Wanting to upgrade to 20's

[oh1yukonslt]

Wanting to upgrade my stock wheels and tires to 20's. Problem im having are the tires that im seeing are P rated tires and not LT. Will P275/55/20 tires hold up? I have LT 265/75/16 with E rated tires due to it being a 3/4 ton and plan on using a trailer in the summer. And this 3/4 Yukon XL is pretty heavy weighing 5521 lbs empty loaded with gear and fuel and family im quite sure I will be tipping the scales at 7500 or more. And the trailer is about 5000 lbs also. Just wondering if the P rated tires will hold up or am I better off sticking with my LT tires.

 

[TFH]

New guy here... I vote you stick with your LT tires. Aftermarket wheels are such a crap shoot. Just make sure your get a wheel that is strong enough. I would hope that any wheel manufacturer that makes an 8 lug wheel would make them strong enough, but I have had too many aftermarket wheels turn out to be crap.. buyer beware.

I also have a Yukon XL 2500 with the 8.1 and use it to tow a 27' trailer. I would never put a passenger car tire on a 3/4 ton truck, especially if I ever planned on towing with it. I suppose if you never towed or hauled anything, a passenger tire would work, but I wouldn't try it.

If you bump up to a 275-65 20 there are about 15 solid E rated tires on tirerack. http://www.tirerack.com/tires/TireSearchResults.jsp?customSizeSearch=&width=275%2F&ratio=65&diameter=20 Granted those are close to 35 inchers. It looked like there were a few E rated at 285-55 20, one of which was about a 32 inch tire.

I recently towed 26,000 miles on an 8 month trip... Tires are important, find something that fits your needs. I air mine up to about 70 PSI when I tow. I know a lot of guys who go with the max psi of 80. I mention that as I am not sure that most aftermarket wheels will handle that.

Sorry brain vomit here. Or swap your OEM wheels and E rated tires when you are ready to tow. Hope I didn't come off to preachy there, passenger car tires on a 3/4 ton truck, towing a trailer kinda freak me out.

 

[oh1yukonslt]

New guy here... I vote you stick with your LT tires. Aftermarket wheels are such a crap shoot. Just make sure your get a wheel that is strong enough. I would hope that any wheel manufacturer that makes an 8 lug wheel would make them strong enough, but I have had too many aftermarket wheels turn out to be crap.. buyer beware.

I also have a Yukon XL 2500 with the 8.1 and use it to tow a 27' trailer. I would never put a passenger car tire on a 3/4 ton truck, especially if I ever planned on towing with it. I suppose if you never towed or hauled anything, a passenger tire would work, but I wouldn't try it.

If you bump up to a 275-65 20 there are about 15 solid E rated tires on tirerack. http://www.tirerack.com/tires/TireSearchResults.jsp?customSizeSearch=&width=275%2F&ratio=65&diameter=20 Granted those are close to 35 inchers. It looked like there were a few E rated at 285-55 20, one of which was about a 32 inch tire.

I recently towed 26,000 miles on an 8 month trip... Tires are important, find something that fits your needs. I air mine up to about 70 PSI when I tow. I know a lot of guys who go with the max psi of 80. I mention that as I am not sure that most aftermarket wheels will handle that.

Sorry brain vomit here. Or swap your OEM wheels and E rated tires when you are ready to tow. Hope I didn't come off to preachy there, passenger car tires on a 3/4 ton truck, towing a trailer kinda freak me out.

Great thanks, And welcome to forum. I'm new here myself. That made up my mind right there. I will be towing in the summer time with it. All valid points you bring up. Im just going to stick with my LT tires. Those Maxxis I have currently on there do great on and off road. Now that you mention it my brother bent an aftermarket wheel by hitting a pot hole on I90 when he was towing his camper and I had to rescue him he was running 37's and his spare was only a 33. Talk about a pain in the Ying Yang!! Thanks for the info I think im just going to stick with my 16s and LT tires. Cheaper in the long run. Don't want to have to swap wheels and tires just to tow.

 

[Yukongk]

What tires do the NNBS 20's use? I'd assume they would be fine on your truck? G

 

[oh1yukonslt]

What tires do the NNBS 20's use? I'd assume they would be fine on your truck? G

That's a good question I will have to look into it. By chance what is the largest size stock height rig and stock rim tire size I can go? My neighbor has some 285/75/16 BFG tires he just told me about with 90% tread he is willing to give to me since I plowed the side of his road all the time for free. Will those fit without rubbing on stock set up?

 

[livingez_123]

grab one or two and put them on and see. if he's that close it's worth the time.

 

[oh1yukonslt]

grab one or two and put them on and see. if he's that close it's worth the time.

I would if they were on rims. He had them on his super duty. Tire shops around here charge 20 per tire to dismount and mount. Stupid if you ask me. Lucky I know a friend that's about 20 miles out that does it for free at his shop

 

[YukonXL04]

They should fit if you crank the torsion bars a little to level it out.

I fit those on my 2000 2500 4x4 Sierra. I cranked the bars to put me at 1/2" lower than the rear instead of the 2" it comes stock. Mine were on aftermarket wheels though which made them stick out.