I have a SD FX4 on order, and im looking at new tires. it comes with 285 65R18's and im going to lift my truck 4" or so and add 35's. can i keep one of the stock tires as a spare, or will i need ot get the oversized spare too?

Thanks

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This is what I've heard.
You can put the smaller spare on the front but not the back if you have Limited Slip.

If a back needs changing, you put a front on the back and then the spare on the front.

 

he is right

 

This part didn't come out right though, unless you had a NASCAR jack that could lift one side of the truck...

I should have said,
If a back needs changing, you put the spare on the front and then put the front on the back.

(I worry that people will take me literally.)