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Posted

I'm curious about this as well. A 295/70R18 is over 34" tall and almost 12" wide, so i have a feeling they will rub some. Especially if you have your front valance on and mud flaps like my truck. I was thinking this size when i level my truck, but may get 17" wheels and 295/70R17's. This would be close to a 33.5", which i think would fit very easily. Wheel of

Well im installing my level later today, ill try to take some measurements of the clearances i have with the stock 18" rims and tires.

  • Like 1
Posted

Already posted in level section but want to show of the new meat!

I'll try to get some more pics tomorrow one I clean them up.

 

Stock 18s with 305/60r18 BFG Km2 mud terrains. Love these tires had a set on my old ford.

 

gallery_136507_2956_3276556.jpg

Posted

Already posted in level section but want to show of the new meat!

I'll try to get some more pics tomorrow one I clean them up.

 

Stock 18s with 305/60r18 BFG Km2 mud terrains. Love these tires had a set on my old ford.

 

gallery_136507_2956_3276556.jpg

 

Well, then put this pic of the big knobby in there too. :cheers:

 

chrome_mo951_bfg_km2_35x12_5x17_002_zps7

Posted

Thanks RickRod! The wheels were powder coated matte bronze prior to installation. The wheels are 18x9 Method Mesh with -12mm offsets. I bought them from Tire Rack.

Did you have to do anything to get the truck to ride right? Or just wheels + tires & alignment and you were good to go?

Posted

I'm sure the info is somewhere in here.....

 

I emailed Ready Lift and Rough Country inquired as to two tires that I was looking to purchase, but wanted to make sure they would fit without any rubbing. Ready Lift has a 2.25" and Rough Country was 2.5"

 

Tires #1 32.8 x 11.8 (Cooper S/T Maxx 285/65-18)

Tires #2 33 x 11.50

 

Response from Rough Country "We recommend running 285/65/18 on that kit. That tire comes out to a 32.6"x11.22". You should be fine if you are close to that."

 

Response from Ready Lift "Thank you for contacting ReadyLift Suspension. We spec a 33"x 11.5" tire based on a 9" wide wheel with a +12 offset or 5.5" of backspacing. The offset of the factory wheel will determine if the specified tires will have a rubbing issue. If the factory wheel has a greater +12 offset or more than 5.5" of back spacing then the tire will most likely have a rubbing issue of the suspension components. Most likely at the Upper control Arms. Please verify the offset of the factory wheel or consult your local tire and wheel provider. Please contact Tech Support for further assistance"

 

I have the factory 18" Z71 rims and I believe the offset is +24?

 

I was thinking of going with the Ready Lift. Since they base their specs on a 9" wide wheel with a +12 offset or 5.5" of backspacing, does anyone know if I would be okay since my wheel is only 8.5" wide? Really like the Cooper S/T Maxx and wanted the 285/65-18(32.8x11.8), think the tire would be a little more flush with the fender? Or am I completely wrong?

Posted

IgFYxrk.jpg

 

MNF!

 

Should add specs... 18-inch Method Mesh wheels with 275/70/18 Bridgestone A/T Revo 2s. Loving these Revo2s compared to the BFG ATIIs I started with... they ride MUCH smoother and actually balanced out, instead of shaking the whole truck apart. 2.5-inch level, no rub.

You make me regret getting my Sierra in white and not black.. Love the setup you have!

Posted

I'm sure the info is somewhere in here.....

 

I emailed Ready Lift and Rough Country inquired as to two tires that I was looking to purchase, but wanted to make sure they would fit without any rubbing. Ready Lift has a 2.25" and Rough Country was 2.5"

 

Tires #1 32.8 x 11.8 (Cooper S/T Maxx 285/65-18)

Tires #2 33 x 11.50

 

Response from Rough Country "We recommend running 285/65/18 on that kit. That tire comes out to a 32.6"x11.22". You should be fine if you are close to that."

 

Response from Ready Lift "Thank you for contacting ReadyLift Suspension. We spec a 33"x 11.5" tire based on a 9" wide wheel with a +12 offset or 5.5" of backspacing. The offset of the factory wheel will determine if the specified tires will have a rubbing issue. If the factory wheel has a greater +12 offset or more than 5.5" of back spacing then the tire will most likely have a rubbing issue of the suspension components. Most likely at the Upper control Arms. Please verify the offset of the factory wheel or consult your local tire and wheel provider. Please contact Tech Support for further assistance"

 

I have the factory 18" Z71 rims and I believe the offset is +24?

 

I was thinking of going with the Ready Lift. Since they base their specs on a 9" wide wheel with a +12 offset or 5.5" of backspacing, does anyone know if I would be okay since my wheel is only 8.5" wide? Really like the Cooper S/T Maxx and wanted the 285/65-18(32.8x11.8), think the tire would be a little more flush with the fender? Or am I completely wrong?

it's what ever you want both comparable. I also have the factory 18" wheels and a rc 2.5" front only level. I am running 305/60r18 BFG Km2's. I had a slight rub on full lock on my sway bars but solved it with a 1/4" spacers.
Posted (edited)

I'm sure the info is somewhere in here.....

