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Topic Review (Newest First)
03-26-2012 09:31 PM
Originally Posted by 4d4jacklee View Post
I would love to be able to turn the ESC and TCS off, and run the car, but Ford doesn't offer that option on the S model. Definite downer!
Ford may not offer the ability to turn off TCS on the 2012 S model...(and DOES on the SE, SEL, and Titanium) -- but I would argue - of more significance - Ford does NOT offer the turning-off (or even the toning-down) of ESC on any of the '12 Focus'.

Ford may not offer it, but I don't want to let that stop me.

Now if you are doing a DE day, and if you are modding your car by changing springs, struts or shocks, anti-swaybars, bushings, etc.. you want to be the individual in charge of the suspension tuning... not the ESC system (that's just my opinion).

So, there has to be a way of foiling the system, and I would say - not for wanton, every day use, but rather, for use during DE events, possibly for use in slalom events, and (in inclement weather -- specifically glare ice) solely for getting-going, on glare-ice. Once going, in lousy weather, of course it's a boon to have the ESC active... I WOULD want the ESC, particularly, (the TCS, meh...) in the active - on position - for almost all of the time. You could make all of those mods to the car, and it'd undoubtedly handle better than stock --- and still could tolerate having the ESC active... .but for a DE day, when you are purposely testing the limits... then it'd shut you down... Not so, if it isn't present.

I'll be darned if I DON'T figure out how to do this!
03-26-2012 07:25 PM
4d4jacklee I would love to be able to turn the ESC and TCS off, and run the car, but Ford doesn't offer that option on the S model. Definite downer!
03-23-2012 12:39 AM
Eurofordfan Jack, you probably need to reduce the understeer a bit. I'll bet the ESC is playing a role... and that more rear roll stiffness will be counteracted by the ESC.

I have learned that I can (temporarily) disable the three systems -- ESC, TCS, and ABS (but keep the electronic brake force distribution intact.... i.e. the rear wheel brake proportioning) if I cause just the ABS logic module to fault. That means that I would turn the car, on a switched-in and switched-off basis -- to a car without ABS, TCS or ESC... but with proper rear wheel brake proportioning. I suspect that this would be OK, for the ocasional DE day / track event.

The four individual wheel ABS sensors / tone rings have to remain operable, and the two (?) Hydraulic Control Unit (HCU) solenoids have to remain functional. But the ABS logic module has to fault.

I suspect that I could have the Printed Circuit Board (if this is easily accessible?) modified, so that I can introduce a break in one or several printed circuit tracks...and lead that same break... out of the unit in the form of insulated wires, to a switch (that is made electronically clean, using some kind of voltage spike quelling circuitry... a capacitor or??).

This would constitute a systems on or systems off switch.

Then, I could add-in the amount of front versus back roll stiffness that I desired... and thusly could tune the suspension... without the ESC system intervening. Remember, if the ESC intervenes, it can leave you with a momentary loss of power...

As well, the TCS would be my right foot... not the electronic nanny.

Ideas, anybody? ... but please, please ABS zealots need not preach on the ills of not having ABS under these circumstances... What did people do before ABS was invented? Would those strong ABS advocates NOT buy a classic car (without ABS)? I, for one, would never buy a new or newish car without ABS... but as for TCS and ESC that is not cancellable... I have a problem!
03-16-2012 06:58 PM
4d4jacklee Thanks, it was a gas. I'm working towards a wheel, tire and suspension upgrade, and hopefully push up a little higher in the finishing order!
03-15-2012 04:19 PM
jem0473 Awesome, glad to hear you had a good time! Some of the locals will be out there March 24 and April 15 for the track events with ES.
03-05-2012 06:33 PM
4d4jacklee Hi Tyler T- No, that wasn't me. I probably won't go out again until I can do something performance wise to the car. I'd like to go back to Horse-thief mile again. It's such a tight track, that I think a good handling car has a better chance against cars with more power.
03-05-2012 02:33 AM
Tyler T jacklee - were you out at Auto Club Speedway this weekend? I saw a gray Mk3 on track.
03-01-2012 01:39 AM
Evans Precision thank you thats intense
i am next!!!
02-29-2012 08:01 PM
4d4jacklee Like ViperThreat says, you're either accelerating, braking, shifting, or pushing through a turn as fast as you can go. It's definitely a strain on the drive-train,, suspension, brakes and tires, especially the front tires!
02-29-2012 07:57 AM
ViperThreat ^ He means that its hard on your car. Im sure that I took easily 10,000 miles off the life of my car last time i went. Keeping the revs up, tires screaming, etc.. Its not exacly something you want to do to your car every day.
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