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Old Sep 18, 2015 | 03:28 PM
  #901  
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Originally Posted by warmmilk
^ I disagree with your definition of e-diff

the whole using brakes thing definition for e-diff is car salesman BS to sell cars. equivalent to going to a chevy dealer and the sales guy trying to sell you a cobalt as a "baby corvette"

to me an e-diff is an electronically controlled diff, as in the RS rear diff with the clutches, not using something else to simulate anything.

we had this argument a few pages back and we're obviously still of the same opinion
haha, I'm fine with using a different term. How about "brake assisted traction control"?

I didn't know this was an argument. I thought we where having a discussion?
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Old Sep 18, 2015 | 03:29 PM
  #902  
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e-diff and active diff is the same thing in my book
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Old Sep 18, 2015 | 03:31 PM
  #903  
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Originally Posted by razorlab
haha, I'm fine with using a different term. How about "brake assisted traction control"?

I didn't know this was an argument. I thought we where having a discussion?
arguement/discussion, whatever.. I didn't mean argument as confrontational

but yes, I like BATC better as it calls out the actual system responsible. I don't like using e-diff as the term for BATC because it implies the diff is doing something
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Old Sep 18, 2015 | 03:32 PM
  #904  
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Originally Posted by warmmilk
e-diff and active diff is the same thing in my book
https://en.wikipedia.org/wiki/Electronic_differential

"In automotive engineering the electronic differential is a form of differential, which provides the required torque for each driving wheel and allows different wheel speeds. It is used in place of the mechanical differential in multi-drive systems. When cornering, the inner and outer wheels rotate at different speeds, because the inner wheels describe a smaller turning radius. The electronic differential uses the steering wheel command signal and the motor speed signals to control the power to each wheel so that all wheels are supplied with the torque they need."

https://en.wikipedia.org/wiki/Differ..._differentials

"A relatively new technology is the electronically controlled 'active differential'. An electronic control unit (ECU) uses inputs from multiple sensors, including yaw rate, steering input angle, and lateral acceleration—and adjusts the distribution of torque to compensate for undesirable handling behaviours like understeer. Fully integrated active differentials are used on the Ferrari F430, Mitsubishi Lancer Evolution, and on the rear wheels in the Acura RL."

Either way, I don't really care what it's called. Just what it does.

Last edited by razorlab; Sep 18, 2015 at 03:36 PM.
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Old Sep 18, 2015 | 03:38 PM
  #905  
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Originally Posted by razorlab
https://en.wikipedia.org/wiki/Electronic_differential

"In automotive engineering the electronic differential is a form of differential, which provides the required torque for each driving wheel and allows different wheel speeds. It is used in place of the mechanical differential in multi-drive systems. When cornering, the inner and outer wheels rotate at different speeds, because the inner wheels describe a smaller turning radius. The electronic differential uses the steering wheel command signal and the motor speed signals to control the power to each wheel so that all wheels are supplied with the torque they need."

https://en.wikipedia.org/wiki/Differ..._differentials

"A relatively new technology is the electronically controlled 'active differential'. An electronic control unit (ECU) uses inputs from multiple sensors, including yaw rate, steering input angle, and lateral acceleration—and adjusts the distribution of torque to compensate for undesirable handling behaviours like understeer. Fully integrated active differentials are used on the Ferrari F430, Mitsubishi Lancer Evolution, and on the rear wheels in the Acura RL."

Either way, I don't really care what it's called. Just what it does.
nowhere does it say anything about brakes...
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Old Sep 18, 2015 | 03:42 PM
  #906  
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Originally Posted by warmmilk
nowhere does it say anything about brakes...
But it does say it does NOT use a mechanical diff.

I think I might be done with this semantics show now.

I know how the Fiesta/Focus ST electronic/brake assisted open diff works so I'm good.

Like the McLaren P1, it has an open diff, no mechanical LSD and uses brakes to vector and assist in traction control. So Fiesta ST = mini McLaren P1?


Last edited by razorlab; Sep 18, 2015 at 03:47 PM.
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Old Sep 18, 2015 | 03:49 PM
  #907  
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Originally Posted by razorlab
But it does say it does NOT use a mechanical diff.

I think I might be done with this semantics show now.

I know how the Fiesta/Focus ST electronic/brake assisted open diff works so I'm good.

Like the McLaren P1, it has an open diff, no mechanical LSD and uses brakes to vector and assist in traction control. So Fiesta ST = mini McLaren P1?

haha, checks out with me...
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Old Sep 19, 2015 | 10:34 AM
  #908  
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As much as I like this car I don't think it will be significantly improved enough to justify trading my sub 10K mile 11' MR for, unless it makes crazy power FBO.
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Old Sep 19, 2015 | 10:42 AM
  #909  
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I'm curious how the RS would be superior to the Evo since the cars are conceptually the same.

4 door, AWD and turbocharged.

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Old Sep 19, 2015 | 11:02 AM
  #910  
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Not so much yours, judging from your photo.

I mean the RS has a much nicer interior, is a hatch, and has larger displacement which *should* mean a higher capacity for power. I'm kinda over my dual clutch tranny, I miss shifting even though it is a great transmission.


Originally Posted by golgo13
I'm curious how the RS would be superior to the Evo since the cars are conceptually the same.

4 door, AWD and turbocharged.

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Old Sep 19, 2015 | 11:13 AM
  #911  
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Originally Posted by R3VOLUTION

I mean the RS has a much nicer interior
Have you sat in or driven a Focus ST? That is arguable. I wouldn't say much nicer, that would be a Golf R.

Ford, and pretty much every modern car in this price range do a much better job of being strategic with their interior materials then Mitsu had in 2008.

My Fiesta ST feels a little bit better interior wise than my Evo 10. It's basically the same materials overall, just used in different ways. It's also a car that costs almost half the price of my Evo 10. :-/
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Old Sep 19, 2015 | 11:28 AM
  #912  
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Agree with Razorlab. However, the Focus ST I rode in was much quieter on the inside than any Evo I've ridden in.


I wanted one for my daily, but couldn't justify the extra $5k over what I paid for the civic at the time.
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Old Sep 19, 2015 | 01:01 PM
  #913  
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Originally Posted by golgo13
I'm curious how the RS would be superior to the Evo since the cars are conceptually the same.

4 door, AWD and turbocharged.
Well for one, the Evo won't be made anymore. That is one big plus for the RS.

Presumably it will also have better performance (stock v stock) and better mpg. Maybe it will even have a warranty that gets honored.
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Old Sep 19, 2015 | 01:04 PM
  #914  
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Hmmm. Interesting.
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Old Sep 19, 2015 | 01:12 PM
  #915  
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Originally Posted by nemsin
Well for one, the Evo won't be made anymore. That is one big plus for the RS.

Presumably it will also have better performance (stock v stock) and better mpg. Maybe it will even have a warranty that gets honored.
If you do any ECU programming, I can tell you for sure the engine warratny will be done. Ford is pretty hard core about that with all of their vehicles. A blown engine usually gets a Ford engineer called out to the dealer to determine the liability. So it's typically not even the dealer's decision, its someone at Ford corporate. And I'm sure in a vehicle like the RS, they'll use power mods as an excuse to void drivetrain warranty.


However, with the way the car is being marketed, if you're autocrossing it in stock form, it would be pretty ****ty for ford to not honor the warranty.
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