Can you stagger this tire combo? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Brody602 · 03-13-2014, 02:52 PM

Okay so I'm trying to figure out a tire combination for when I go F/I

I'm thinking about 275/35/18 or 265/35/18 for the rear and 245/40/18 for the front.

The problem is, the profiles don't match 35 & 40, will this affect much or its possible to do this? The lowest I can get in a 245 for Michelin PSS is 40 and I don't want to go into a 255 for the front..

So the question is, will the 5 difference affect anything?

cactus · 03-13-2014, 03:04 PM

The 35/40/45 is not a direct measurement of the sidewall, but a percentage of the tread width.

Now, they are similar height tires.

Brody602 · 03-13-2014, 03:07 PM

Quote:

Originally Posted by cactus

The 35/40/45 is not a direct measurement of the sidewall, but a percentage of the tread width.

Now, they are similar height tires.

Perfect! So mixing a 275/35/18 with a 245/40/18 only has 1.8% difference and 0.07", so I guess the answer would be that no, it shouldn't really affect anythng

SkAsphalt · 03-13-2014, 04:48 PM

why in f*** sakes are you going to 275's in the rear?

gramicci101 · 03-13-2014, 04:49 PM

The stock tire is 24.62 inches in diameter. By going to a 245/40-18 you're adding over an inch to your tire diameter. A 245/35 and 285/30 would be a lot closer to the stock diameter, but I have no idea if you could actually fit 285s in the rear.

Brody602 · 03-13-2014, 04:53 PM

Quote:

Originally Posted by gramicci101

The stock tire is 24.62 inches in diameter. By going to a 245/40-18 you're adding over an inch to your tire diameter. A 245/35 and 285/30 would be a lot closer to the stock diameter, but I have no idea if you could actually fit 285s in the rear.

I'm not quite sure what you're trying to tell me, I was pretty much just asking how if it would be quite a bit higher at the front end compared to the back and if it would affect anything, I'm not sure if a 285 would fit but I was told a 275 should as long as I have coilovers

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ZDan · 03-13-2014, 04:53 PM

As mentioned, tires are too tall! Should consider 245/35-18 front and 265/35-18 rear. Rears would still be a bit taller than stock, but not absurdly so. 245/35-18 is defnitely a btter choice up front than 245/40-18.

Brody602 · 03-13-2014, 04:55 PM

Quote:

Originally Posted by ZDan

As mentioned, tires are too tall! Should consider 245/35-18 front and 265/35-18 rear. Rears would still be a bit taller than stock, but not absurdly so. 245/35-18 is defnitely a btter choice up front than 245/40-18.

They don't make Michelin PSS in 245/35-18 only 40 and up, but I'm kind of set in stone with Michelin PSS

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ZDan · 03-13-2014, 05:07 PM

Tire Rack has PSS in 245/35-18 in stock.
http://www.tirerack.com/tires/TireSe...erformance=ALL

Brody602 · 03-13-2014, 05:11 PM

Quote:

Originally Posted by ZDan

Tire Rack has PSS in 245/35-18 in stock.
http://www.tirerack.com/tires/TireSe...erformance=ALL

Oh wow, I normally order from Discount Tire Direct because they seem to be the best to bring them into canada, here's what they have listed I wonder if it's just cause they don't have any in stock Name: ImageUploadedByTapatalk1394741465.669653.jpg
Views: 566
Size: 59.4 KB

Name: ImageUploadedByTapatalk1394741465.669653.jpg
Views: 566
Size: 59.4 KB

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SkAsphalt · 03-13-2014, 05:29 PM

There is also 1010tires for Canada, or KXwheels (both Canadian websites)

But REALLY, 275 section tires in the rear? Why is that? The Z06 has 275's in the rear. The new model sting-ray went with 255's. 265's or less for Porsche's in the rear.... (point being made, these are are true sports/high HP cars) How much power are you aiming for with your FI goals?

ZDan · 03-13-2014, 06:05 PM

Base C6 and the new Stingray have 285 rears, 245 fronts. C6 Z06 had 325 rears and 275 fronts!

Porsche 911 S (non-turbo) has 295 rears, 245 fronts.

