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Autocrossing and Road Course Racing Enjoy and discuss the fun through the twisties at your favorite auto-x event. Check out the links to the SCCA website to locate your local club.

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Old 10-04-2006, 12:11 AM   #1
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Tire question for the autoX guys...

I overheard my parents talking the other day... and they said they'd cave in and buy me a set of autoX slicks for my birthday (October 25th, for those interested in donating to the birthday fund, I'll send you my paypal info ), but they weren't sure what to get me.


I've mentioned several times about getting a full set of V710's... but after thinking about it, Hoosier A6's are doing equally well. I'm even more tempted to do a mismatch set... Hoosier R6's up front, and A6's in the rear. Obviously, the R6 is a roadrace tire... but considering that the Max is a FWD, front-heavy, powerful car, the fronts get a lot more punishment than the rears. Tire temps were almost 50 degrees higher in the front than they were in the rear at the last autoX on my Cooper Lifeliner 60K-mile street tires. Rantoul Air Base, in Rantoul, IL, is an EXTREMELY abrasive surface. I also consider myself to be a highly aggressive, but fluid and consistent, driver... I've had some driving school instructors tell me that I stomp all over the line of under- and over-driving the car. One even went as far to say that it was like a "...kamikaze on meth, with a rail of coke thrown in."

On a buddy's '02 WRX, his brand new set of V710's only lasted 3/4 of the season, because the course is SO abrasive. He's out for the rest of the season, missing the last event, and consequently, the next 2 events as well.
A Z06 owner SWEARS by A6's, and a '05 GTO driver swears by A6's up front, and R6's in the rear (the layout is different, but when you're putting 600+ to the ground, you need tires that can keep up). I'm still stock for now, but I've pretty much decided that I'm not going to run any more events on street tires, slicks only.


So, can you help me decide?
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Old 10-04-2006, 06:53 AM   #2
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i prefer having all my tires the same size and compound so i can rotate them to any wheel to help with the front tire wear. i like the tread shape of the 710s, they are really rounded at the shoulders to help with low camber cars but the hoosiers are aparently slightly faster but wear faster as well. the gto probably benefits by having a grippier tire in the front to help it oversteer a little more. this would not be beneficial with the opposite situation on a maxima with a less grippy tire in front. if you want longevity on the abrasive surface you should look at the RA1 and the victoracer.

but my recommendation is v710 in same size all around
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Old 10-04-2006, 10:21 AM   #3
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I haven't driven on RA-1's yet... how do they compare to V710's?


I had victoracers on my 85 RX-7, and loved them... but that was a WAY lighter car (1950 lbs., full fluids), with more hp and tq than my Maxima has (288.9rwhp, 202.4rwtq)... Hadn't even thought about putting them on the Max. I did like them, though. They lasted 90% of the season, which, considering the conditions of Rantoul, is impressive.
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Old 10-04-2006, 12:17 PM   #4
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ra1 are supposed to last a lot longer than other r comps but not stick as well
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Old 10-04-2006, 03:56 PM   #5
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You could be sorry with the R6's in front. Depending on the surface temps you may not even get em up to working temp (180+). And in spring & fall they might cool off too much between runs to be of any use. I've seen nobody running em in Solo that I remember.

Your stuck between ultimate grip and life/longevity. You can't have both worlds. Also consider what you're gonna do in colder temps and/or rain. Will you have a dedicated 2nd set of bad weather tires or just not run?

I completely disagree with running R-comps on a stock suspension even in D/G-stock. You're gonna create a ton of grip and induce lots of body lean and forces that the suspension won't be able to handle. Just my $.02
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Old 10-04-2006, 04:53 PM   #6
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Quote:
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I completely disagree with running R-comps on a stock suspension even in D/G-stock. You're gonna create a ton of grip and induce lots of body lean and forces that the suspension won't be able to handle. Just my $.02
Theres nothing wrong with that...

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Old 10-04-2006, 08:28 PM   #7
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Ah yes the Saturn. Fastest way through course is a straight line. Next fastest is stradling over em. (notice nobody working on course actually looking this way...) So much for the Forbes Field site too. Last year was it and no more.
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Old 10-04-2006, 08:42 PM   #8
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Quote:
Originally Posted by BEJAY1
You could be sorry with the R6's in front. Depending on the surface temps you may not even get em up to working temp (180+). And in spring & fall they might cool off too much between runs to be of any use. I've seen nobody running em in Solo that I remember.

Your stuck between ultimate grip and life/longevity. You can't have both worlds. Also consider what you're gonna do in colder temps and/or rain. Will you have a dedicated 2nd set of bad weather tires or just not run?

I completely disagree with running R-comps on a stock suspension even in D/G-stock. You're gonna create a ton of grip and induce lots of body lean and forces that the suspension won't be able to handle. Just my $.02

K-Sport coilovers, BlehmCo stage 2 bar, Addco RSB, generic FSTB, WarpSpeed subframe connectors, and ES everything is all being added before next season. Undecided on brakes as of yet, but they'll be meaty. I'm taking a BIG jump from G-Stock to Street Mod in a matter of the off-season.

I think I'll go with RA-1's... just because of the longevity factor. If inclement weather is likely, I'll run street tires.
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Old 10-05-2006, 06:03 AM   #9
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you might want to turbo if you are going to be in street mod, that is a very fast class with almost unlimited mods. if you skip the SFC's, and BBK and use a stage 1 tie bar you could run in DSP in which you will be more competitive.
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Old 10-11-2006, 12:54 AM   #10
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Could I still run in DSP with a Stage 2 tie bar?
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Old 10-11-2006, 05:58 AM   #11
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im pretty sure you can only run stage 1 tie bar in DSP, but i doubt anyone would really notice unless you were at nationals or something
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Old 10-11-2006, 03:47 PM   #12
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Quote:
Originally Posted by Chefasaurus
Could I still run in DSP with a Stage 2 tie bar?
no...

just skip straight to EP like most of us do. You have a much better chance of winning class than in SM, that's for sure.

I think this season in EP Gabe has a 1st and a 2nd in class, and I also have a 2nd in class.....
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Old 10-11-2006, 04:44 PM   #13
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yeah the good thing about EP is that the engine size dictates the minimum weight you can run so there are no 1500 pound civics with 2 liter engines like in DSP. but you are allowed full racing slicks.
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Old 10-12-2006, 09:11 AM   #14
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a6 are stickier, but you're right, doesn't last as long as v710's.. since you're not going for a national title.. v710's are the better choice..
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Old 10-12-2006, 11:57 PM   #15
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v710's if you want be competitive but not spend an arm and a leg
ra-1's if you are doing autocross and road racing mix...
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Old 10-13-2006, 01:11 AM   #16
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I'm more of looking for stickies that will last all season. I know it's a tough compromise... but I'd give up the fractions of a second over not making it through the whole season.
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Old 10-13-2006, 09:04 AM   #17
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V710's are my best suggestion then...you will be a serious threat to cars that no one expected you to be...!
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