2005 F150 4x4 with AS 2.5" and 17x9 4.75"BS - I want to run 315/70/17's but I want to know if i'll be okay with rubbing on the INSIDE of the wheel well and if not, how much modding with have to be done? I'm not worried about fender/bumper/valance clearance as I'm going to an aftermarket pre-runner style bumper that gives me a lot of clearance in the front. If not then I'm gonna leave it stock and run 33's - Thanks guys (and Wandell) ...lol

 

I believe at full lock is where you will rub your control arms.

 

Would more BS prevent the rubbing? Say 6" BS? on a 17x8" rim? And would this work on a 2WD as well as a 4WD?

 

keep in mind that the more backspacing means the more of the wheel is tucked inside the fenderwell and subsequently is closer to all of the suspension components -

 

With those wheels, you are gonna need to stick with 33's. If you want to run 35's you need to use the oem wheels or find a 17x8 inch wheel with 5.5 inches of backspacing.

 

Ooops, I knew that too. My mistake. Thanks.

Would this work for the 2WD as well? I am actually looking at a 17x8 with 5.5 BS that I really like.

 

No, 4x4's sit about 2 inches taller than the 4x2's. I'd stick with 33's on a 4x2 regardless.

 

Cool, I did not know that. probably best since i don't plan to re-gear. Cool, thanks.

 

Dang it Wandell...for all you infinite knowledge you never tell me anything I want to hear!!!...lol Thanks buddy - I stayed away from anything over the 5" BS mark as I have been told this will not work with aftermarket UCA's like Camburg/Total Chaos - I had these Centerlines Custom made for my 7lug application and after realizing I was probably going too wide for a leveled truck on 315's... they showed up at my door. Oh well, with stock 4.10's I guess I won't have to spend money on re-gearing. I just wonder how much rubbing will occur with 315's and if there are any mods/fabricating I can do to free up some space on the inside -

Wandell - What about 305/70/17's

 

The 305/70-17 is basically a 34x12.50 tire. They may work but you will have some rubbing.

 

Why would he need 33's? I have 33 on those same spec wheels on a 2wd with very minor rubbing at full lock. I would think the additional 2 inches would help clear that.

 

How bad does it rub? Did you have to modify the wheel well in any way? What lift, wheel size/backspacing and tire size are you running? Any pics? Thanks bro..

 

Sorry I took so long. Been out of town. Ive got the 2.5 AS with 305/65R17 Extreme AT's on 17x9 wheels with 4.75 BS. I have not modified my wheels wells in any way. They only rub the inner rear(closest to the cab) part at full lock and its very slight. I can even hear it, just slightly feel it through the stering wheel. I will get pics.

 

Sorry for the crappy cell phone pics

 

I am assuming that your truck is 4WD?