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I personally cannot sense that the brake is being applied during low-traction situations (went out and turned a couple donuts before posting )...but the the engine rpms decrease.
I hope they keep the ability to turn it off... cause guess what - in mud you need high wheel speed to clean the tires. Faster then me or not, I prefer to do the driving and let the truck listen to me, not the other way around
..at the Portland Auto Show where I asked yesterday one of the people at the Fordvehicles.com information booth. The gentleman explained that the traction control works like a "reverse ABS" system, if it detects a spinning wheel it applies the brake to the spinning wheel therefor slowing it down, using the same "pulsing system" ABS uses to prevent the wheel from locking up. Sounds reasonable to me especially since for $130 MSRP it cant be a very fancy mechanical system. Sounds like it wouldn't hurt to get it.
Thanks everybody fro helping to figure this out,
Myotis
I hate to contradict the Portland Auto Show guy, but the Ford cars and SUVs work that way. The superduties do not brake the wheels for traction control - at least mine doesn't. From a Ford advert blurb:
ALL-NEW 2008 SUPER DUTY CHASSIS PROVIDES INCREASED STRENGTH AND DURABILITY WITH IMPROVED RIDE AND HANDLING
The 2008 Super Duty rides on a refined, stronger chassis.
Every Super Duty frame is now e-coated for improved corrosion protection
All new rear leaf spring suspension design for the F250, F-350 and F-450 pickup improves ride and handling without compromising capability
Class-exclusive patented engine-torque traction control system is more precise than competitors brake-based systems
Patented hydroformed steel front structure creates a strong foundation for engine compartment components. Modular construction eases assembly and delivers a more dimensionally accurate truck
Patented engine-torque traction control delivers precision handling
The 2008 Super Duty is the only vehicle in its class to utilize a sophisticated type of patented engine torque traction control on all diesel models. While most competitors use brakes to manage torque, Super Duty’s state-of-the-art diesel uses engine torque to manage wheel spin. Super Duty’s system computes wheel speed from the differential and reduces torque to match the best traction to the wheels for that terrain. The system works in 4x2 only and offers the option of shutting it off when it’s not needed
“Engine torque traction control is much more precise that brake-controlled traction control,” said Gompper, “because it drives you to the best friction point for tires to surface.”
It is an option for diesels, not standard. It does have an on/off switch when you want to spin your wheels.
I hope they keep the ability to turn it off... cause guess what - in mud you need high wheel speed to clean the tires. Faster then me or not, I prefer to do the driving and let the truck listen to me, not the other way around
kenny
sugar sand is the same,need to blow the powder from under the wheels
only other thing I can say about it is just more crap than can and will go wrong
I have a similar option on my car, and my truck will also have it. It works great when the roads are wet, and traffic is heavy. You learn that you can floor it, and the traction control will get you up to speed with out spinning your wheels or losing control. I just hope it does not fail with out a idiot light. I highly recommend it.
I have a similar option on my car, and my truck will also have it. It works great when the roads are wet, and traffic is heavy. You learn that you can floor it, and the traction control will get you up to speed with out spinning your wheels or losing control. I just hope it does not fail with out a idiot light. I highly recommend it.
and what happends when your tires get caked with snow / mud or sand?
They become slicks and since you dont have the tire RPM to spit out the mud snow or sand, your traction becomes worse
thats my two cents... leave the driving to the driver
well if people are horrible drivers then I guess it may be better
I would rather be in control though and not some computer that was programmed by somebody who likely spends no time in bad weather on the road
and what happends when your tires get caked with snow / mud or sand?
They become slicks and since you dont have the tire RPM to spit out the mud snow or sand, your traction becomes worse
thats my two cents... leave the driving to the driver
well if people are horrible drivers then I guess it may be better
I would rather be in control though and not some computer that was programmed by somebody who likely spends no time in bad weather on the road
kenny
I have had success with the option on a CAR. Not that I floor it in the rain at every opportunity. I have not taken it on sand, and if it snowed I be driving my truck (which is older and not equipped with traction control). So I can't write to your results with slicks. My guess is the computer does not care why the tires are spinning. Like mentioned by others in prior posts; no driver can react faster than the computer and you can always turn it off.
I have it in my RWD Trans Am. I didn't care for it at all. 1) I don't drive the car in bad weather. 2) If I try to spin the tires I always forget to turn it off and look like a fool when it stalls. 3) I pulled onto an exit ramp when it was damp/foggy. It slid out and I counter steered BEFORE the trac cont kicked in. It did, and snapped the car around to the right and right off the road before I could get the wheel back around. I would have been find to steer out of the slide. Fortunately it was a very short curb, no guard rail and leaves and grass on the otherside.
On a FWD car I have liked it, since 1 wheel always wants to spin away. I had a Saturn with and without and definitely preferred with. But they used brake control as well and had an open differential of course. Both the T/A and my Truck have limited slips of some sort so they are different beasts all around.
I had traction control on a VW jetta and it almost killed me a few times.
Scenario 1.
And inch or so of snow.
Stop at the end of my street is on a blind curve. I look, it's clear, try to go, roll out about half way into the road, power is cut, brakes applied. I'm a sitting duck as car comes around corner.
Scenario 2.
Standing water on road as I accelerate. Traction control kicks in, car hydroplanes.
A little wheel spin ould have pumped the water out from under the tires with a lot less drama.
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