Jump to content

Any 2.5" UCAs that wont rub tires without offset wheels/spacers?

DutchOvenTheTruck
 Share

Recommended Posts

DutchOvenTheTruck Enthusiast

DutchOvenTheTruck

Posted
Posted

2018 Silverado 1500 LT
2.5" in front and 3" in back
Bought Rough Country UCAs and they rub at full lock
I have 20"wheels and 32" tires
Trying to avoid both spacers and new wheels/tires

Has anyone come across UCAs that will not rub the tire with a similar setup?

MikeBMW Senior Enthusiast

MikeBMW

Posted
Posted (edited)

I went with MotoFab Ucas: Motofab 3" front and 2" rear lift with 35x12.5x18 BFG KO2s but still had to put on 1/2 inch spacers.
I doubt you can get around this without a knuckle extension.

 

Edited by MikeBMW
  • Like 1
DutchOvenTheTruck Enthusiast

DutchOvenTheTruck

Posted
  • Author
Posted
9 hours ago, MikeBMW said:

I went with MotoFab Ucas: Motofab 3" front and 2" rear lift with 35x12.5x18 BFG KO2s but still had to put on 1/2 inch spacers.
I doubt you can get around this without a knuckle extension.

 

 

I appreciate the response and like your nightlight solution. Can you elaborate on a knuckle extension? That is new to me. Also, which 1/2" spacers did you go with? I found some 15mm billet hubcentric spacers on Amazon with decent enough reviews.

 

HoosierZ Enthusiast

HoosierZ

Posted
Posted (edited)

I have a set of the 15mm spacers with the ET (extended thread) lug nuts that I use with my stock wheels in the winter just to push the tires out a little. I don’t need the spacers for clearance. I have Superlift upper control arms. They appear to have the same wheel and tire clearance as the factory aluminum arms. IMG_5060.thumb.jpeg.ccc1697ff196cd30081d4da87b84713f.jpeg

Edited by HoosierZ
DutchOvenTheTruck Enthusiast

DutchOvenTheTruck

Posted
  • Author
Posted
1 hour ago, HoosierZ said:

I have a set of the 15mm spacers with the ET (extended thread) lug nuts that I use with my stock wheels in the winter just to push the tires out a little. I don’t need the spacers for clearance. I have Superlift upper control arms. They appear to have the same wheel and tire clearance as the factory aluminum arms. IMG_5060.thumb.jpeg.ccc1697ff196cd30081d4da87b84713f.jpeg


Do you happen to remember which 15mm spacers you got? Appreciate it.

MikeBMW Senior Enthusiast

MikeBMW

Posted
Posted
14 hours ago, DutchOvenTheTruck said:

 

I appreciate the response and like your nightlight solution. Can you elaborate on a knuckle extension? That is new to me. Also, which 1/2" spacers did you go with? I found some 15mm billet hubcentric spacers on Amazon with decent enough reviews.

 

I believe I bought them from Ready Lift but it's been awhile .
For more information about a knuckle lift, here is an earlier post from here:

 

  • Like 1
DutchOvenTheTruck Enthusiast

DutchOvenTheTruck

Posted
  • Author
Posted
3 hours ago, HoosierZ said:

IMG_5344.thumb.jpeg.d075c957f7204803105289a1a877a60a.jpeg

Same ones I ordered. I appreciate it! Any issues with these at all? In your video it says you didn't need extended lugs, but you mentioned you're using the ET lugs that came with the spacers. Unless I heard you wrong. Thanks again.

  • Like 1
HoosierZ Enthusiast

HoosierZ

Posted
Posted
21 hours ago, DutchOvenTheTruck said:

Same ones I ordered. I appreciate it! Any issues with these at all? In your video it says you didn't need extended lugs, but you mentioned you're using the ET lugs that came with the spacers. Unless I heard you wrong. Thanks again.

You’re welcome. They are a snug fit into the bore of my factory wheels. I tapped them in with a soft dead blow hammer. I wouldn’t feel safe using the spacers without the ET lug nuts.
MikeBMW posted a video, not me. 

  • Like 1
DutchOvenTheTruck Enthusiast

DutchOvenTheTruck

Posted
  • Author
Posted
2 hours ago, HoosierZ said:

You’re welcome. They are a snug fit into the bore of my factory wheels. I tapped them in with a soft dead blow hammer. I wouldn’t feel safe using the spacers without the ET lug nuts.
MikeBMW posted a video, not me. 


