2006 Suburban 2500 lift/tires

[pete.wilson]

Hey

I picked up a decent 06 Sub 3/4 ton with a 6.0L (129K miles) 4x4 in which I will use for camping and some off-road capability. I presently have 235/85-16's on stock wheels; does anyone know if you can mount 255/85-16's on the same wheels without tire rub/clearance issues? Otherwise I'm looking at a BDS 4 1/2" lift but that would require new wheels and tires and money of course. I would like more ground clearance, but also durability/reliability is key as here in Montana, there is a lot of driving going from point A to B. Suggestions appreciated.

Also: Has anyone mounted a roof top tent to the factory roof rack bars, are they strong enough? (Thule or Yakima best?)

Pete

 

[Burb One]

On a 2500 you should be good with the tire size, I believe, with minimal rubbing (Equivalent to 33x10?)

I have a 1500, but think the cross bars are the same as a 2500. I don't think the stock roof rack bars are strong enough-my stock ones were easily flexed by hand. I would say you would need to go one of the aftermarkets. I have a rack on some Thule bars. I think they are rated for 150 pounds each. I would image with 2 or 3 of those you would be good for a RTT

 

[chilliwak]

I am looking forward to seeing what your truck looks like with some pics Pete. Also I am sure you will find a BDS lift to be a great improvement. I have BDS springs on both my rigs and they work great. Cheers, Chilli..

 

[DavidS]

Come on Pete! let's see this beat.

 

[jeep-N-montero]

BTW, the 255's vs the 235's will result in a whopping 1 inch of actual extra clearance under the differentials, not to mention you have more tread pattern options in the 235's. I went through the same debate with our previous truck.

 

[upcruiser]

This is my 2004 2500 with 285/75-16 General Grabber AT2's on stock wheels. Truck is stock other than Bilstein 5100's and I cranked the front so it is about 2" lower than rear. Front seemed sagged when I got the truck. Rides great, I get a little rubbing on the front when turning hard and the suspension is compressed. Not bad enough that I felt like I needed to address it. I have the 4.10's in this truck and I don't think I would want to be on a tire smaller than a 33. Even with 33's the engine is spinning pretty good at freeway speeds. Well matched for poking around offroad though.

 

[chilliwak]

Nice looking Burb`Kristian. You can always use a sawzall to cut away a corner of your front bumper or back of the fender if you take it easy. That is usually the place the tire will rub. I hope this helps. Cheers, Chilli..

 

[Buliwyf]

I'll 2nd the vote for 285/75's. Just check the actual spec's, my 285 or 295r17 Coopers (forget which size) are much taller than they should be for those #'s.

Maybe crank the front springs a hair.

 

[01BURB]

I run 285 75 16 on m y 2001 Suburban 2500 on factory steelies. Front is cranked up just a little with no rub. On my 2006 CCLB 3500 Duramax I run 285 75 17 on H2 wheels and they do rub a little bit. I need to do the large fender mod on both vehicles just to give me a little extra room. The front suspension is the exact same for both of them.

 

[kidphc]

Do you have to flip the shock bolt on the rear of a 2500 like you do on a 1500?

 

[Kyle Kelso]

Definitely DO NOT mount the RTT on the factory crossbars!!!! Mine got very loose just from the wind catching my paddle board! I have a large RTT on my 04 2500 suburban mounted on 3 Thule crossbars. The factory rails seem stout enough with the crossbars mounted right next to the base points, but again the factory cross bars will be disastrous.

I have 285/75R16 on factory wheels and would like 255/85 as they are narrower and taller but options are VERY limited and pricing is higher.

4 crossbars on my roof but tent sits on only 3.

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