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Old 02-17-2016, 07:13 AM   #1
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Join Date: Dec 2012
Location: FL
Posts: 4,144
Thoughts on using r-comp tires with newer tires on driver side and older tires on pax

When I was at Roebling Road raceway one time I was talking with a guy that ran some sort of Toyo R-Comp tires, maybe the RR? (It looks like a slick)

He runs his tires using the following pattern:

Mounts up his tires - and halfway through their life he throws away the passenger side tires, moves the driver side tires to the passenger side, and then buys 2 new tires for the driver side. He then runs until the passenger side tires are shot, so he throws them away and does the cycle again.

So at all times he has got 2 newer tires on the driver side, and two older tires on the passenger side.

He said that works because most road courses are clockwise with right hand turns and so the driver side tires get the most abuse, so he likes to have a newer tire on that side.

I recently got a tire trailer that came with a set of Boxster S 17 wheels with Toyo R888 r-comp tires, and that driver used that same pattern of tire usage. So I have 2 nearly new driver side tires, and two passenger side tires with maybe 1/2-1/3 left of their life.

I drove on them a few sessions at the FIRM in FL and they were awesome!

http://trackattackapp.com/replay_share.html?raceid=dfef5498-8a2a-447c-b56e-63ed0d343de6&lapid=a71cbed3-8aa0-4c84-8cf3-9bac5efba61c

But recently I was reading how some R-Comp tires loose grip and start to fall off, even though they may look good and have decent tread depth left.

So in a max braking situation, one front might not grip as well as the other. I guess that would just cause the ABS to come on?

In Max acceleration I guess one tire might spin a little earlier than the other? I barely spin the tires anyway.

In a steady state turn where the suspension is loaded up, say a right turn, the two (matched) driver side tires are doing the majority of the work... In a left turn it is the passenger tires doing the work.

So it sounds like it might not be a concern? Several folks seem to use this pattern?

Does anybody else rotate their tires like this?
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