Because this is a science experiment at this point, have you guys considered super sizing and running the 615 in TT or PTX/STX and Toyos in CMC in the same weekend to preserve car counts?
On a side note, will 225 tires fit my Z06 wheels? The desired end state here is reduction in costs, sure would suck if I had to run out and find new wheels.
Last edited by Supercharged111; 02-16-2019 at 02:18 PM.
RM CMC Director
I was looking at 255s, the price difference to the 275 is substantial. I think for the first test we should all be on the same size tire.
https://www.tirerack.com/tires/tires...15KP&tab=Sizes
- Josh
CMC #50
The 255’s are a smaller OD and will affect gearing for folks. The load rating is also noticeably higher on the 245’s
Nobody has committed to anything yet. The test group can go that way if they want. I don't think the data is quite as good but it might be sufficient. At least good enough to see if more testing is warranted. Costs more for the test participants but they would get to race with the rest of the group.
Richard P.
I could go either way I suppose. If we're actually racing I think it'll be a better test in the heat of battle.
So the 245/45/17 Azenis is nearly the same OD as the 275/40/17 RRs. The 255/40/17 Azenis is wider than the 245 (obviously), should be better for wear and heat. The 255 Azenis is 0.6" smaller in OD (25.6" OD for the RR, 25" for the 255 Azenis). The price difference for the 255/245 Azenis is less than $1 on tire rack. These tires are in the $150 range - tires at this price would substantially change my ability to show up to races and prepare the car.
255: https://www.tirerack.com/tires/tires...omCompare1=yes
245: https://www.tirerack.com/tires/tires...omCompare1=yes
- Josh
CMC #50
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