 

I emailed Ready Lift and Rough Country inquired as to two tires that I was looking to purchase, but wanted to make sure they would fit without any rubbing. Ready Lift has a 2.25" and Rough Country was 2.5"

 

Tires #1 32.8 x 11.8 (Cooper S/T Maxx 285/65-18)

Tires #2 33 x 11.50

 

Response from Rough Country "We recommend running 285/65/18 on that kit. That tire comes out to a 32.6"x11.22". You should be fine if you are close to that."

 

Response from Ready Lift "Thank you for contacting ReadyLift Suspension. We spec a 33"x 11.5" tire based on a 9" wide wheel with a +12 offset or 5.5" of backspacing. The offset of the factory wheel will determine if the specified tires will have a rubbing issue. If the factory wheel has a greater +12 offset or more than 5.5" of back spacing then the tire will most likely have a rubbing issue of the suspension components. Most likely at the Upper control Arms. Please verify the offset of the factory wheel or consult your local tire and wheel provider. Please contact Tech Support for further assistance"

 

I have the factory 18" Z71 rims and I believe the offset is +24?

 

I was thinking of going with the Ready Lift. Since they base their specs on a 9" wide wheel with a +12 offset or 5.5" of backspacing, does anyone know if I would be okay since my wheel is only 8.5" wide? Really like the Cooper S/T Maxx and wanted the 285/65-18(32.8x11.8), think the tire would be a little more flush with the fender? Or am I completely wrong?

the Readylift is 2.25 front level only

Roughcountry does 2.5" front lift plus 2" rear blocks (1" rear lift) the rear doenst really matter for wheel fitment, i bet you can fit a 38" in there with no rubbing, just the front IMO

 

im going to get the roughcountry 2.5" kit....its also much cheaper.

also decided on 285/60/20 or 275/60/20....hopefully getting the duratracks

Edited by EaZ8
Posted (edited)

I'm sure the info is somewhere in here.....

 

I emailed Ready Lift and Rough Country inquired as to two tires that I was looking to purchase, but wanted to make sure they would fit without any rubbing. Ready Lift has a 2.25" and Rough Country was 2.5"

 

Tires #1 32.8 x 11.8 (Cooper S/T Maxx 285/65-18)

Tires #2 33 x 11.50

 

Response from Rough Country "We recommend running 285/65/18 on that kit. That tire comes out to a 32.6"x11.22". You should be fine if you are close to that."

 

Response from Ready Lift "Thank you for contacting ReadyLift Suspension. We spec a 33"x 11.5" tire based on a 9" wide wheel with a +12 offset or 5.5" of backspacing. The offset of the factory wheel will determine if the specified tires will have a rubbing issue. If the factory wheel has a greater +12 offset or more than 5.5" of back spacing then the tire will most likely have a rubbing issue of the suspension components. Most likely at the Upper control Arms. Please verify the offset of the factory wheel or consult your local tire and wheel provider. Please contact Tech Support for further assistance"

 

I have the factory 18" Z71 rims and I believe the offset is +24?

 

I was thinking of going with the Ready Lift. Since they base their specs on a 9" wide wheel with a +12 offset or 5.5" of backspacing, does anyone know if I would be okay since my wheel is only 8.5" wide? Really like the Cooper S/T Maxx and wanted the 285/65-18(32.8x11.8), think the tire would be a little more flush with the fender? Or am I completely wrong?

 

I believe the current wheel specs for 2014 and up GM trucks are as follows:

 

17 x 8: +24 offset or 5.44 backspacing

 

18 x 8.5: +24 offset or 5.69 backspacing

 

20 x 9: +27 offset or 6.06 backspacing

 

22 x 9: +31 offset or 6.22 backspacing

 

For starters I would never pay what Ready Lift wants for anything they make. Not that it's poor quality or anything like that, but it's very overpriced. I would easily choose Rough Country here based on price and the extra amount of lift it provides. Which I think you'll need. As far as your stock 18's go, they aren't too far removed from what RL recommends as far as backspacing is concerned, so you'll be fine there. As far as wheel width is concerned, you're good there too. As a general rule of thumb, you want the tires no greater than 4" wider than the width of the wheels. Now it's possible you could get some minor rubbing against the suspension at full lock but I wouldn't expect much. If you're worried about it, go with a slightly narrower tire. Oh, and you probably won't be flush with the fender, rather slightly tucked.

Edited by Blackout07
  • Like 1
Posted

Looks good. You ever consider losing the steps? I think it would look much cleaner.

Thanks! Yeah I've been meaning to take them off, just haven't had the time yet.
  • Like 2

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