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2020 Silverado / Sierra 4 Piston Caliper swap complete! 2006 Silverado Z71

AlljackedupZ71
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Joe Sanford New Member

Joe Sanford

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Posted

So what is the long-term review of this update.  I am restoring my 2004 GMC Sierra Ext Cab and doing a 6.0 engine/4L80e trans swap and hydro-boost brake upgrade from vacuum boost and then I saw this...I have 22" LTZ wheels so I am thinking I will have room.

 

Thanks!
Joe  

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AlljackedupZ71
AlljackedupZ71

Just wanted to post my experience with the 2020 Piston Caliper swap on a GMT800. My truck is a 2006 Z71.    The swap went pretty much flawlessly. I have seen a couple of topics on this swap

AlljackedupZ71
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Trouble1252 New Member

Trouble1252

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Posted
On 11/27/2020 at 5:32 PM, Eliott cantor said:

Still have any available? I know it’s been a while. 

You still got them. I dont know how to pm on here

  • 2 weeks later...
Trouble1252 New Member

Trouble1252

Posted
Posted
On 5/25/2020 at 8:26 AM, tlaw91 said:

836b8687560bd56e050001082bf853aa.jpg
Does anyone want to buy a set? I have a few laying around


Sent from my iPhone using Tapatalk

You still got some

txab Senior Enthusiast

txab

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Posted

You have to a have a few more posts before you can send a PM to another member

  • 1 month later...
HTown_5.3 New Member

HTown_5.3

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Posted

Just did this swap on 2005 GMC sierra 4x4. Having issues with shuddering while braking at high speeds. After driving on the highway for a while I will go to step on the brakes, the brakes shudder and the steering wheel will violently shake. All air is bled from brakes and tires are balanced. Any ideas on what could be causing this issue? 

  • 2 weeks later...
HTown_5.3 New Member

HTown_5.3

Posted
Posted
On 5/12/2021 at 9:58 PM, kulieboy said:

Sounds like warp rotors, did you put the washer in-between the caliper and the mounting bracket /wholes

I did use washers. I cant remember exactly how thick they were but after bolting everything up the difference between the two sides was about 1mm. From what I have read it is very difficult to get them exactly centered. The issue only happens ever so often. Was thinking it could possibly be an issue with my master cylinder. I have the disk/drum brakes with a vacuum booster. The 4 piston calipers do take a lot more force to stop than the 2 pistons. I am wondering if a hydroboost conversion may help this issue. 

  • 2 months later...
Slammd New Member

Slammd

Posted
Posted
On 5/25/2020 at 9:26 AM, tlaw91 said:

836b8687560bd56e050001082bf853aa.jpg
Does anyone want to buy a set? I have a few laying around


Sent from my iPhone using Tapatalk

available?

  • 3 months later...
noobsquared New Member

noobsquared

Posted
Posted
On 6/26/2020 at 7:50 AM, tlaw91 said:

Metro Atlanta
$500 for a set pads rotors calipers whole deal


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I just joined to see if I can get some info. I'd like to pick up a complete set of fronts for my GMT900 (2009 Tahoe Z71 with some fuel 18" zero-ish offset wheels).

 

How are people liking this setup so far? Is the pedal feel any better? My biggest issue is the pedal feel isn't there compared to modern systems. 

Thanks in advance!

  • 4 months later...
Kiesel Enthusiast

Kiesel

Posted
Posted

AlljackedupZ71,

 

Nice pics and write up. How has it held up? I am considering this for my 2001 Silverado along with upgrading the rears to the Suburban 2 caliper pistons and rotors. Have you noticed any extra pedal travel or softness? I am concerned adding all the extra calipers will make my master cylinder ineffective. I also plan to change to Stainless brake lines which should help save some fluid pressure.

 

Has anybody done this to a 2001 Z71? How were clearances? I have 18" rims from 2019 Sierra AT4.

 

Thanks!

  • 3 years later...
paul.kaos New Member

paul.kaos

Posted
Posted
On 5/24/2020 at 2:36 AM, bricktoo said:

@AlljackedupZ71

I just did this upgrade yesterday to my 2004 Silverado and my 22" Centerline wheels will not fit over the these 4 piston calipers.  What types of wheels are you using with this upgrade?

Thats funny because the OEM base wheel for the truck they come off of is a 18" lololol

 

IIRC theyll fit under 17"s with a wheel spacer

 

Either something weird is going on like you got bigger rotors than stock or your wheels must just have a weird offset from the brake disk and you need a spacer?

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