Will an inch really make that much of a difference?

[Hybrid25XLTAWD]

first thing I'm planning is a set of tires and wheels for my truck when I get it, but here's what I"m wondering:

assuming the factory spare wheel is 7" wide (might be 7.5, I don't really know for certain).
new wheels are 8" wide
difficult to find an 8" wide "cheap" wheel to use for the spare
if I were to get 5 tires and 4 wheels, would the 1" difference in width between the factory wheel & my new wheels mae much difference should I ever need to resort to needing the spare?
I know that it's a bad idea to run different size tires on the same axle, but how much of a difference in height will 1" of width produce...enough to be concerned?

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[Tbone289]

if I were to get 5 tires and 4 wheels, would the 1" difference in width between the factory wheel & my new wheels mae much difference should I ever need to resort to needing the spare?

No, the concern would be the diameter of the spare vs. the other tires.

I know that it's a bad idea to run different size tires on the same axle, but how much of a difference in height will 1" of width produce...enough to be concerned?

How does width produce height?

 

[Clarkdonbran]

That’s what she said?

 

[Jah.]

The wider tire may not fit in spare tire location under the truck .

 

[FabMav]

That’s what she said?

No, that’s what HE said!

 

[Exranger]

Tire specs will say rim width allowed, fit is try and see…

 

[Timothyd]

That’s what she said?

I knew somebody was going to say that.

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