Ecoboost Performance Forum

Ecoboost Performance => General Discussion => Topic started by: 402Sho on May 25, 2020, 06:29:14 PM

Title: Transfer case torque limit
Post by: 402Sho on May 25, 2020, 06:29:14 PM
My tuner just noticed that I was hitting my transfer case torque limit and I'm wondering how I could try to get rid of that, I have brand new tires and fresh trans fluid change and my 2010 sho only has 15k miles, do you think it would be the ptu and rdu fluid needing to be changed, I'm just very confused it's been 6 weeks tuned and I'm still only on revision three I'm really looking for some help
Title: Re: Transfer case torque limit
Post by: SHOdded on May 25, 2020, 06:47:47 PM
Have not heard of a transfer case torque  limit, but clean fluid is a great start to finding out.  Recommend Redline Lightweight Shockproof or Amsoil Severe Gear.
Title: Re: Transfer case torque limit
Post by: FoMoCoSHO on May 25, 2020, 09:44:56 PM
Who is your tuner?

Title: Re: Transfer case torque limit
Post by: GhostlyGrenade on May 26, 2020, 07:44:51 AM
Tuner just needs to raise the limits.
Title: Re: Transfer case torque limit
Post by: StealBlueSho on May 26, 2020, 10:20:54 AM
Quote from: 402Sho on May 25, 2020, 06:29:14 PM
My tuner just noticed that I was hitting my transfer case torque limit and I'm wondering how I could try to get rid of that, I have brand new tires and fresh trans fluid change and my 2010 sho only has 15k miles, do you think it would be the ptu and rdu fluid needing to be changed, I'm just very confused it's been 6 weeks tuned and I'm still only on revision three I'm really looking for some help

This is 100% in the tune... are you getting Torque Source 15? Who is tuning your SHO?
Title: Re: Transfer case torque limit
Post by: Twintrbskies on May 27, 2020, 12:43:07 AM
Quote from: 402Sho on May 25, 2020, 06:29:14 PM
My tuner just noticed that I was hitting my transfer case torque limit and I'm wondering how I could try to get rid of that, I have brand new tires and fresh trans fluid change and my 2010 sho only has 15k miles, do you think it would be the ptu and rdu fluid needing to be changed, I'm just very confused it's been 6 weeks tuned and I'm still only on revision three I'm really looking for some help

I got the same comment for my 2010 before. Only one tuner says that - that i have heard. I will probably get flamed for saying this of course (sorry in advance) but its just like the other tuners get hammered about concern on fuel pressures. Its definitely able to be raised in the tune. Just know that whatever adjustment they make on the torque limits can potentially damage parts in the future.

Sorry for anyone who disagrees. No disrespect.
Title: Re: Transfer case torque limit
Post by: FiveLeeter918 on May 29, 2020, 01:30:06 AM
are you getting Torque Source 15 on launch or Torque Source 18 on shifts?

18 is remedited by raising the torque limits and will not affect the throttle closure to mitigate boost spikes.

15 I would recommend learning out to launch at a lower rpm to prevent, as it's really there to prevent the shock on launch. It doesn't seem to affect overall performance just throttles torque until the tires are moving.
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