[tentcamper]

I heard it will not fit. I know my 2003 it will not work. You need to lower the bracket with the pins by about 1 inch. Bill has a post how to add a 1" U-channel, which effectively lowers it.

But I'm like you, need to know for sure. I would suggest you look up the specs for the inflated width of your current and future tire. Calculate the plus difference. I think you will find it's about 3/4". Then do your own test; lower the current spare and then put it back in place and see if you think it will work?.

You could simulate the 15" tire. Cut some 1"X2" boards that are 3/4 inch thick after being planed when finished, Place them between the tire and mounting bracket tubes and see if you can put it up?

I know my 14" spare is very hard to put it up. I lower the psi to 40 and inflate to 50 after the spare is up. When I update my tires to 15 I need to make a mod for the spare.