Wheels: Offset, Backspacing, & Wheel Spacers | Page 3 | Ford Explorer Forums

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Wheels: Offset, Backspacing, & Wheel Spacers

ok. sorry, im confused. i am ordering 365/75 R16 mud tires or my 05 Sport Trac. i am trying to understand what all the backspacing and offset do. if i want my tires to stick a little bit out, what is a good backspacing and offset combo for a rim?
 



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correction: ordering 265/75 R16 mud tires. sorry
 






Use the stock rims. Thats what i did when i had that size. If u want new rims, then get them with the stock offset (sorry dont know what that is). A good way to start is to pick the exact rims u want, then they usually only come in 1 or 2 offsets so it minimizes the possibilities. Remember, "offset" is the exact same thing as "backspacing" just a diff way of calculating it. Some rim cos use offset, some bckspc, some give u both numbers.
 






Sorry, I just saw you said you wanted them to stick out more.

I have 15" x 8" rims for my 33" tall 12.5" wide tires. The rims have a -19mm (-0.75") offset or a 3.75" backspacing. This offset is more negative than stock, which means they stick out a little more. The rim is also wider too (I believe stock width is 7"), so the rims stick out another 0.5" because of that.

With those tires (= 31.5" tall x 10.5" wide), I would run a stock 7" rim width (in either 15" or 16", any larger rim, you would need to go wider), but if you want to stick out more, go with a -19mm (-0.75") offset (this would equal a 3.25" backspacing on a 7" rim), which is slightly more negative than stock. It's best to be conservative when deviating from the stock numbers because a lot of things can change.

Did I confuse you yet?
 






ok. thanks. i think i am going to either a wider tire, or just get the next bigger size, the 285/75 R16
 






ok. thanks. i think i am going to either a wider tire, or just get the next bigger size, the 285/75 R16
does anyone know if 285/75 R16 mud tires will fit on stock Sport Trac rims? (16x7)
 












uh ... looks like the forum is being hacked hardcore right now. what is going on??
 






uh ... looks like the forum is being hacked hardcore right now. what is going on??
yea, i think it being hacked or something. but yea, i saw that the rim width for the 285/75 R16 is 7.5 to 9 inches. i just didnt know if anybody had put that size on the stock rim. (16x7)
 












oh. april fools. maybe it will be straight tomorrow.
 












...If you click the "How To" in my signature, you will probably find your answer in the first paragraph..;)
 












...Take a look at the last picture in the first post of this thread...;)

..The only difference is, you will have 3.58 BS (as you stated), and that is less than a 1/4 " different than 3.75" BS...This will push your wheels out just a little, I hope this helps...

...If I'm missing something, let me know...
 






07 offset ?

I have an 07 X with stock 17 inch rims. I have no idea what the offset is. I want to put on 24x10" rims but I DO NOT want them to stick out. I also do not want them to rub on the inside as well. Can someone please help me out??
 






What exactly is the rubbing differences you guys have discovered between 15x8 with 3.75 and 4.00? (33's) Seems like I can find cheaper wheels that come in the 4.00BS than the 3.75BS..

From what I figure, 3.75 should put you at about stock with 15x8 and with 4.00bs on 15x8 they should stick out a little bit more? (considering the stock is 4.5?)
 






JCUZ, do you have any pics on how you made your eX an 8-seater???? I am making a "back" third row seat for the kids that they can fold down the factory back quarter seat to get in/out but if you have pics it'd make my life easier.
 






Ok, i am still confused. The rims I want run a 40 MM offset for the explorer bolt pattern, and if the 2001 Explorer Sport has a 0 offset, then what adapters do I have to use?
 



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OK here is wait I am wanting to know I have a 1990 Ranger 2 wheel drive and I want to know can I mjake my rims from a 1992 F150 fit the Ranger. Now the Ranger has 14" on it and the F150 has 15"
 






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