1. What model is your truck?
2. 4x4 or 4x2?
3. Lifted, leveled, or stock height? (or what you plan on doing)
4. Factory rims or aftermarket?
5. Rim size?
6. If aftermarket: offset/backspacing?

This will help the resident tire gurus process your question.

 

I agree. Sometime people just ask how big of a tire can I fit on my F-150 and don't realize how many variables there are.

 

Maybe the moderator can make this a sticky item at the top of the page. This will save us newbies from asking silly questions.