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| Tracking / Autocross / HPDE / Drifting What these cars were built for! |
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06-25-2023, 07:05 PM
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#15 |
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Member
Join Date: Jul 2022
Drives: 2013 Subaru BRZ
Location: Atlanta
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Currently running 225 V730 on 9" wheel. Common combo coming from the Miata world. I find this improves the response from the car on turn in. Also gives it playful livlier character. Those are a bit more subjective attributes but Tire Rack did a test different wheel and width combos here:
https://www.tirerack.com/tires/tests...y.jsp?ttid=296 |
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06-25-2023, 07:59 PM
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#16 |
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Senior Member
Join Date: Sep 2018
Drives: 13 Viper; 14 BRZ; 90 Miata; 18 AMG
Location: TX
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Man, that's a great test but testing them all on different days kind of kills it. My lap times are pretty damn consistent for a slap**** that kinda shows up the track 15-20x a year, but my lap times easily vary 1-2% from session to session, just because of weather changes.
I went from 2:12.8 in the morning on tires that were bald to low 2:14s in the afternoon on fresh tires yesterday. I'd probably be 2:15s-2:16 on the same tires. Broken down by tire size, no matter which size tire, the widest wheel always won I'm not even sure I see a trend in tire size 7s: 225 was fastest 8s: 225 was fastest 9s: 225 was fastest Stretched, squeezed or just right- it's always the size that's the fastest lol. It just seems like wider wheels is better.
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2014 BRZ: WRL Build (GP2) MCS, AP, Motec, race wiring harness, blah blah blah
2014 FRS: Similar WRL Build. Back up / parts / practice race car. 2013 Viper GTS : Tractive Coilovers, ACR sway bars, aero, carbon, exhaust, etc. 1999 NB Spec Miata: 1.8 w/ all the goodies. 2022 CT5 Blackwing: Stock. |
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