posted on February 28, 2016 17:01
If you have been following our series in the transformation of our Fiesta ST from a street car to a race car, we have addressed a lot of the basics involved from getting excess weight within the rules out to building a solid cage, fuel system and safety systems.
In our prior driving of Project Fiesta ST on the track we noted that a lack of limited slip differential was a serious issue. The car wanted to spin its inside front wheel on corner exit but the electronic nannys, namely traction control, stability control and electronic torque vectoring would kick in.
With the stock power levels and tires, this would not be so bad but with stiffer suspension, much higher cornering speeds and more power, the electronics were overwhelmed and the car would do something like a terminal shuttering understeer, not conducive to fast lap times.
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