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  #1  
Old 04-18-2014, 01:00 PM
jhar633 jhar633 is offline
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Default 8" vs 10" wheel with 12.5 tire

Gents,

I've gone through these threads and gotten some good info on different wheel sizes with tire sizes. The wheels I want to get are 33x12.5x15, and I'm just curious what the pros and cons are about using an 8 or 10in wheel. Is one more risky that the other if I am going to start airing down off road, or one better than the other for daily driving? I understand one will stick out an inch further, just wondering if there is anything other than looks that goes into this decision.

Thanks
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Old 04-18-2014, 01:42 PM
jhar633 jhar633 is offline
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Default Re: 8" vs 10" wheel with 12.5 tire

http://www.fordrangerforum.com/wheel...0-8-wides.html

Not sure how I missed this one the first time. Seems to answer the question. I guess smaller the better for airing down..?
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  #3  
Old 04-18-2014, 01:58 PM
Fx4wannabe01 Fx4wannabe01 is offline
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Default Re: 8" vs 10" wheel with 12.5 tire

More accurately, one will stick out 2" more than the other. Generally, almost every wheel that has a 15x8 and 15x10 option, have the same backspace of 3.615-4". The extra 2" is on the outside of the wheel mount.

Generally, if you have fender flares, an 8" will be just inside those fender flares. A 10" will be just outside. A 10" will stick out from a non-flare truck about 3".

I don't suggest 10" wheels unless you're lifted by either a body lift or suspension lift. They're more problematic because the extra room they take in the fender. Sheet metal and what not. Not so much a problem on the street, but if you actually beat on the truck off road, tires goes weird ways. My all four of my fenders are pretty beat and I've got considerable tire clearance.

I've seen people warn about 10" wheels and airing down. I've had no issues airing down to 6-8psi with my 10" and 12.50's...and not exactly taking it easy.






You need to provide us with info on your truck. If you're a stock 98+ 4x4, no way would I suggest 15x10's and 33x12.50's.
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Last edited by Fx4wannabe01; 04-18-2014 at 02:07 PM.
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Old 04-20-2014, 02:10 PM
jhar633 jhar633 is offline
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Default Re: 8" vs 10" wheel with 12.5 tire

1992 4WD with 4" suspension lift and add a leaf to level it out.

Thanks, I didn't realize all of the excess width went over the outside of the wheel (figured it was split inside and outside). Still trying to figure out the pros and cons of wider vs narrower rim. Lot of people talk about 8's, but for that matter what would be the con of just keeping the stock 15x7's and putting the bigger tire on it?

Thanks again, Happy Easter everyone
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Old 04-20-2014, 02:38 PM
dzrt_ranger dzrt_ranger is offline
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Default Re: 8" vs 10" wheel with 12.5 tire

Nothing wrong with 15x7, I run them with 33x12.5x15.
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Old 04-20-2014, 11:55 PM
Fx4wannabe01 Fx4wannabe01 is offline
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Default Re: 8" vs 10" wheel with 12.5 tire

Many choose 15x8's for the better offset for a beefier look. 15x7's just don't offer that. Plus, 15x8 wheel options are FAR more plentiful than 15x7.
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Old 04-21-2014, 09:42 PM
jhar633 jhar633 is offline
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Default Re: 8" vs 10" wheel with 12.5 tire

Quote:
Originally Posted by dzrt_ranger View Post
Nothing wrong with 15x7, I run them with 33x12.5x15.
Nice truck! What kind of lift do you have on that?
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Old 04-21-2014, 10:16 PM
dzrt_ranger dzrt_ranger is offline
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Default Re: 8" vs 10" wheel with 12.5 tire

3 Inch lift spindles and deaver leaf springs in the rear.
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Old 04-22-2014, 12:54 PM
LGHTNG02GT LGHTNG02GT is offline
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Default Re: 8" vs 10" wheel with 12.5 tire

Quote:
Originally Posted by dzrt_ranger View Post
Nothing wrong with 15x7, I run them with 33x12.5x15.
X2. i have BFG KM1's in 33x12.50 on my stock Alcoa wheels
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Old 04-23-2014, 03:47 PM
Auburn Fan 02xlt 2wd Auburn Fan 02xlt 2wd is offline
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Default

So a 15x8 with 3.625" backspace and 33x12.5 would stick out past fender just a little bit?
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  #11  
Old 04-23-2014, 04:30 PM
jhar633 jhar633 is offline
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Default Re: 8" vs 10" wheel with 12.5 tire

Quote:
Originally Posted by Auburn Fan 02xlt 2wd View Post
So a 15x8 with 3.625" backspace and 33x12.5 would stick out past fender just a little bit?
Yes, at least that is what I understand from this thread
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Old 04-23-2014, 07:22 PM
Auburn Fan 02xlt 2wd Auburn Fan 02xlt 2wd is offline
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And you CAN run a 12.5 on an 8" rim? On the website I see for the 12.5 it says for 8.5"-11" rim
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Old 04-23-2014, 07:39 PM
dzrt_ranger dzrt_ranger is offline
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Default Re: 8" vs 10" wheel with 12.5 tire

Yes. Many people have done it. Don't believe everything the internet says.
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  #14  
Old 04-23-2014, 11:21 PM
GLH GLH is offline
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Default Re: 8" vs 10" wheel with 12.5 tire

Will these wheels work OK if my OEM size is 15x7 ? Is the offset enough ?

http://www.tirerack.com/wheels/Wheel...All&sort=Price
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Old 04-24-2014, 04:38 AM
Auburn Fan 02xlt 2wd Auburn Fan 02xlt 2wd is offline
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Quote:
Originally Posted by GLH View Post
Will these wheels work OK if my OEM size is 15x7 ? Is the offset enough ? http://www.tirerack.com/wheels/Wheel...All&sort=Price
Any wheel with a 5x4.5 will work but yes that is enough back spacing
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