325/70r17
 

would these fit on the back of my dually with a set of 2 in spacers found a awesome deal on them and thought they would be cool if theyd work I don't tow heavy very often so has anyone tried this

i think these should be about 12.79 inches wide and almost 35 inches tall. i don't think they will fit with 2 inch spacers. i have a friend running 285s with 2 inch spacers and their about as wide as you could get to fit it think.

you could just go single rear wheel with them until u tow ... then change tires .... thats my plan ... 18's for haulin ass and 265/75/16's for haul grass .... lol

I just got a set of 285/70r17

I have a 94 regular cab dually. 4 in lift and i am running 315 70 16. with a 1 3/4 spacer. But when put on a load my tires touch so i need to go to 2 in spacer:argh:. Also remember Stock rims are 6.5 in wide. i have had balancing issues. balancing beads seem to work better then wheel weights on this setup.

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How did your 16.5 timing help your mpgs. hows your cold weather starting. my timing is 13.5 I think that's stock and I only get 11 mpg. thinking about changing it to help mpgs