Track R compound tires

KKS · 08-07-2012, 05:51 AM

I've looked around and haven't seen this mentioned specifically. What brand/size 18 inch r-compound tires are you guys running for the track? I'm getting some Apex EC-7s (9.5 front, 10.5 rear)

and need some rubber for them.

Ideally, looking to go 265/35 front and 285/35 rear but don't think the rear exists in that size for any r compounds. For those of you running 295/30 in the rear, does the large size differential between front and rear (5% smaller in the rear) affect the abs/dtc systems?

What brands do you guys recommend?

Cheers

Mnime · 08-07-2012, 11:09 AM

i'm running Nitto NT05s which are street tires but very soft. One of the closest tires you can get to full blown R-Comp. I'm only running this because i bought track wheels in 19s instead of 18s (i didnt do my home work first

) but they are good tires and pretty sticky.

I hear from my buddies at the track the NT01's and Toyo Proxies 888's are good tho.

ApexWheels · 08-07-2012, 02:30 PM

I would still recommend a 265/35/18 sized front tire. Since R compounds run so
large you could run either a 275/35/18 or 295/30/18 rear tire and the
10.5" wide rear wheel would be able to support that width tire easily.
Those are good staggered front to rear ratios and many R compound
tires are offered in those sizes. We tend to favor Nitto NT01's as they are less finicky in finding ideal air pressures, cheaper, and seem to be faster on track.

MDORPHN · 08-07-2012, 06:17 PM

I'm running Toyo R888. I believe sizes are 265/35-18 and 285/35-18.

Neil

KKS · 08-07-2012, 07:01 PM

Quote:

Originally Posted by MDORPHN

I'm running Toyo R888. I believe sizes are 265/35-18 and 285/35-18.

Neil

Hey Neil, where did you find Toyo in 285/35, been looking everywhere for that size!!

4thM3 · 08-10-2012, 01:53 AM

Toyo R-888s are 265/35 front and 285/30 (not 35) rear. Just ran that set up at Infineon/Sonoma Raceway on my Arc-8s 9.5x18 front and 10.5x18 rear and loved it. Still sorting out best tire pressures. Open to suggestions..

Thanks

Xaeryan · 08-12-2012, 05:13 PM

Bumping for further suggestions, looking to get R888 or NT01s on 1M sized EC-7s; more owner feedback would be awesome.

MDORPHN · 08-12-2012, 06:01 PM

Quote:

Originally Posted by KKS

Hey Neil, where did you find Toyo in 285/35, been looking everywhere for that size!!

Oops! Just checked and they're 285/30. Sorry...

Neil

08-07-2012, 05:51 AM	#1
KKS Private 24 Rep 73 Posts Drives: SO M4 Join Date: Oct 2007 Location: Sydney iTrader: (0)	Track R compound tires I've looked around and haven't seen this mentioned specifically. What brand/size 18 inch r-compound tires are you guys running for the track? I'm getting some Apex EC-7s (9.5 front, 10.5 rear) and need some rubber for them. Ideally, looking to go 265/35 front and 285/35 rear but don't think the rear exists in that size for any r compounds. For those of you running 295/30 in the rear, does the large size differential between front and rear (5% smaller in the rear) affect the abs/dtc systems? What brands do you guys recommend? Cheers
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08-07-2012, 11:09 AM	#2
Mnime First Lieutenant 24 Rep 391 Posts Drives: 2015 Cayman GTS Join Date: Jan 2011 Location: Dallas, TX USA iTrader: (0)	i'm running Nitto NT05s which are street tires but very soft. One of the closest tires you can get to full blown R-Comp. I'm only running this because i bought track wheels in 19s instead of 18s (i didnt do my home work first ) but they are good tires and pretty sticky. I hear from my buddies at the track the NT01's and Toyo Proxies 888's are good tho. __________________ Current - 2015 Cayman GTS White Borla Exhaust Prev - AW 1M #43 USA Meisterschaft, N55 mids, AFE CAI, ER Charge, Wagner IC
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08-07-2012, 02:30 PM	#3
ApexWheels Colonel 1422 Rep 2,657 Posts Drives: M3 Join Date: Jun 2012 Location: Bay Area iTrader: (2)	I would still recommend a 265/35/18 sized front tire. Since R compounds run so large you could run either a 275/35/18 or 295/30/18 rear tire and the 10.5" wide rear wheel would be able to support that width tire easily. Those are good staggered front to rear ratios and many R compound tires are offered in those sizes. We tend to favor Nitto NT01's as they are less finicky in finding ideal air pressures, cheaper, and seem to be faster on track. __________________ 925-245-0773 /// info@apexraceparts.com Wheels /// Accessories /// Vehicle-Specific Fitment Guides /// Careers
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08-07-2012, 06:17 PM	#4
MDORPHN Colonel 291 Rep 2,898 Posts Drives: AW 1M Join Date: Oct 2010 Location: Wash, DC iTrader: (0)	I'm running Toyo R888. I believe sizes are 265/35-18 and 285/35-18. Neil
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08-10-2012, 01:53 AM	#6
4thM3 Private First Class 29 Rep 191 Posts Drives: 2020 M2 Comp. Alp. White Join Date: Mar 2012 Location: Marin County, CA iTrader: (0)	Toyo R-888s are 265/35 front and 285/30 (not 35) rear. Just ran that set up at Infineon/Sonoma Raceway on my Arc-8s 9.5x18 front and 10.5x18 rear and loved it. Still sorting out best tire pressures. Open to suggestions.. Thanks
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08-12-2012, 05:13 PM	#7
Xaeryan Lieutenant 38 Rep 566 Posts Drives: Sideways mostly Join Date: Apr 2009 Location: Hazleton, PA iTrader: (4)	Bumping for further suggestions, looking to get R888 or NT01s on 1M sized EC-7s; more owner feedback would be awesome. __________________ 2014 SCCA Solo - Modifications by Class listing
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