Biggest tire you can have while driving on stock spare?

[DIESEL KEVIN]

hey guys , im dropping my truck down to stock hight because i need this truck practical now, instead of showin it and stuff. I travel alot on the highway to the tracks when we dont drive the motorhome. my dad wont let me drive this over 40 miles away from home because i dont have a full size spare..nor the room if i did have one. Whats the biggest tire i can get and still limp home decently speed on the highway with one stock sized spare?

[drz400smoto]

I drove around with my stock spare and 35's fine. It was okay as long its upfront, but fullsize spare is on my list now.

[Stroked7.3]

Ive got 37s and I have a 35" spare tire cramped in to my spare tire well. Figure It should get me home well enough.

[DIESEL KEVIN]

a 35 fit? theres about an inch or an inch and half between my stock spare and my exhuast. thats a problem i dont have room to put a full size in my bed

[Stroked7.3]

I had to do a little modification to my exhaust. besides that its fine and it gives a little extra weight to the rear to.

[JJR]

Never run two different size tires on the rear. It is a great way to burn up a diff especially a limited slip diff. If you have to put it on the front and make sure the hubs are unlocked.

[drz400smoto]

Originally Posted by Stroked7.3

Ive got 37s and I have a 35" spare tire cramped in to my spare tire well. Figure It should get me home well enough.

I didn't know it was even possible to fit a 35" spare under the truck. I might need to try that. How wide was the 35? I should be fine with the exhaust clearance since I have stacks.

[Stroked7.3]

It was a 315/75-16 to be exact. Width shouldnt matter though, the tire will just hang down lower. I dont know if the previous owner before me did any more modifications to it, but from what i can tell he didnt. Either way it is possible needless to say.