17” wheels too small for FI’d twins? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

stlgrym3 · 06-07-2018, 10:43 PM

I’m posting this in the FI forum instead of wheels and tires forum because I need feedbacks from FI owners. Are 17” wheel setup too small to handle the added power and torque of the FI’d twins?

idkwhatimdoing · 06-07-2018, 10:44 PM

No, not really.
It’s all in the tire

________

~refer to username~

fer3d · 06-07-2018, 11:10 PM

I don't think so.
I'm doing ok with 300whp and 255/40 R compounds on 17x9 wheels

Enviado desde mi Nexus 5X mediante Tapatalk

CSG Mike · 06-08-2018, 12:04 AM

Your right foot determines if that is too small or not.

Fish Eagle · 06-08-2018, 12:51 AM

17's are fine. I prefer 17's to 18's.
Tyres are normally cheaper too.

toast · 06-08-2018, 10:14 AM

What does the diameter of the wheel have to do with power? You're worried about rippling the sidewalls of 17" tires when you launch?

Icecreamtruk · 06-08-2018, 10:18 AM

Formula one cars are running 13", just saying...

strat61caster · 06-08-2018, 11:15 AM

^ that

Really OP 17's are too BIG, you need to go smaller to really lay down the power, goodyear doesn't make slicks for wheels bigger than 17.

Sapphireho · 06-08-2018, 11:20 AM

I run 18s because I like the look.

nikitopo · 06-08-2018, 11:51 AM

You should use the smallest wheel that fits your brake calipers. Period.

weederr33 · 06-08-2018, 01:01 PM

I feel width would be more important than diameter, wouldn't it?

wbradley · 06-08-2018, 01:01 PM

I never thought there was any correlation between big wheels high horse power. The trend of using 19" or bigger wheels on sports cars is just that. After all, bigger is better, right?
In reality, the weight and strength of the wheel and using a diameter that allows for the optimal tire profile is probably what matters functionally.
Super low profile tires necessary on supersized wheels makes it harder to get traction with hard acceleration. Plus the unsprung weight increasing only hampers the responsiveness of suspension and steering. My STI has stock 19" wheels and for sure I'd never buy that size aftermarket. I like 17" wider wheels on the twins.

bmxr · 06-08-2018, 05:24 PM

Quote:

Originally Posted by toast

What does the diameter of the wheel have to do with power? You're worried about rippling the sidewalls of 17" tires when you launch?

Exactly. The question makes no sense at all.

15limited · 06-08-2018, 08:09 PM

Quote:

Originally Posted by weederr33

I feel width would be more important than diameter, wouldn't it?

Even more than that, tire compound

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06-07-2018, 10:43 PM	#1
stlgrym3 Senior Member Join Date: Nov 2011 Drives: 2017 Subaru BRZ Limited Location: socal Posts: 562 Thanks: 72 Thanked 51 Times in 44 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	17” wheels too small for FI’d twins? I’m posting this in the FI forum instead of wheels and tires forum because I need feedbacks from FI owners. Are 17” wheel setup too small to handle the added power and torque of the FI’d twins?

06-08-2018, 01:01 PM	#11
weederr33 Airborne at your service Join Date: Sep 2014 Drives: '17 BRZ Series.Yellow Location: El Paso, Texas Posts: 6,326 Thanks: 4,529 Thanked 5,587 Times in 2,929 Posts Mentioned: 33 Post(s) Tagged: 2 Thread(s)	I feel width would be more important than diameter, wouldn't it? __________________ Series.Yellowbird - http://www.ft86club.com/forums/showthread.php?t=122135 MS, CSCS, TSAC-F, CPT

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06-07-2018, 10:44 PM	#2
idkwhatimdoing Senior Member Join Date: Jan 2018 Drives: 2015 Scion FR-S 1968 Camaro BB402 Location: Thousand Oaks, California Posts: 109 Thanks: 41 Thanked 45 Times in 24 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	No, not really. It’s all in the tire ________ ~refer to username~

06-08-2018, 12:04 AM	#4
CSG Mike Join Date: Jul 2012 Drives: S2000 CR Location: Orange County Posts: 14,531 Thanks: 8,920 Thanked 14,177 Times in 6,835 Posts Mentioned: 966 Post(s) Tagged: 14 Thread(s)	Your right foot determines if that is too small or not.

06-08-2018, 10:14 AM	#6
toast Senior Member Join Date: Jul 2014 Drives: 14 BSP Edelbrock BRZ Location: Lon Gisland Posts: 806 Thanks: 113 Thanked 450 Times in 256 Posts Mentioned: 12 Post(s) Tagged: 0 Thread(s)	What does the diameter of the wheel have to do with power? You're worried about rippling the sidewalls of 17" tires when you launch?

06-08-2018, 10:18 AM	#7
Icecreamtruk Senior Member Join Date: Dec 2015 Drives: Track preped NA FRS Location: Montreal, Canada Posts: 987 Thanks: 1,056 Thanked 680 Times in 405 Posts Mentioned: 12 Post(s) Tagged: 0 Thread(s)	Formula one cars are running 13", just saying...

06-08-2018, 11:20 AM	#9
Sapphireho ¯\_(ツ)_/¯ Join Date: Mar 2016 Drives: '15 ultramarine Location: Idaho Posts: 13,195 Thanks: 5,451 Thanked 18,241 Times in 8,610 Posts Mentioned: 155 Post(s) Tagged: 0 Thread(s)	I run 18s because I like the look.

06-08-2018, 11:51 AM	#10
nikitopo Senior Member Join Date: Mar 2014 Drives: '15 BRZ RA Location: Greece Posts: 3,787 Thanks: 2,416 Thanked 1,944 Times in 1,261 Posts Mentioned: 29 Post(s) Tagged: 0 Thread(s)	You should use the smallest wheel that fits your brake calipers. Period.

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