Which wheel offset do you recommend? - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 01-25-2016
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Which wheel offset do you recommend?

So I have 4" spindles, 2" shackles and I'm looking to buy 33"/12.5 tires on a 16x10 rim. I haven't chosen the rim yet but what wheel offset should I have? I don't want to have it super far in the wheel well or super far out.
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Old 01-29-2016
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Old 01-29-2016
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maximum backspacing of 4 inch. I would imagine that is what you are gonna find the most in that size anyhow.

next question is if you have flares or not. An 8 inch wheel with about 3.75bs will come out to the edge fender. Obviously a 10 inch wheel will stick out about 1-1/2-2inches past that.

My 15x10s are 4 inch backspacing and without flares they stick out a good bit.
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Originally Posted by vista4.0 View Post
worn out 33x12.50 on 15x10 wagon wheels







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Old 01-29-2016
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THANKYOU! that's actually the exact look I'm going for. I don't have fender flares but if I ever want to put some on then I'll be set
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Old 01-29-2016
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Is back spacing the same as wheel offset?
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Old 01-29-2016
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So backspacing and offset essentially measure the same thing. Both measure where the backside of the mounting plate is located within the wheel.

Backspacing = the distance from the back edge of the wheel to the back side of the mounting plate. The higher the backspace the further it will sit in the wheel well. Measured in inches

Offset = the distance from the backside of the mounting plate to the centerline of the wheel. Positive pulls the wheel in the wheel well. Negative offset pushes the wheel out. Measured in MM

So for example. a 15x10 wheel with 4" of backspacing is equivalent to -38mm offset
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Old 01-29-2016
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Alright thanks!
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Old 01-29-2016
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Quote:
Originally Posted by vista4.0 View Post
So backspacing and offset essentially measure the same thing. Both measure where the backside of the mounting plate is located within the wheel.

Backspacing = the distance from the back edge of the wheel to the back side of the mounting plate. The higher the backspace the further it will sit in the wheel well. Measured in inches

Offset = the distance from the backside of the mounting plate to the centerline of the wheel. Positive pulls the wheel in the wheel well. Negative offset pushes the wheel out. Measured in MM

So for example. a 15x10 wheel with 4" of backspacing is equivalent to -38mm offset
Actually...I've done some more research. On a 15x10 rim and that big of an offset I'm thinking I'm going to rub pretty bad. Would that offset work on a 15x8?
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Old 01-29-2016
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Going to give you an algebra lesson haha

Back spacing = ((Wheel width + 1) / 2) + (Offset / 25.4)

OR

Offset = [((Width+1) / 2) - BS] * -25.4

The +1" is approximate (but most commonly used) and accounts for the width of the lip.
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Old 01-30-2016
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Quote:
Originally Posted by bravetitan24 View Post
Going to give you an algebra lesson haha

Back spacing = ((Wheel width + 1) / 2) + (Offset / 25.4)

OR

Offset = [((Width+1) / 2) - BS] * -25.4

The +1" is approximate (but most commonly used) and accounts for the width of the lip.
Thanks that clears things up a bit haha. What wheel offset/wheel width would you recommend for my lift?
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Old 01-31-2016
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Most guys tend to stay in the 4-4.5" range. Less back spacing = more tire sticking out.
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Old 01-31-2016
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Alright I'll look into that. Hopefully that works
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Old 01-31-2016
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I think I'm running 4.5 with a 10" wide rim.
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Old 01-31-2016
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Originally Posted by Dewey View Post
I think I'm running 4.5 with a 10" wide rim.
How far out does it stick do you reckon? I don't mind if it sticks too far out cause I'm gonna pop on some fender flares but my main concern is it rubbing
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Old 01-31-2016
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So it sounds like a 15x8 rim with 3.75 backspace won't it the hump on the spindle and hopefully won't rub with my lift. Does this sound right to you guys?
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Old 01-31-2016
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I'd say about 2" past my flares. And 3.75" on an 8" wide rim is the most popular choice.
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  #17  
Old 01-31-2016
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I might go with that. There's so many more choices as far as rims. It's not as wide and meaty but hopefully it won't rub any
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