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Speed limiter delete

Stephen L. Pannell
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Stephen L. Pannell Enthusiast

Stephen L. Pannell

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Any news on a programmer that will unlock and change the 106 mph speed limiter for the 2019-2020 6.2l silverados?  Do not want to change the computer out, just unlock to change the speed limiter.

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eppieguy
eppieguy

Maybe 

Silverado4x4
Silverado4x4

Tires and driveshaft. Once a driveshaft comes out of balance at those speeds it will destruct with in seconds.

CamGTP
CamGTP

They do make one.   It requires voiding your warranty and spending a minimum of $1,900 to purchase a new unlocked computer from HP Tuners and the credits to tune it.   I doubt you'

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eppieguy Senior Enthusiast

eppieguy

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Nope, but mine goes to 113 and stops.

Thomcat Senior Enthusiast

Thomcat

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I have though that the speed limiter setting is a safety concern and set based upon the performance specs of the stock tires.

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Stephen L. Pannell Enthusiast

Stephen L. Pannell

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My tires are 118 mph rated and there is a good safety factor on top of that. I would expect these T rated Bridgestones to be good for at least 125-130 regardless of what the mfg states. They have to protect themselves.

Edited by Stephen L. Pannell
Silverado4x4 Senior Enthusiast

Silverado4x4

Posted
Posted (edited)
On 5/1/2020 at 11:42 AM, Thomcat said:

I have though that the speed limiter setting is a safety concern and set based upon the performance specs of the stock tires.

Tires and driveshaft. Once a driveshaft comes out of balance at those speeds it will destruct with in seconds.

Edited by Silverado4x4
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CamGTP Senior Enthusiast

CamGTP

Posted
Posted

They do make one.

 

It requires voiding your warranty and spending a minimum of $1,900 to purchase a new unlocked computer from HP Tuners and the credits to tune it.

 

I doubt you're going to spend that kind of cash just to go over 106mph every now and then.

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Supercup Enthusiast

Supercup

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My 2019 Carbon Pro AT4 kicks in at 98 mph - very annoying!  Well below the tire rating - but I guess they dock you another 8 mph for the 2" lift! 

JohnTz Enthusiast

JohnTz

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Posted

Do you really want to take these high, loose un aerodynamic vehicles with truck tires with a significant forward weight bias at speeds higher than 100? 

eppieguy Senior Enthusiast

eppieguy

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Posted (edited)

Maybe 

F8D30771-01AD-43C6-AD10-3790775B4E4B.jpeg

Edited by eppieguy
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Stephen L. Pannell Enthusiast

Stephen L. Pannell

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18 hours ago, JohnTz said:

Do you really want to take these high, loose un aerodynamic vehicles with truck tires with a significant forward weight bias at speeds higher than 100? 

Absolutely :)

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eppieguy Senior Enthusiast

eppieguy

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Posted
8 hours ago, Stephen L. Pannell said:

What gear? 6 or 7? I think mine boggs at 106 is about 6th and I still have 4 more gears to go. Sucks

 

I have no idea, it was still climbing, I hit 113 when the limiter kicked in once before.

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Supercup Enthusiast

Supercup

Posted
Posted (edited)
On 5/7/2020 at 3:13 PM, HapaTrailBoss said:

Damn I had no idea you guys were over 100. I'm governed to 98.

Must be a Trail Boss - AT4 thing - my AT4 at 98 as well (which was done off hwy of course).  Guess when they add 2" of lift they drop 10 mph!  My 2014 Raptor was limited at 106. 

Edited by Supercup
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