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Tire and suspension data

kevinatfms

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#41
It’s almost autox season. RE71s are in short supply and I have heard not allowed for SCCA national events (have not fact checked this).

Another have experience with the below:

Rivals 1.5 215/45/16s
Yoks 205 or the 225 in a 16
Other options?


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RT660 in 215/45R16 is available.
 


kevinatfms

Senior Member
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#43
Any experience with them looks like there’s three sizes that would work?


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I run the older RT615K+ in 215/45R16 and if the reviews of the RT600 are correct then they are top tier w/ the RE71R, Rival 1.5S and A052. So i wouldnt hesitate to run them. GRM did a test of them against the Rival and RE71R and lap times were within a tenth or so of each other with the RT660 being ahead of them by a small margin.
 


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Location
Boston
#44
It’s almost autox season. RE71s are in short supply and I have heard not allowed for SCCA national events (have not fact checked this).

Another have experience with the below:

Rivals 1.5 215/45/16s
Yoks 205 or the 225 in a 16
Other options?


Sent from my iPad using Tapatalk
Falken RT660s in 215/45/16
 


CSM

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#46
Kumho V730s are starting to hit shelves, but tire sizes are limited. I believe ZIII Star Spec also comes out later this year (I believe its already available in Japan?)

I imagine most of the "next gen" 200TW tires coming out will be more or less comparable to the RE71R in grip levels. I imagine that tire has been taken apart and analyzed to death - the other companies probably reverse engineered it to some degree in their new offerings
 


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Location
Portland, OR, USA
#47
Kumho V730s are starting to hit shelves, but tire sizes are limited. I believe ZIII Star Spec also comes out later this year (I believe its already available in Japan?)

I imagine most of the "next gen" 200TW tires coming out will be more or less comparable to the RE71R in grip levels. I imagine that tire has been taken apart and analyzed to death - the other companies probably reverse engineered it to some degree in their new offerings
Has anyone tested these yet? Right now I don't see a size available that will work.
 


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