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2021 1500 Silverado with 35x12.50R20 3.5 RC lift BUILD

RST from TN
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RST from TN Enthusiast

RST from TN

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Posted (edited)

I wanted to start a new thread. I have searched the internet over and over. I have not been successful in finding a build that is close to what I am doing. I have a bunch of goodies for the 2021 Silverado 1500 RST 3.0 Diesel setting in my garage. I am starting my build today however I wanted a start-to-finish post on here to help others that might be thinking the same thing. 
 

My shopping list: (so far) 

 

RC 3.5-inch lift kit (Front strut spacers and Rear N3 shocks) 

RC Air spring kit 

RC EXO winch mount

RC 12000-lb Synthetic rope Pro Series winch 

RC LED grille light kit 

 

RDS Transfer tank 55 gallon 

Armordillo CR1 Tire Carrier

Bed Fender well toolbox (Undercover brand) 

GM OEM Upfitter switches 

 

N-FAB Wheel-to-wheel running boards 


Fuel Flame 20x10 -18 offset 

Nitto Trail grappler 35x12.50

 

Black badges 

20% window tint side (this was done by a shop) 

Front window tinter 50% all the way with a 5% brow on the top windshield. 

 

I think I have this all correct. I am starting my build today and since I am doing this all on my own, for the install, I won't have time to do a step-by-step install. Again, I wanted people to see a build that can be done on your own. I am not a mechanic but your everyday guy. You can do this too. 

 

I forgot to take a picture before I changed badges and tinted windows however here is a photo of my identical truck before I started. This will take me about two to three weeks to complete. So stay tuned and I will add pics as I go along. 

 

Stock truck .jpg

Edited by RST from TN
correction of description
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RST from TN Enthusiast

RST from TN

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Posted (edited)

Alright, day 4 of my slow build... Today I have finished the NFABS, 3.5 RC lift, and the Airbags RC are installed as well. Not pictured is the wheel well toolbox, it is an Undercover brand BTW, with the new locks to keep it from being stolen. Badges are replaced from chrome to black along with the windows that have been tinted in addition to the front windshield with 50% all the way down and 5% brow across the top of the glass. 

 

Waiting on the winch mount from RC to come in which has now pushed it back to 7/14/2022 according to my order status. 

 

This weekend I am hoping my upfitter switches come in so that I can install the grille lights as well as the switches. 

 

Wheels and tires should be here by the end of the week. Right now, my truck has definitely missed leg day at the gym. 

Little done .jpg

Edited by RST from TN
correction of description
mikewohlwend Enthusiast

mikewohlwend

Posted
Posted
14 hours ago, RST from TN said:

Alright, day 4 of my slow build... Today I have finished the NFABS, 3.5 RC lift, and the Airbags RC are installed as well. Not pictured is the wheel well toolbox, it is an Undercover brand BTW, with the new locks to keep it from being stolen. Badges are replaced from chrome to black along with the windows that have been tinted in addition to the front windshield with 50% all the way down and 5% brow across the top of the glass. 

 

Waiting on the winch mount from RC to come in which has now pushed it back to 7/14/2022 according to my order status. 

 

This weekend I am hoping my upfitter switches come in so that I can install the grille lights as well as the switches. 

 

Wheels and tires should be here by the end of the week. Right now, my truck has definitely missed leg day at the gym. 

Little done .jpg

 

Can you post a measurement for the height of your fenders? I am looking to lift my truck a little more and was curious if this is higher than I already have.

RST from TN Enthusiast

RST from TN

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Posted
On 7/6/2022 at 12:00 PM, mikewohlwend said:

 

Can you post a measurement for the height of your fenders? I am looking to lift my truck a little more and was curious if this is higher than I already have.

I plan on doing some more work today. I will get this for you. 

RST from TN Enthusiast

RST from TN

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Posted
On 7/6/2022 at 12:00 PM, mikewohlwend said:

 

Can you post a measurement for the height of your fenders? I am looking to lift my truck a little more and was curious if this is higher than I already have.

I measured a little bit ago 41 in the front and 41.5 in rear. 

 

mikewohlwend Enthusiast

mikewohlwend

Posted
Posted
20 hours ago, RST from TN said:

I measured a little bit ago 41 in the front and 41.5 in rear. 

 

 

Thank you.  That's the same height my Trail Boss is sitting right now.

RST from TN Enthusiast

RST from TN

Posted
  • Author
Posted
3 hours ago, mikewohlwend said:

 

Thank you.  That's the same height my Trail Boss is sitting right now.

You have already installed more lift than the factory, correct? 

RST from TN Enthusiast

RST from TN

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Been a bit since I have updated. I currently have been doing work underneath the vehicle. Airbags, compressor, aux fuel tank connection etc...

 

Today I am putting in the Rough Country grill lights. 

Byrds8 Enthusiast

Byrds8

Posted
Posted
On 7/10/2022 at 6:40 PM, RST from TN said:

I measured a little bit ago 41 in the front and 41.5 in rear. 

 

Measured from the ground or the bottom of the wheel?

RST from TN Enthusiast

RST from TN

Posted
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Posted
On 7/17/2022 at 6:32 PM, Byrds8 said:

Measured from the ground or the bottom of the wheel?

From the ground

 

RST from TN Enthusiast

RST from TN

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Posted (edited)

I am going to post this in three pics... 

3.5 Rough Country lift 

Fuel Vapor 20X10 -18MM offset 

Nitto Ridge Grappler 35x12.50 

 

Hard to see at first glance but the RC Grille lights are in also... Coming along. 

Lift .jpg

Edited by RST from TN
RST from TN Enthusiast

RST from TN

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Posted (edited)

I cannot get this picture to post vertical. Sorry about that. 

 

Fuel Vapor 20X10 -18MM offset 

Nitto Ridge Grappler 35x12.50 

 

Side view .jpg

Edited by RST from TN
RST from TN Enthusiast

RST from TN

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  • Author
Posted

Again will not post vertical. 

 

Fuel Vapor 20X10 -18MM offset 

Nitto Ridge Grappler 35x12.50 

Tire size .jpg

RST from TN Enthusiast

RST from TN

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I rubbed very little however it was enough to keep me from turning tight. When I got home, I took 30 minutes per side and removed the carpet plate, cut down the mudflap, and used a zip tie to hold back the carpet. Zero rubbing after that. 

Edited by RST from TN
correction of description

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