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Posted

Has anybody come out with a power programmer for a new body style Sierra Denali with the 6.2 ltr. 10 speed transmission? 

Jim

Posted

Gonna have to hurry up and wait. It's going to be awhile before a tuner is out for these. The pcm is locked up pretty good. I was talking with a buddy of mine about it the other day. They can unlock the pcm but there's no tuning support at the moment.

Posted
Does anyone know how Hennessey is supercharging 2019 silverados without the ability to program the ECM and tranny?

They aren’t .....yet

Posted

I asked black bear performance and they said they are still waiting to see if they can but they don't think so, unfortunately.  Hopefully that's not the case. 

  • 7 months later...
Posted

what about if it's just for the custom trucks ? they seem to be the same engine and trans that was in the 2018 models. 

Posted
The 5.3 w/6 spd auto can be tuned. 5star tuning is who I recommend.
how do I contact them ?

Sent from my SM-N960U using Tapatalk

  • 10 months later...
Posted
On 2/12/2019 at 4:26 PM, 2019_Silverado_HC said:

Does anyone know how Hennessey is supercharging 2019 silverados without the ability to program the ECM and tranny?

they are replacing the PCM entirely I suspect. Just like HP tuners does. They may even be using HP tuners PCM

  • 3 months later...

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