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I have ordered my BFG AT 285/70-17's to go on my H2 rims, which have a diameter of 32.8 vs the original tire diameter of 30.5. Should I get a spare tire that has a larger diameter too? He has a good year MTR size 305/70-16 in good shape (take off) that he would just give to me. The MTR had a diameter of 33.1 when new, so figure it has 1/2" worn off leaving a diameter of 32.6. 305 seems a bit big to mount on a 6.5" rim.
Any suggestions?
I do have a 7000# trailer I tow occasionally, and I dont want a smaller spare tire to comprimise my safety if I have to use it. Or will the difference in tire size even matter when using the stock spare (assuming I dont use 4WD)?
Any suggestions?