Quote:
Originally Posted by Treeve
My guess here would be there are at least two factors combining to modify the operation of TCS.
% difference of wheel speed will be a lot lower at higher speeds than lower speeds when you lose traction. Traction control is of more value at higher speeds (it's not there to give you a good launch, it's a safety system). With the same wheelbase, going around a corner at the same speed as the donor vehicle will give a greater % diff across your wheels. TCS will be designed to cut in before you lose significant amounts of traction, i.e. it will be programmed conservatively. This is probably what is tripping you up.
You'll need to do some data logging in an original donor and your car though to know what the differences are, and you'll have to trigger TCS at lots of different speeds to get a good idea for how Ford programmed it in the first place (per Sideshow's suggestion).
Can you live with it?
Treeve
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Treeve,
"Can I live with it" I am turning off the traction control every time I start car, occasionally I forget to turn it off, remember when it comes on when I am going around a corner or bend in the road.
I think I will unplug a wheel speed senor. This will leave the TC locked out, but I don't know what the loss of signal from the unplugged sensor will cause.
I was told today that the software the tuners use to flash tune your car is capable of altering the wheel in size information and save it to the ecu. Another avenue to chase up.
If this is a dead end, I might have to look at Sideshows or Aussie Mike's suggetions.
Warren