how quickly the police will come knocking.

Unfortunately there are no high perfromance street tire's left in 345/18. You can find plenty of drag radials, but Michelin stopped making the PSC in that size last year.

JRL

I've driven to and from autoxes and track days on 710's and A6's for 10 years. Picked up a nail in a 710 once. Never had an issue with a Hoosier which I have driven to and from events the last 4 years (approx 40 autoxes/25 track days). I have driven in the rain, kept it under 55-60 mph, no problem.

John

andy82

Exactly! A friend of mine had a Hooser blow up on the freeway and it almost took the fender out, lots of damage. Not worth it!

andy82

Believe it or not, had that on my C5, but on the C6Z with the aluminum frame and my Exhaust/Diffuser combo I'm not sure I want to go that route.

doje

Andy, a lot of people drive the 710's to the track. Just ask Cris Schiebold. I loved the Nitto NT-01 for a dual use tire, but they don't come any bigger than 315/18. You are going to have a hard time finding a tire in the size you want, the performance you want, and being a true street tire. Didn't you just start towing?

andy82

Sounds good. Are those MPSC rated for "Highway Use" or just like the Hoosers "Street Legal".

BTW, if you move to the R6's you will have the same issue, takes 1-2 laps for them to heat up and with stock camber setting they eat up fast!

doje

MPSC is completely street legal. I think Chuck is going to sell the ones from the back of his new car. The previous owner put them on right before Chuck bought it and he wants tires that match his fronts. I put a call in to him and will let you know.

waktasz

oops just realized I'm late to the party and you already covered that part

If you want to be competitive you will find a way to get your R-tires there. For me, if I was relegated to running on street tires and finishing in the back of the pack I'd have to find a new hobby. Competing for the win is what makes it fun for me.

RX7 KLR

I have run Kumhos for over ten years (putting thousands of street miles on them driving to and from events) and have yet to see that on the sidewall of one.

Part of the TREAD act requires that all DOT stamped tires meet a minimum impact test, this is why Hoosier went from fiberglass belts to steel belts, the test is no different for a passenger car tire or an R-compound.

The only valid reason to avoid driving the Rs on the street is rain.

And anyone who thinks that an R has a thinner - possibly inferring softer - sidewall has not mounted a set.

doje

I've watched Dave Bonar cussing at Hoosiers and Kumhos while mounting them.

c4cruiser

Even if the are DOT approved, it doesn't necessarily make them legal for street use. And it would be very easy for an LEO to pull you over for insufficient tread depth. 2/32" is the legal minimum in most every state and race rubber will be down to that in the grooves after just a few events.

Race tires will pick up every little pebble and rock they come in contact with. That can raise hell with wheelwells and paint. The overall thickness of the tread surface is not very much and they would be easier to puncture compared to a street tire.

Get a hitch and a Harbor Freight 3'x4' trailer. They work great for tires and a toolbox.

Blurr

The nice part about the Hoosiers you can "flip" the tire on the wheel to extend the life. On the Michilens you can't

rfn026

I've driven on my track tires for years. I've never had an issue - except in the rain. If you get caught in the rain with track tires just pull over.

The past weekend was the first time I've trailered my car. Something about the new Goodyear DOT tires. I'm going to try to get them to last a little longer.



Richard Newton
Speed TV Blog

z06801

The MPSC's would be my pick for driving to the track i have ran them on my 911TT before as a summer tire. Got a bunch of track days and DD'ed for a few months, bummer they don't make a 315/30/18 anymore I would still run them. And they are really fast on the track.

Tact

http://forums.corvetteforum.com/foru...s-or-more.html