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post #1 of 17 Old 01-11-2017, 07:59 AM Thread Starter
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Question Definitive, AWD G37 infiniti sports wheels?

Good day everyone. I'm getting my G37X in a few days and this is my first AWD vehicle. It's an automatic as well. I'm wondering if I can install the Infiniti sports wheels without harming the drive train. I went ahead and bought a set of wheels because they were too good of a deal to pass. The current tires on them are 225/45/19 and 245/40/19 the tread is awful and they both need new tires. I've read and read and read countless back and forth about as long as the difference is under 5% you'll be okay, but some say that changes as the tread life wears down.
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post #2 of 17 Old 01-11-2017, 05:49 PM Thread Starter
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Actually could I not just run 245/40/19's all the way around?
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post #3 of 17 Old 01-13-2017, 03:21 AM
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With an AWD you have to use tires with the same outside diameter. If your wheels are the same width, that makes it easy. If the wheels widths are staggered, then you need to take more care to match sidewall heights and tire widths to have the same outside diameter of the tires.

I see the tires on those wheels are staggered but the wheels can be the same width. Do you know the wheel widths?

'06 Autumn Copper FX35, '11 Alpine White Sentra & 2016 Red Hot Camaro 2SS
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post #4 of 17 Old 01-13-2017, 08:55 AM Thread Starter
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I'm going to try and find that out today. If there a way to do it other than removing the tire and looking for a stamp inside? I believe they are the same width.

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post #5 of 17 Old 01-15-2017, 08:54 AM
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The wheel will usually have the width stamped on the back side of the spokes.

'06 Autumn Copper FX35, '11 Alpine White Sentra & 2016 Red Hot Camaro 2SS
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post #6 of 17 Old 01-15-2017, 09:01 AM
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What year and model car were your wheels originally on?

What are the tire sizes?

'06 Autumn Copper FX35, '11 Alpine White Sentra & 2016 Red Hot Camaro 2SS
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post #7 of 17 Old 01-30-2017, 06:59 AM Thread Starter
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The tire sizes that are on them now are listed above. I don't know the year they came off of. But I did get the wheel sizes this weekend. They are 19X9J and 19X81X2J

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post #8 of 17 Old 01-31-2017, 09:42 PM
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You can use staggered wheels bit you have to make sure the outside diameter of the tires are the same front and rear.

'06 Autumn Copper FX35, '11 Alpine White Sentra & 2016 Red Hot Camaro 2SS
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post #9 of 17 Old 02-01-2017, 07:10 AM Thread Starter
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Originally Posted by Gilley View Post
You can use staggered wheels bit you have to make sure the outside diameter of the tires are the same front and rear.
So the sizes that I have if I get the correct tires can it be done? I already bought the wheels as they were a good deal.
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post #10 of 17 Old 02-01-2017, 02:08 PM
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Originally Posted by bigaudiofanatic View Post
So the sizes that I have if I get the correct tires can it be done? I already bought the wheels as they were a good deal.
Look up the tire spec on tires you have or want to consider to see the outside dia.
* TireRack.com has brands, sizes, specs, prices and reviews .... everything.

For ex. I may have tires that show 26.3" or something. If you have 4 tires now not of the same height, you might want to pick 1 pair and match up with another pair you'd have to purchase to have 4 of the same diameter. Next time around you could do the same with the other pair so you'd still be able to use up the tires you have if they are in decent shape.

'04 G35 6MT, DG Coupe, Prem/Nav, purchased 06/2011 @97k mi / 119,650 as of 07.06.16
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post #11 of 17 Old 02-01-2017, 05:29 PM
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I recall helping someone else with this same question some time ago. We found the correct front and rear tires that would be staggered but have the same outside diameter.

'06 Autumn Copper FX35, '11 Alpine White Sentra & 2016 Red Hot Camaro 2SS
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post #12 of 17 Old 02-02-2017, 09:32 AM Thread Starter
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Quote:
Originally Posted by Gilley View Post
I recall helping someone else with this same question some time ago. We found the correct front and rear tires that would be staggered but have the same outside diameter.
I'll try and figure this out with tire rack what sizes I need. The good news is they all need new tires so fresh rubber all the way around.
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They told me to use 225/45R19 front and the 245/40R19 for a .3" difference that is as close as I can get within the fender tolerance.
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post #14 of 17 Old 02-02-2017, 09:46 AM
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Just go to that site then search tires by brand or size. When you get the tire page look down the page a bit to tire specs and it will list the entire line of tires in all sizes available showing everything you need to know. I have these on my rear and running non staggered or "square" so I did the search as well... that's the 245 / 45 / 18 all the way around on mine. The page I copied below shows how the info is displayed. The 26.8 is the o.d or how tall the tires are.

DescriptionSizesSpecsWarranty
245/45-18 tires are marked with a red dot (   ).
Select New Size/Vehicle
Currently Selected Tire Size(s) (View Specs for All Sizes)
SIZE UTQG MAX.
LOAD MAX. INFLATION PRESSURE TREAD DEPTH TIRE WEIGHT RIM WIDTH RANGE MEAS. RIM WIDTH SECT. WIDTH TREAD WIDTH OVERALL DIAM. REVS. PER MILE COUNTRY OF
ORIGIN*
245/45R18
100V XL

LRR:
EcoImpact 700 A A 1,764 lbs. 50 psi 10/32" 26 lbs. 7.5-9" 8" 9.8" 8.3" 26.8" MX


link - http://www.tirerack.com/tires/tires....SPXL&tab=Sizes

'04 G35 6MT, DG Coupe, Prem/Nav, purchased 06/2011 @97k mi / 119,650 as of 07.06.16
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Quote:
Originally Posted by bigaudiofanatic View Post
They told me to use 225/45R19 front and the 245/40R19 for a .3" difference that is as close as I can get within the fender tolerance.
That should be close enough to be safe.... about 1.1% diff.
It may depend on brands. Here is what I just found on TireRack for the Bridgestone Potenza REO50A;

225 / 45 / 19 is 26.9" and revs per mile is 774

245 / 40 / 19 is the exact same !!

'04 G35 6MT, DG Coupe, Prem/Nav, purchased 06/2011 @97k mi / 119,650 as of 07.06.16
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