GMT K2xx Trucks General Discussion 2014+ Trucks | General Discussion

First supercharged 2014 6.2l Denali into the 12s

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Old Oct 25, 2014 | 02:35 PM
  #11  
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not to shabby, can't wait to see someone do one on a reg cab
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Old Oct 27, 2014 | 10:14 AM
  #12  
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Boom

Do you think you are leaving much on the table with your stock catback?
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Old Oct 27, 2014 | 05:31 PM
  #13  
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I have the MBRP cat back system on my truck.
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Old Nov 19, 2014 | 06:51 AM
  #14  
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Nice truck!
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Old Nov 20, 2014 | 10:19 AM
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Boom
you launched in 4x4,did you try in AWD? Did you turn off T/C ? I tried launching my stock truck in AWD and it falls on its face major torque managment,didnt try it with T/C off.

In 2x4 it must be near impossible to hook.

Do you have plans to raise boost? or any other mods?
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Old Nov 20, 2014 | 01:15 PM
  #16  
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Originally Posted by gonzo 6.2
Boom
you launched in 4x4,did you try in AWD? Did you turn off T/C ? I tried launching my stock truck in AWD and it falls on its face major torque managment,didnt try it with T/C off.

In 2x4 it must be near impossible to hook.

Do you have plans to raise boost? or any other mods?
If you are referring to the auto setting that is not AWD. Best to launch in 4 high and switch if there are traction problems. Auto will engage and disengage 4 high on its own when it sees something spinning/slipping from what i understand. I could see that being very hard on the transfer case etc.
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Old Nov 20, 2014 | 01:47 PM
  #17  
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I called it AWD but yes AUTO.launched my 2010 all the time in auto,no problem.Is this new truck any different than the 2010? explain why its bad and could you be specific

Are you saying AWDs dont sense slip?

Last edited by gonzo 6.2; Nov 20, 2014 at 01:56 PM.
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Old Nov 20, 2014 | 07:27 PM
  #18  
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Originally Posted by gonzo 6.2
I called it AWD but yes AUTO.launched my 2010 all the time in auto,no problem.Is this new truck any different than the 2010? explain why its bad and could you be specific

Are you saying AWDs dont sense slip?
I am just assuming multiple engage/disengage under hard or full throttle would be harder on parts vs just putting it in 4 high. It will have to engage under some serious pressure if launching full throttle in auto. It would already be engaged before the stress of full throttle if put in 4 high. I am no mechanic but it just makes sense to me. AWD transfer cases and or diffs are slightly different than a traditional 4wd from what I understand. I think these are the same as a 2010.
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Old Nov 20, 2014 | 09:12 PM
  #19  
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I see no problem launching in auto,i think it may go back to 2wheel drive quicker.AWDs like the Astro van has a vicous clutch in the Tcase it applys the percentage of torque needed to the front. transfer cases with auto has a clutch pack that does the same thing..

Any transfer case wizards feel free to speak up. Sorry to Boom for getting off track on his post.
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Old Nov 21, 2014 | 10:34 AM
  #20  
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I launch in 4wd with the TC off.Then switch over to 2wd.i have never tried AWD.
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