Anybody considered using 16" wheels for the track? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

ft86Fan · 12-03-2011, 07:57 PM

This car is pretty small and light. Wouldn't 16" wheels be more appropriate for the track? Reduced unsprung weight and cheaper tires. What do you guys think?

Dave-ROR · 12-03-2011, 10:53 PM

Yes. Check the determining proper tire width thread. I would link it but that's too annoying on the iPad

coyote · 12-03-2011, 10:58 PM

It depends how much brake you need.

baldolera · 12-03-2011, 11:24 PM

I'm thinking the FR-S Wouldn't need too big of a brake because of it's weight and speed.

Dave-ROR · 12-03-2011, 11:32 PM

Stock brakes with pads and good fluid will be fine for either. The brakes were designed to stop cars with more power and 500-800lbs more weight.

Neutral_Eyes · 12-03-2011, 11:42 PM

That would really narrow your wheel and tire selection, no?

Dave-ROR · 12-03-2011, 11:44 PM

Quote:

Originally Posted by Neutral_Eyes

That would really narrow your wheel and tire selection, no?

Yes. To r comps for the wider replacements but he said track use so I figured that's what he wanted anyways. That's for 245/45/16 anyways there are street tires in 225/50/16 but that's a pointless swap.

Neutral_Eyes · 12-04-2011, 12:02 AM

I'm assuming 16x8, what would be the ideal wheel?

Dave-ROR · 12-04-2011, 12:13 AM

Quote:

Originally Posted by Neutral_Eyes

I'm assuming 16x8, what would be the ideal wheel?

8" width is Hoosiers rec for the 245/45/16 tire. Wheel... No idea I don't know what's made in 16x8 5x100. I've been looking or 17x8.5s for 235/40/17s. Only food a few there plenty of 17x8 though.

Kostamojen · 12-04-2011, 04:24 AM

Quote:

Originally Posted by Dave-ROR

there are street tires in 225/50/16 but that's a pointless swap.

Why do you say that? Anything will be better than the stock tires grip wise. And 225/50/16's are a good size with lots of good tires to choose from.

yera · 12-04-2011, 08:22 AM

YES!

225/50/16 ...Advan neova AD08, yokohama S.Drive, Falken Azenis 615k, FK452, Toyo R1R, Toyo R888, Hankook R-S3, etc

Dave-ROR · 12-04-2011, 10:35 AM

Quote:

Originally Posted by Kostamojen

Why do you say that? Anything will be better than the stock tires grip wise. And 225/50/16's are a good size with lots of good tires to choose from.

Do the math. It'll increase diameter unfavorably enough. If you want street tires 235/40/17s will lower the diameter and therefore shorten the gearing. Since the op is talking track use I made the assumption that he cared more about performance impacts over street tire availability. There's a chart in the tire width thread showing these sizes (with diameter changes) and prices of good tires that I threw together last week.

Combine the worse gearing with the additional sidewall flex and the only slight bump in width.. I see it as pointless. Unless you are trying to save money, tires will be about ~30 (or 50 for re11s) cheaper per tire for the good street tires versas 235/40/17s. Sadly RS-3s are not sold in 235/40/17 but I plan on contacting them to see if they'd consider the size. Compared to stock tire pricing is 1-23 bucks per tire cheaper.

Here's the chart so you don't have to reference the other thread:

fatoni · 12-04-2011, 11:39 AM

Quote:

Originally Posted by Neutral_Eyes

I'm assuming 16x8, what would be the ideal wheel?

i can all but guarantee you that a 16x9 would be faster.

ft86Fan · 12-04-2011, 12:49 PM

Quote:

Originally Posted by Dave-ROR

Here's the chart so you don't have to reference the other thread:

Thanks for the chart. I didn't see this in the other thread and was putting together something like this myself.

By the way, I was thinking of getting a set of extra wheels in 16" size just for track and put 245/45-16 on them. For street I'll probably keep the 17".

12-03-2011, 07:57 PM	#1
ft86Fan Senior Member Join Date: Feb 2010 Drives: FR-S, Exige S, Miata Location: Basking Ridge NJ Posts: 798 Thanks: 327 Thanked 131 Times in 80 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Anybody considered using 16" wheels for the track? This car is pretty small and light. Wouldn't 16" wheels be more appropriate for the track? Reduced unsprung weight and cheaper tires. What do you guys think? __________________ '13 Scion FR-S (Whiteout) '07 Lotus Exige S (Aspen White) Touring, Traction, Starshield '95 Miata (Montego Blue)

12-03-2011, 10:53 PM	#2
Dave-ROR Site Moderator Join Date: Dec 2010 Drives: Stuff Location: Florida Posts: 10,317 Thanks: 955 Thanked 5,965 Times in 2,689 Posts Mentioned: 262 Post(s) Tagged: 8 Thread(s)	Yes. Check the determining proper tire width thread. I would link it but that's too annoying on the iPad __________________ -Dave Track cars: 2013 Scion FRS, 1998 Acura Integra Type-R, 1993 Honda Civic Hatchback DD: 2005 Acura TSX Tow: 2022 F-450 Toys: 2001 Chevrolet Corvette Z06, 1993 Toyota MR2 Turbo, 1994 Toyota MR2 Turbo, 1991 Mitsubishi Galant VR-4 Parts: 2015 Subaru BRZ Limited, 2005 Acura TSX Projects: 2013 Subaru BRZ Limited track car build FS: 2004 GMC Sierra 2500 LT CCSB 8.1/Allison with 99k miles

12-03-2011, 11:32 PM	#5
Dave-ROR Site Moderator Join Date: Dec 2010 Drives: Stuff Location: Florida Posts: 10,317 Thanks: 955 Thanked 5,965 Times in 2,689 Posts Mentioned: 262 Post(s) Tagged: 8 Thread(s)	Stock brakes with pads and good fluid will be fine for either. The brakes were designed to stop cars with more power and 500-800lbs more weight. __________________ -Dave Track cars: 2013 Scion FRS, 1998 Acura Integra Type-R, 1993 Honda Civic Hatchback DD: 2005 Acura TSX Tow: 2022 F-450 Toys: 2001 Chevrolet Corvette Z06, 1993 Toyota MR2 Turbo, 1994 Toyota MR2 Turbo, 1991 Mitsubishi Galant VR-4 Parts: 2015 Subaru BRZ Limited, 2005 Acura TSX Projects: 2013 Subaru BRZ Limited track car build FS: 2004 GMC Sierra 2500 LT CCSB 8.1/Allison with 99k miles

12-04-2011, 08:22 AM	#11
yera Member Join Date: Mar 2010 Drives: Corolla e11 Location: spain Posts: 63 Thanks: 0 Thanked 16 Times in 3 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	YES! 225/50/16 ...Advan neova AD08, yokohama S.Drive, Falken Azenis 615k, FK452, Toyo R1R, Toyo R888, Hankook R-S3, etc __________________ "We want a car with brilliant control when sliding the tail. We're interested in feel, not numbers" FT-86 Last edited by yera; 12-04-2011 at 08:37 AM.

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12-04-2011, 12:02 AM	#8
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