wheels, tires, and tpms - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

trex510 · 03-30-2017, 11:15 PM

I am thinking of getting 17 x 8 oz ultraleggeras. I was wondering if 235/45/17 tires would be good for the wheels. and also would me not reprogramming the new tpms affect the speedometer?

theadmiral976 · 03-30-2017, 11:17 PM

Quote:

Originally Posted by trex510

I am thinking of getting 17 x 8 oz ultraleggeras. I was wondering if 235/45/17 tires would be good for the wheels. and also would me not reprogramming the new tpms affect the speedometer?

TPMS has nothing to do with the speedometer - the worst that will happen is you get an annoying yellow light in the left lower quadrant of your dash.

trex510 · 03-30-2017, 11:31 PM

is the tire size good enough

Brayden_23 · 03-31-2017, 12:31 AM

Quote:

Originally Posted by trex510

is the tire size good enough

Should be fine. I run 235s on my 8.5" wheels. Would recommend a 235/40 instead though to mantain the same ratio as stock

Sosa · 03-31-2017, 03:17 PM

Quote:

Originally Posted by Brayden_23

Should be fine. I run 235s on my 8.5" wheels. Would recommend a 235/40 instead though to mantain the same ratio as stock

235/40 would keep stock diameter on an 18" wheel. OP will be running 17's so 45 will maintain stock diameter.

Brayden_23 · 03-31-2017, 03:51 PM

Quote:

Originally Posted by Sosa

235/40 would keep stock diameter on an 18" wheel. OP will be running 17's so 45 will maintain stock diameter.

Oh right! Good call. Glanced over that tidbit

SkyKing · 03-31-2017, 04:32 PM

I'm going the same route with the OZ's and 225/17 but haven't decided on the 7.5 or 8's. I'll go to Subaru to have them sync the TPMS though. Nothing worse than an idiot light that's on all of the time. Doesn't the 235 plus the 8 give you some poke? Is it an inch?

03-30-2017, 11:15 PM	#1
trex510 trex Join Date: Sep 2016 Drives: brz Location: oakland, ca Posts: 14 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	wheels, tires, and tpms I am thinking of getting 17 x 8 oz ultraleggeras. I was wondering if 235/45/17 tires would be good for the wheels. and also would me not reprogramming the new tpms affect the speedometer?

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03-30-2017, 11:31 PM	#3
trex510 trex Join Date: Sep 2016 Drives: brz Location: oakland, ca Posts: 14 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	is the tire size good enough

03-31-2017, 04:32 PM	#7
SkyKing Member Join Date: Aug 2014 Drives: 16 BRZ Limited CWP 82 Alfa Romeo Location: NorCal Posts: 28 Thanks: 0 Thanked 5 Times in 5 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I'm going the same route with the OZ's and 225/17 but haven't decided on the 7.5 or 8's. I'll go to Subaru to have them sync the TPMS though. Nothing worse than an idiot light that's on all of the time. Doesn't the 235 plus the 8 give you some poke? Is it an inch?

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