My mistake I thought that was your video. You know, I don't have factory wheels so I had to return mine. I've got aftermarket spacers from the same seller coming in. The others did not fit, but you're mentioning tapping them in. The thought DID cross my mind but I was not sure if that was the play. Glad you mentioned that.

  • Like 1
HoosierZ Enthusiast

HoosierZ

Posted
Posted

The spacers are the same for factory wheels and aftermarket. The lugs are different though. The factory style ET lugs  have a larger shoulder diameter and larger hex size. They won’t work with my aftermarket wheels either. 

DutchOvenTheTruck Enthusiast

DutchOvenTheTruck

Posted
  • Author
Posted
29 minutes ago, HoosierZ said:

The spacers are the same for factory wheels and aftermarket. The lugs are different though. The factory style ET lugs  have a larger shoulder diameter and larger hex size. They won’t work with my aftermarket wheels either. 

Ah, so the spacers don't fit yours either? Did you find another solution/workaround? Maybe you already mentioned it but I may have missed it.

HoosierZ Enthusiast

HoosierZ

Posted
Posted
21 hours ago, DutchOvenTheTruck said:

Ah, so the spacers don't fit yours either? Did you find another solution/workaround? Maybe you already mentioned it but I may have missed it.

The spacers will fit, but the stock style lug nuts won’t fit through the smaller holes in my aftermarket wheels. They make different lug nuts to use with aftermarket wheels. 

DutchOvenTheTruck Enthusiast

DutchOvenTheTruck

Posted
  • Author
Posted
15 hours ago, HoosierZ said:

The spacers will fit, but the stock style lug nuts won’t fit through the smaller holes in my aftermarket wheels. They make different lug nuts to use with aftermarket wheels. 

Strange. I ordered the factory style spacers from the same people and I could not get them flush. Thanks again for all the feedback.

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing

  • Latest Articles

  • Posts

    • cautious optimist
      GM Hard Folding Tonneau by REV review

      By cautious optimist · Posted

      This is a really late reply but I just found this thread. They won't sell the hinges. I've gone 7 rounds with them. Their solution is to buy a new cover. I'm about to buy a new cover and it won't be a Bakflip. It also won't be from realtruck.com. 
    • Chuck FB
      2 speed transfer case optional now?

      By Chuck FB · Posted

      Yes, and also pulling heavy trailers or a large camper up steep grades as well as descending grades such as the more rustic off road camping locations and using engine braking with that low gearing as well as soft ground can just suck the power . I realize pickups these days tend to have an over all lower first gear ratio compared to automatic transmission pickups from years back so that has helped a lot in its ability in high range but there comes a point if in four wheel drive the torque runs out at the wheels, certainly with a gas engine. They don't put two speed transfer cases on pickups for a cool factor, they have a function if one needs that massive torque to the wheels that high range can't deliver. 
    • Grumpy Bear
      Grumpy Bears 2015 Silverado 2WD

      By Grumpy Bear · Posted

      Notes 7/18/2026   3,400 miles on this batch of Mobil 1 Euro 5W40 since the GDI pump replacement. Alcohol runs very clean when ring seal is tight and the sump isn't getting hosed with fuel. Checked oil level at fill up today as is my practice and grabbed a white Kleenex to look at the color. What color?  I was going to change it but.....  
    • Another JR
      2 speed transfer case optional now?

      By Another JR · Posted

      4 low is really nice on steep boat ramps. 
    • Chuck FB
      Gas Prices

      By Chuck FB · Posted

      Interesting, I suspect I would have fueled up in Lee Vining as the day prior I would have filled up either in Laughlin or near there and maybe again before I entered Death Valley and once out the other side late that evening as I kept on driving into the night up near Lee Vining. Next morning I most likely fueled up in LV before heading over Tioga Pass into ( as I refer to it as "Yose .... Mite" 😁 ). And again that was 19 years ago but the price then must not have jumped out at me like the 5 bill a gallon theme of nutty cult hippy country Big Sir or head so far up their rear Aspen. I'd be curious to know where the highest prices are in the lower 48, I probably would not be far off to guess somewhere in Cali forn ie. Coldfoot and Prudhoe bay may have those prices beat but that is a whole other world up there and when prices are more normal elsewhere that is about what they can be up there I believe in no mans land. Anyway interesting that the 395 corridor is hosing people and the thing is, its tourist season and its not like there are a lot of competition options when driving up that highway from what I could see. Yup, big ole Boaterhomes and various other RV's ahead and behind me at the Yosemite entrance gate and they have to get their fuel somewhere.  

  • GM-Trucks.com Clubs

  • Popular Contributors

×
×
  • Create New...