Axis Angles & 305's in the Rear

StratonAce · 04-24-2012, 12:02 PM

I've got a base 2011 370z (no extras, no extra packages). It is not lowered, in fact, it is not modified in any way at all.

Currently there are 18 inch wheels on my stock Z, although I have no idea what their widths are. The stock tires are 225/50 and 245/45, front and back.

I was wanting to get some 20 inch Axis Angles, 9 inch in the front, 10 in the rear. And for the rubber, I was wanting to run 275 in front and 305 out back.

So, I went in to a local wheel shop and the guy there was working with me. He called his supplier and they could get the wheels for me. Offsets would be: front: +20mm / rear: +25mm

But the supplier told him that running tires that wide would not be possible without me modifying my fenders. He suggested I not go any wider that 285's in the rear unless I'm willing to modify the fenders.

Now I'm seeing people all over the forum running wider than 285's in the back. How are they running so wide? I'm wondering if they've modified their own fenders?

I was also wanting to lower the car in the near future, but if I'm already running into issues just trying to get bigger wheels and tires under the ride, surely it will only compound the problem by lowering.

So, can someone confirm for me the widest I can SAFELY go on a bone-stock 2011 370z? I was really wanting 305's in the back, but if I cannot safely go that wide, well then, I guess I just can't go that wide. But then, how wide CAN I go? I'd rather not have to roll the fenders or do anything else just to get the wheels and tires on, at least at this point. I just want some wide rims and meaty tires without having to screw up my car.

Can some one help me with some information? Thanks in advance.

corbin09 · 04-24-2012, 12:37 PM

If you have a +25 offset, you will be absolutely fine with a 305 tire. I am running one now.

TerribleONE · 04-24-2012, 12:38 PM

+1 ^ you will be fine

StratonAce · 04-24-2012, 02:57 PM

Thank you both. So the guy is just full of it then?

Should I go with a 265 or 275 in front?

FRONT: 9 inch wheel
+20mm offset
265

REAR: 10 inch wheel
+25mm offset
305

Does that look okay?

corbin09 · 04-24-2012, 04:10 PM

Yep looks good man.

04-24-2012, 12:02 PM	#1 (permalink)
StratonAce Base Member Join Date: Apr 2012 Location: Texas Posts: 10 Drives: 11 Nissan 370z Rep Power: 13	Axis Angles & 305's in the Rear I've got a base 2011 370z (no extras, no extra packages). It is not lowered, in fact, it is not modified in any way at all. Currently there are 18 inch wheels on my stock Z, although I have no idea what their widths are. The stock tires are 225/50 and 245/45, front and back. I was wanting to get some 20 inch Axis Angles, 9 inch in the front, 10 in the rear. And for the rubber, I was wanting to run 275 in front and 305 out back. So, I went in to a local wheel shop and the guy there was working with me. He called his supplier and they could get the wheels for me. Offsets would be: front: +20mm / rear: +25mm But the supplier told him that running tires that wide would not be possible without me modifying my fenders. He suggested I not go any wider that 285's in the rear unless I'm willing to modify the fenders. Now I'm seeing people all over the forum running wider than 285's in the back. How are they running so wide? I'm wondering if they've modified their own fenders? I was also wanting to lower the car in the near future, but if I'm already running into issues just trying to get bigger wheels and tires under the ride, surely it will only compound the problem by lowering. So, can someone confirm for me the widest I can SAFELY go on a bone-stock 2011 370z? I was really wanting 305's in the back, but if I cannot safely go that wide, well then, I guess I just can't go that wide. But then, how wide CAN I go? I'd rather not have to roll the fenders or do anything else just to get the wheels and tires on, at least at this point. I just want some wide rims and meaty tires without having to screw up my car. Can some one help me with some information? Thanks in advance.

04-24-2012, 12:38 PM	#3 (permalink)
TerribleONE A True Z Fanatic Join Date: Jan 2009 Location: Socal Posts: 10,203 Drives: WOT Rep Power: 5850	+1 ^ you will be fine __________________ 638WHP 541WTQ @ 13.5PSI Build thread

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04-24-2012, 12:37 PM	#2 (permalink)
corbin09 Track Member Join Date: Jun 2009 Location: Dallas tx Posts: 665 Drives: 370z Rep Power: 280	If you have a +25 offset, you will be absolutely fine with a 305 tire. I am running one now.

04-24-2012, 02:57 PM	#4 (permalink)
StratonAce Base Member Join Date: Apr 2012 Location: Texas Posts: 10 Drives: 11 Nissan 370z Rep Power: 13	Thank you both. So the guy is just full of it then? Should I go with a 265 or 275 in front? FRONT: 9 inch wheel +20mm offset 265 REAR: 10 inch wheel +25mm offset 305 Does that look okay?

04-24-2012, 04:10 PM	#5 (permalink)
corbin09 Track Member Join Date: Jun 2009 Location: Dallas tx Posts: 665 Drives: 370z Rep Power: 280	Yep looks good man.