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Old 02-06-2019, 05:42 PM   #1
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Eliminating Traction Control/RSC?

2010 E350

I done some online search but only found an old thread on EP that basically said that Action Vans had a system to fool the RSC but didn't look like it shut off the traction control. I re geared my van and now I want to add a Tru-Trak posi but I can't run it if the traction control and RSC are activated. I have no interest in pulling the fuse because I don't want to stare at all the lights on the dash.

Any modern breakthroughs over the last couple years?

TIA
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Old 02-06-2019, 06:28 PM   #2
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Why can't you run the tru-trac? Factory limited slip with RSC was an option on the E-series.
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Old 02-06-2019, 08:17 PM   #3
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Quote:
Originally Posted by carringb View Post
Why can't you run the tru-trac? Factory limited slip with RSC was an option on the E-series.
My dana 60 is an open diff.
I assume the traction control works by applying brake pressure to the rear tire that is slipping, by adding a LSD I would think that would be a conflict causing the system to lock the brakes harder.
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Old 02-14-2019, 12:42 AM   #4
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Quote:
Originally Posted by carringb View Post
Why can't you run the tru-trac? Factory limited slip with RSC was an option on the E-series.
I tried to get the tru-trac on my 2009 e350, but found out its not available with the semifloat dana 60s. had to go with the trak-lok posi.
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Old 02-14-2019, 06:20 AM   #5
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Quote:
Originally Posted by winmag4582001 View Post
My dana 60 is an open diff.
I assume the traction control works by applying brake pressure to the rear tire that is slipping, by adding a LSD I would think that would be a conflict causing the system to lock the brakes harder.
The traction control can help in some situations. Even torsen diffs like the Tru Trac can be rendered useless if one wheel has zero traction. Some torque has to be transmitted to make the unit work, as it still has a torque bias ratio. The traction control applying one brake will be just enough to engage the unit. Without traction control, you could apply the parking brake to attempt raise the torque going through the spinning wheel, but this doesn't always work. Individual wheel braking will be far me effective in this situation.
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Old 02-26-2019, 08:16 PM   #6
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Originally Posted by carringb View Post
The traction control can help in some situations. Even torsen diffs like the Tru Trac can be rendered useless if one wheel has zero traction. Some torque has to be transmitted to make the unit work, as it still has a torque bias ratio. The traction control applying one brake will be just enough to engage the unit. Without traction control, you could apply the parking brake to attempt raise the torque going through the spinning wheel, but this doesn't always work. Individual wheel braking will be far me effective in this situation.
I guess what I'm asking is: has anybody with Traction Control/RSC added a LSD in place of the open diff? If so, did you have to disable the Traction Control when you did it?
The issue I'm having here in the mountains is that on steep inclines in snow/ice, the traction control cuts power and causes me to get stuck. I have chains that I throw on but in 80% of the situations, that could be avoided if I could keep the power and wheel spin going.
FWIW, chains are awesome, but if I could turn off the traction control permanently, I could reduce the amount of times I have to chain up.
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