17x9 Wheels on stock suspension - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Jayela · 07-27-2015, 07:48 AM

Hey guys, I've checked wheels directory, but can't find much info for stock suspension except what offset is flush if there is one. I started autocrossing a month ago and the biggest downfall in the car (except for my skill) is the grip and I want to combat it with good wide tires on wider lighter wheels. I like Enkei TS9s, but not sure if 17x9 will fit, otherwise I'll get 17x8.

If anyone has ever put 17x9s on STOCK SUSPENSION please let me know what wheels and what offset? If not possible please let me know as well.

Thanks!

DemonRawr · 07-27-2015, 08:02 AM

You will be fine depending on the offset of the wheels. +35 offset on 17x9 will clear the stock suspension and will not poke out like an eyesore. +42 is fine as well; however, I would be wary to push it any further.
Here's the source:
http://www.ft86club.com/forums/showthread.php?t=42746

Jayela · 07-27-2015, 09:39 AM

Hey thanks for the reply! As the offset on those is 45 I see 2 options, 10mm spacers in front (backs supposed to be flush at 42 offset) or getting 17x8 in front (but i'm not sure it won't upset the balance). What would you suggest? I'm new and young so might ask stupid questions

cjd · 07-27-2015, 09:45 AM

What's your rulebook say about wheel size? SCCA bumps you out of CS for a wheel size change.

Alignment is a pretty important bit too - its what keeps the tire contact patch where it needs to be to grip.

If you have plans where to go with the car and mods where this change fits in the grand plan, great. Otherwise, you may find yourself wanting something different.

Jayela · 07-27-2015, 10:19 AM

Future plans include only coils and sway bars ATM. I'll check the rulebook.

Kuri · 07-27-2015, 11:15 AM

17x9 +35 Offset will fit

Jayela · 07-27-2015, 12:07 PM

Quote:

Originally Posted by Kuri

17x9 +35 Offset will fit

Fronts right? Rears 45 should be good I believe referring to the wheel fitment guide.

8R6 · 07-27-2015, 12:21 PM

17x9 +38 with 245/40/17 tires all around fits no problem also. barely clears the stock suspension, but still clears and no rub even on hard turns.

Kuri · 07-27-2015, 12:34 PM

+35 square.

+45 is more sucked in

smg1138 · 07-27-2015, 12:47 PM

Quote:

Originally Posted by 8R6

17x9 +38 with 245/40/17 tires all around fits no problem also. barely clears the stock suspension, but still clears and no rub even on hard turns.

How much front camber are you running?

8R6 · 07-27-2015, 01:52 PM

Quote:

Originally Posted by smg1138

How much front camber are you running?

when i was on stock suspension, camber was whatever it was straight from the factory which was minimal. im on ST coilovers now and lowered just over 2inches. -2 front, -2.7 rear

Mad_Mike · 07-27-2015, 02:21 PM

17x9 +45 will work fine on stock suspension as long as you don't add any more negative camber (though it would be beneficial if you did).

17x9 +42 will work fine and will allow you to run slightly more negative camber than factory.

17x9 +35 will require you to run -2ish camber up front not to rub (but don't be afraid of the camber as it will help with tire wear if you are autocrossing.

Jonsey · 07-27-2015, 04:54 PM

Just FYI, I had to run a 5mm spacer on 17x9 +42s with -3.2 degrees of camber to clear the springs (Swift Spec Rs but should be the same diameter as stock).

Kuri · 07-27-2015, 09:39 PM

17x9 +35 will clear stock suspension or eibach/trd...

+45 you're going to have to be on coils.

I have 18x9.5 +45 and also 17x9 +35

Stock is 17x7 +48

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07-27-2015, 12:21 PM	#8
8R6 Senior Member Join Date: Jan 2014 Drives: FRS Location: SoCal Posts: 2,086 Thanks: 2,738 Thanked 1,338 Times in 746 Posts Mentioned: 30 Post(s) Tagged: 2 Thread(s)	17x9 +38 with 245/40/17 tires all around fits no problem also. barely clears the stock suspension, but still clears and no rub even on hard turns. __________________ Team BRG inspire-usa My car build #8R6

07-27-2015, 02:21 PM	#12
Mad_Mike Senior Member Join Date: Feb 2013 Drives: 2013 Scion FRS firestorm Location: Gainesville, FL Posts: 308 Thanks: 31 Thanked 100 Times in 65 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	17x9 +45 will work fine on stock suspension as long as you don't add any more negative camber (though it would be beneficial if you did). 17x9 +42 will work fine and will allow you to run slightly more negative camber than factory. 17x9 +35 will require you to run -2ish camber up front not to rub (but don't be afraid of the camber as it will help with tire wear if you are autocrossing. __________________ Build thread

07-27-2015, 04:54 PM	#13
Jonsey Senior Member Join Date: May 2014 Drives: 2013 FR-S Location: DFW Posts: 272 Thanks: 369 Thanked 216 Times in 112 Posts Mentioned: 20 Post(s) Tagged: 0 Thread(s)	Just FYI, I had to run a 5mm spacer on 17x9 +42s with -3.2 degrees of camber to clear the springs (Swift Spec Rs but should be the same diameter as stock). __________________ "It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt." Mark Twain

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07-27-2015, 08:02 AM	#2
DemonRawr Senior Member Join Date: May 2014 Drives: 2014 BRZ Limited 6M Location: NorCal Posts: 100 Thanks: 22 Thanked 14 Times in 13 Posts Mentioned: 1 Post(s) Tagged: 1 Thread(s)	You will be fine depending on the offset of the wheels. +35 offset on 17x9 will clear the stock suspension and will not poke out like an eyesore. +42 is fine as well; however, I would be wary to push it any further. Here's the source: http://www.ft86club.com/forums/showthread.php?t=42746

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