Upper Control Arms for Fox 2.0 Coilovers

[bayouguy71]

I did a search and really didn't see anything that answered my question directly.

2018 with 2.0 Fox Coilovers and 92k miles, I also have 20" wheels with 33's

Ball joints are starting to pop and I am curious what the recommended UCA would be from the group.

Never offroad so I don't need anything crazy.

Replaceable ball joints are not a must but I would like something a little more robust that stock.

Do also need to do the lower arms or are those ball joints replaceable?

 

Also, even with the Fox 2.0's truck is not quite level because I have bags in the back.

Anyone know the proper method for adjusting the Fox's for a little more height?

 

Thanks in advance

Edited March 14, 2025 by bayouguy71

[MikeBMW]

3 hours ago, bayouguy71 said:

I am curious what the recommended UCA would be from the group.

Never offroad so I don't need anything crazy.

I went with Motofab UCAs. They have zerk fittings for keeping them greased up.
https://motofablifts.com/i-30558324-17-18-chevy-gmc-silverado-sierra-1500-upper-control-arms.html

Edited March 15, 2025 by MikeBMW

[bayouguy71]

On the motofab sight it says I may need 1/4 spacers to run my stock 20s, is that for rim rub or tire rub? 

I am running 275/60/20

Edited March 16, 2025 by bayouguy71

[bayouguy71]

WOW, I spent the whole weekend off and on trying to figure this out and didn't seem to gain any ground.

I want to keep my stock 20's with the 275-60's but can't figure out for the life of me what UCA's actually work with that setup except for the stock stamped ones that lasted 91k.

I would rather not run spacers if I don't have to but will if needed, I do not want the tires sticking out past the fenders.

 

I was hoping someone had the same set up as I do and could give me real world experience / advice.

[MikeBMW]

On 3/15/2025 at 8:07 AM, bayouguy71 said:

On the motofab sight it says I may need 1/4 spacers to run my stock 20s, is that for rim rub or tire rub? 

I am running 275/60/20

Mainly for tire rub. It was really bad for me until I put on the spacers.
In your case, with 20s, it may be for the rims, for me it was the tires.

 

On 3/17/2025 at 10:25 AM, bayouguy71 said:

WOW, I spent the whole weekend off and on trying to figure this out and didn't seem to gain any ground.

I want to keep my stock 20's with the 275-60's but can't figure out for the life of me what UCA's actually work with that setup except for the stock stamped ones that lasted 91k.

I would rather not run spacers if I don't have to but will if needed, I do not want the tires sticking out past the fenders.

 

I was hoping someone had the same set up as I do and could give me real world experience / advice.

Small spacers - 1/4" really do not add a lot of detrimental effects to the overall suspension - if any.
A 1/4" spacer will not poke the tires out too much.
I installed a 1/2" spacer and the results were great.
See the first part of the video:

 

Edited March 23, 2025 by MikeBMW

[bayouguy71]

Update, being that most aftermarket UCA's are meant for 2.5"+ of lift / level I went ahead and ordered the MOOG premium UCA's, my stockers lasted 92k so....

While working on the front end I went ahead and got lower BG's, inner / outer tie rods for them to install.

I have the wheel bearings as well and with 92k and the front end already apart am debating having those installed as well.

 

By the time I am done I will have a mostly new front end given my Fox2.0 struts only have a few thousand miles on them.

 

Back to the spacers topic, how thick can you go and still use the factory studs?

I think that MikeBMW stated he did 1/2".

What have others done?

 

Edited March 27, 2025 by bayouguy71

[HoosierZ]

 

7 hours ago, bayouguy71 said:

 

Back to the spacers topic, how thick can you go and still use the factory studs?

I think that MikeBMW stated he did 1/2".

What have others done?

 

I have 15mm (almost 5/8”) spacers that I use with my stock wheels. They came with ET (extended thread) lug nuts that have 10mm of extra thread engagement over the stock lugs.

 

Edited March 27, 2025 by HoosierZ

[bayouguy71]

14 hours ago, HoosierZ said:

 

I have 15mm (almost 5/8”) spacers that I use with my stock wheels. They came with ET (extended thread) lug nuts that have 10mm of extra thread engagement over the stock lugs.

 

Thanks, those are intriguing, just for the lugnuts alone!