225/45/17 on 8" rim vs 245/40/17 on 9" rim - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

bfrank1972 · 07-22-2013, 12:52 PM

Just bought an FR-S and have been researching a bit - thinking of going to 245/40/17's (square) on 9" wide rims, but worried about 'too much' tire messing with the balance and response of the car (vs a good set of 225's on an 8" rim). More grip is great but I don't want to sacrifice dynamics if 245 is too much tire. P.S. car is lowered on RCE springs, will be a driver + occasional DE events for fun. Can anyone comment on these two setups? Thanks in advance.

Brzzee · 07-22-2013, 01:05 PM

Suggest you look at Robispec Time Attack Build in Tracking / Autocross / HPDE. He goes faster on the lighter tire, sizes he as tested are in pane #1.

Good luck.
Drive fast and take chances.
Tom

jflogerzi · 07-22-2013, 01:07 PM

If you don't mind the stock wheels, just get a new set of 225's for the stock rim.

bfrank1972 · 07-22-2013, 03:51 PM

Thanks guys - the Robispec build thread was particularly informative. Maybe I'll just stick with the stock rims and 225 45's for now.

jflogerzi · 07-22-2013, 04:40 PM

Quote:

Originally Posted by bfrank1972

Thanks guys - the Robispec build thread was particularly informative. Maybe I'll just stick with the stock rims and 225 45's for now.

Not a bad choice and get some plastic dip to give the stock rim an aftermarket look. This is my plan for a year or 2.

07-22-2013, 01:05 PM	#2
Brzzee Senior Member Join Date: Feb 2013 Drives: 2015 Subaru BRZ WRBP Limited 6MT. Location: Dallas, TX Posts: 441 Thanks: 271 Thanked 108 Times in 88 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Suggest you look at Robispec Time Attack Build in Tracking / Autocross / HPDE. He goes faster on the lighter tire, sizes he as tested are in pane #1. Good luck. Drive fast and take chances. Tom __________________ - When men make plans the gods laugh.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
"My Dealer told me {insert dumb idea}" (was "Toyota/Subary Partnership Cancelled?")	levifig	BRZ First-Gen (2012+) — General Topics	48	08-09-2013 06:34 PM
WORK KIWAMI 18" x 9.5" + 18" x 8.5" +38 Offset	GC GTS Aero Kit	Australia Classifieds	16	03-22-2013 05:49 AM
Which Markets have "GT86" and "Toyota" badges on trunk?	Tanuki	Scion FR-S / Toyota 86 GT86 General Forum	20	02-10-2013 05:23 PM
Anyone else try running "square" tires on "staggered" wheels?	hamlet	Wheels \| Tires \| Spacers \| Hub -- Sponsored by The Tire Rack	21	12-19-2012 12:59 PM
Thoughts on a "component" setup with a 3.5" dash and 6.5" door setup?	PatrickSAN	Electronics \| Audio \| NAV \| Infotainment	22	11-14-2012 02:12 PM

07-22-2013, 12:52 PM	#1
bfrank1972 Senior Member Join Date: Jul 2013 Drives: 2013 FR-S Argento Location: Westport,CT Posts: 1,855 Thanks: 517 Thanked 1,041 Times in 616 Posts Mentioned: 7 Post(s) Tagged: 1 Thread(s)	225/45/17 on 8" rim vs 245/40/17 on 9" rim Just bought an FR-S and have been researching a bit - thinking of going to 245/40/17's (square) on 9" wide rims, but worried about 'too much' tire messing with the balance and response of the car (vs a good set of 225's on an 8" rim). More grip is great but I don't want to sacrifice dynamics if 245 is too much tire. P.S. car is lowered on RCE springs, will be a driver + occasional DE events for fun. Can anyone comment on these two setups? Thanks in advance.

07-22-2013, 03:51 PM	#4
bfrank1972 Senior Member Join Date: Jul 2013 Drives: 2013 FR-S Argento Location: Westport,CT Posts: 1,855 Thanks: 517 Thanked 1,041 Times in 616 Posts Mentioned: 7 Post(s) Tagged: 1 Thread(s)	Thanks guys - the Robispec build thread was particularly informative. Maybe I'll just stick with the stock rims and 225 45's for now.

User Name		Remember Me?
Password