bowmanm98

I was to get some discounted RS304s but the fronts are gone. So I was going to pony up for the new R6 for the front, should I be problem free? For 18x8 and 18x10 is 245 and 285 the best sizes respectively?

MB

JPhillips-998

Problem free. The 275 vs 285 has been debated for a long while. Personally, I'll take the advice of Hoosier and go w/the 275's in the rear. (RS03) 285's it seems were designed as fronts for the Viper and didn't stand up to the rear drive/rear engine layout very well. May be different w/the 06's.

George from MD

For what it's worth I'm using the 05's rear with 06 fronts currently. No handling difference from previous IMO- but (and I think this is a big but)- the tires are approximately equally old- one set isn't harder than the other. If there is a difference and the fronts are newer I suspect you would see more oversteer than usual. Also I run 245's and 285s on 18 8s and 10s and have for awhile.

Bull

I believe that rear wheel prob with the 285s is old news.

George A

I ran a set of S04's this weekend and I swear they were corded within 4 sessions!!!! I ran the same size (245/35-18's and 285/30-18's) S05's and after 4 sessions, I had more than half of the tread left. So, I would worry about making the weekend on the rear set of S04's. Just go for the R6's all the way around. I did get the set of S04's at the huge discount Hoosier offers, but I did get what I paid for.

George

Cory M

No problems here mixing 04,05,GAC, etc as long as both fronts and both rears are the same you'll be fine.

George- if your 04's corded in 4 sessions and you didn't lock up the wheels or spin and cause flatspots then your alignment is off or the tires are defective - that is not normal wear!

JimB

I spoke to one of the Hoosier engineers (not Jeff. the other guy) and he said the problem with using the 285 on back was that it did not have enough sidewall pliability (I think that's the word he used) to concurrently handle both the acceleration and the cornering load that a rear tire must handle. He said it would work fine but it would not be as fast as a tire with a taller sidewall.

As for R4s and R6s, I wouldn’t bother with the R4s. They wear out so much faster than the R6s that they would have to give them to you and pay for half the mounting to make them worthwhile.
Jim

JPhillips-998

Yes, it is old news, but I don't know if it was smoke and mirrors b/c their cording problem, if they have changed the construction on that particular size to work as a rear tire, if they have left the construction the same and still recommend it only be used as a front, hence my comment, "may be different on the 06's".

I'm running a 951 and will stay w/the 275's until I hear different information from Hoosier. For you 911 guys, if the front vs. rear issue exists, it would only be exaggerated on a 911.

George A

Cory, I ran the S04's and S05's back to back with no alignment changes. No lockups (ABS) and no spins for the weekend. Visually you can see that the indicator holes on the S05's and R6's are much deeper than those on the S04's. I was quite disappointed at their wear rate. I should mention that it was in the mid to high 90's (even hotter on the track) on the days I ran them.

George

bobt993

I agree with all posts on the 285's not lasting for the rear on older tires (04,05). I understand the new tires are much better in lasting. Go with the 06's you will be ahead $$$$ in the end. Only problem is you will want to run them always.

bowmanm98

Yeah I guess I can just get the new ones. Would you go 275/35 instead of the 285/30s in the R6? Also is driving to the track with them on an absolute no no? I don't have a good way to transport the tires. Do I just lose longevity or will I lose heat cycles too? Should I just go with MPSCs instead since I will most likely have to drive to the track?

Bull

My "old news" comment was based on both input from Hoosier and experience of people running the newer 285s on the rear of many newer 911s. Sorry I didn't elaborate. The construction has been changed and longevity increased.

Larry Herman

I have about 7 20 minute sessions on a set of the R6 285/30x18s and they look great. If I can get 3 or 4 more sessions on them for the Glen race practice, I'll be quite happy.

bobt993

Try and avoid driving to the track on your R tires. Yes you can do this in a pinch and yes everyone has limped a car home or lent a trailer to someone etc, etc. Hell, a buddy of mine drove to Pocono 2weeks ago in freezing rain on Hoosiers. Best bet is 2 sets of rims and a case of beer to a buddy with a trailer. PS. If your new to R-tires, get alot of wax on the sides and fenders if you are trying to keep the car relatively clean looking. R-tires pick up everything on the track and deposit it nearby.

George A

Just some advice, if you are not racing, you do not need Hoosiers. Period. I would get something else, Toyo RA1's, MPSC, anything but Hoosiers. They just don't make sense for DE's.

George