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Posted

Het guy, and gals,

 

who out there is running this kit? What size tire did you go with? I don’t mind the stock Denali wheels so I would like to keep them too. Thanks.

 

 

BD69E6A2-156D-4C32-9C2E-606446BD6289.png

Posted

lots of people.

take a look over at FB

 

I was going to go with this kit, but I could not get it. No arms in stock. about 6 weeks out.

I live about 40 miles from them and was wanting to go pick it up.

 

I ended up going with the Cognito kit with the new high clearance tubular control arms. No cutting of bumpstops and tons of clearance

  • Thanks 1
Posted

I went 37's on stock wheels. Got the Cognito Premier leveling kit being installed as we speak.

IMG_8981.JPG

  • Thanks 1
Posted
12 hours ago, gSwift said:

I went 37's on stock wheels. Got the Cognito Premier leveling kit being installed as we speak.

IMG_8981.JPG

So this pic is after level installed? And those are the 37” tires? Any rubbing issues? Looks to be set fairly level huh..

Posted
20 hours ago, gSwift said:

I went 37's on stock wheels. Got the Cognito Premier leveling kit being installed as we speak.

I highly doubt the 37s on stock wheels will clear the control arms. my 275s on stock wheels are about 1/4" from the edge of the cognito ball joint pocket. any wider tire on stock wheels would rub.

let us know how it works out. post pics ??

Posted
11 hours ago, Londart2020 said:

So this pic is after level installed? And those are the 37” tires? Any rubbing issues? Looks to be set fairly level huh..

 

3 hours ago, kylant said:

I highly doubt the 37s on stock wheels will clear the control arms. my 275s on stock wheels are about 1/4" from the edge of the cognito ball joint pocket. any wider tire on stock wheels would rub.

let us know how it works out. post pics ??

This picture is with 37's and the torsion bars turned up, no lift kit yet. It didn't rub on the stock control arms, not sure about the Cognito arms. Truck should be done tomorrow, so I guess we'll see. If it does rub, I have a hub-centric spacer i'll use.

Posted
On 10/24/2020 at 7:38 AM, kylant said:

lots of people.

take a look over at FB

 

I was going to go with this kit, but I could not get it. No arms in stock. about 6 weeks out.

I live about 40 miles from them and was wanting to go pick it up.

 

I ended up going with the Cognito kit with the new high clearance tubular control arms. No cutting of bumpstops and tons of clearance

Which high clearance Cognito upper control arms are you referring to? I’m interested but don’t see anything listed for the 2020 2500’s

Posted (edited)
17 hours ago, gSwift said:

Which high clearance Cognito upper control arms are you referring to? I’m interested but don’t see anything listed for the 2020 2500’s

these: https://cognitomotorsports.com/i-30499664-cognito-standard-upper-control-arm-kit-gm.html#!submodel%3DTRUCK||model%3D2500||make%3DGM||year%3D2020

 

they have a more pronounced bend in the leading arm allowing for much more droop/down travel.  the boxed arms (same as Kryptonite) are more straight. The Cognito instructions call for cutting the service perch/frame bumpstop down. I did not want to do that.

Edited by kylant
Posted
1 hour ago, kylant said:

gswift

lets see the final product.

show your angles, etc...

any rubbing on the UCA? how close?

thanks

I'll clean it up today and get some shots. 

 

With stock control arms the 37's worked fine and only rubbed the liners. With the lift and the Cognito control arms, the 37's cleared the control arms by 1/4 inch with the wheels straight, but when it was near full lock the tires rubbed the control arms as you stated. So I pulled off the wheels and mounted my billet 1" wheel spacer and now clear the control arms perfectly. All it needed was some trimming on the liner and the mud flap.

 

As far as angles go, I end up buying the SuspensionMAXX diff drop. I don't really think it was needed since I only lifted slightly less than 3", but it probably helped get them slightly flatter. 

  • 2 months later...
Posted

Well, I pulled the trigger a few weeks ago and ordered the Kryptonite stage 3 kit, get it installed tomorrow. Going with the Toyo AT3, in 35x12.50, guy at the shop said he didn’t think 37” would fit, and that they day I called they were doing an AT4 as we spoke w/35” and they were going to have to do quite a bit of cutting to get them to fit, but it was with after market wheels. I will post pics when I get it back. 

Posted
2 hours ago, Londart2020 said:

Well, I pulled the trigger a few weeks ago and ordered the Kryptonite stage 3 kit, get it installed tomorrow. Going with the Toyo AT3, in 35x12.50, guy at the shop said he didn’t think 37” would fit, and that they day I called they were doing an AT4 as we spoke w/35” and they were going to have to do quite a bit of cutting to get them to fit, but it was with after market wheels. I will post pics when I get it back. 

LOL tell your guy at the shop he doesn't what he's talking about. I clearly ran 37's with ZERO issues once I trimmed the liners and flaps. But i also had stock 20's

Posted
On 1/27/2021 at 11:45 AM, gSwift said:

LOL tell your guy at the shop he doesn't what he's talking about. I clearly ran 37's with ZERO issues once I trimmed the liners and flaps. But i also had stock 20's

Well I am also sticking with the factory wheels, and I dont really want to bend or cut anything on my 5 month old $80K truck. Just picked it up and I love the look and stance. Happy with what I got.

 

Posted

Not the best pic, but this was right after she was done, and I was dropping the old tires off at the old mans for him to give to a friend..NO rubbing, NO cutting/bending anything..

leveled.jpg

  • Like 1
  • 2 weeks later...
Posted

Just installed a Kryptonite Stage 3 Levelling kit on my '21 AT4 HD and I am debating between tire sizes to run on the stock wheels.  

 

Main considerations for me are;

- no rubbing on frame or control arm at full lock or during suspension articulation while driving off road.

- ideally no wheel spacers to make it work

-  trimming or tying back liners is no issue but id rather not start hacking things up beyond that.

 

Tire sizes I'm looking at

35x12.5R20 - which clearly fit no problem as per the above post.  Very similar to stock size (except wider) which looks a bit on the small side with the levelling kit (IMO).

325/60R20 - has anyone that's run this size on stock wheels that can comment on fitment?  This seems like the best size IMO, also comes in factory load & speed rating which is nice.

37x12.5x20 - Sounds like these work with no cutting just wheel spacer and some trimming?  

 

Any & All comments are welcomed.  Looking at the Toyo AT3 as my favourite.  Unfortunately they're hard to find in Canada right now, especially in the 325/60R20 size.

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