Brody602 · 03-13-2014, 06:10 PM

Quote:

Originally Posted by SkAsphalt

There is also 1010tires for Canada, or KXwheels (both Canadian websites)

But REALLY, 275 section tires in the rear? Why is that? The Z06 has 275's in the rear. The new model sting-ray went with 255's. 265's or less for Porsche's in the rear.... (point being made, these are are true sports/high HP cars) How much power are you aiming for with your FI goals?

I'm aiming for 450whp,

Someone with 255's and 420whp was able to smoke the tires up in third gear for a 60mph pull, and another still had pretty bad traction issues with 265's and 480whp, I might settle for 265's

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SkAsphalt · 03-13-2014, 06:11 PM

Quote:

Originally Posted by ZDan

Base C6 and the new Stingray have 285 rears, 245 fronts. C6 Z06 had 325 rears and 275 fronts!

Porsche 911 S (non-turbo) has 295 rears, 245 fronts.

So Google and wiki gave us different numbers eh?

03-13-2014, 02:52 PM	#1
Brody602 Drift King Join Date: Nov 2012 Drives: '13 Firestorm FR-S 6MT Location: Kirkland Lake Ontario, Canada Posts: 625 Thanks: 435 Thanked 228 Times in 121 Posts Mentioned: 14 Post(s) Tagged: 0 Thread(s)	Can you stagger this tire combo? Okay so I'm trying to figure out a tire combination for when I go F/I I'm thinking about 275/35/18 or 265/35/18 for the rear and 245/40/18 for the front. The problem is, the profiles don't match 35 & 40, will this affect much or its possible to do this? The lowest I can get in a 245 for Michelin PSS is 40 and I don't want to go into a 255 for the front.. So the question is, will the 5 difference affect anything? __________________ '13 6MT Firestorm FR-S

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03-13-2014, 03:04 PM	#2
cactus Senior Member Join Date: Sep 2013 Drives: 13 SWP BRZ Location: CA Posts: 183 Thanks: 118 Thanked 44 Times in 36 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	The 35/40/45 is not a direct measurement of the sidewall, but a percentage of the tread width. Now, they are similar height tires.

03-13-2014, 04:49 PM	#5
gramicci101 Off Topic Join Date: Feb 2014 Drives: 2014 Subaru BRZ Limited Location: Vegas, baby! Posts: 4,610 Thanks: 2,369 Thanked 4,243 Times in 2,170 Posts Mentioned: 43 Post(s) Tagged: 3 Thread(s)	The stock tire is 24.62 inches in diameter. By going to a 245/40-18 you're adding over an inch to your tire diameter. A 245/35 and 285/30 would be a lot closer to the stock diameter, but I have no idea if you could actually fit 285s in the rear.

03-13-2014, 04:53 PM	#7
ZDan Senior Member Join Date: May 2011 Drives: '23 BRZ Location: Providence, RI Posts: 4,672 Thanks: 1,439 Thanked 4,011 Times in 2,097 Posts Mentioned: 85 Post(s) Tagged: 0 Thread(s)	As mentioned, tires are too tall! Should consider 245/35-18 front and 265/35-18 rear. Rears would still be a bit taller than stock, but not absurdly so. 245/35-18 is defnitely a btter choice up front than 245/40-18.

03-13-2014, 05:07 PM	#9
ZDan Senior Member Join Date: May 2011 Drives: '23 BRZ Location: Providence, RI Posts: 4,672 Thanks: 1,439 Thanked 4,011 Times in 2,097 Posts Mentioned: 85 Post(s) Tagged: 0 Thread(s)	Tire Rack has PSS in 245/35-18 in stock. http://www.tirerack.com/tires/TireSe...erformance=ALL

03-13-2014, 06:05 PM	#12
ZDan Senior Member Join Date: May 2011 Drives: '23 BRZ Location: Providence, RI Posts: 4,672 Thanks: 1,439 Thanked 4,011 Times in 2,097 Posts Mentioned: 85 Post(s) Tagged: 0 Thread(s)	Base C6 and the new Stingray have 285 rears, 245 fronts. C6 Z06 had 325 rears and 275 fronts! Porsche 911 S (non-turbo) has 295 rears, 245 fronts.

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