Typical Focus ST LC settings are something like this: 2,750, 3,000, 3,250, 3,500. If you are unsure where to set LC we recommend setting the values at least 250RPM apart. Focus ST customers with map switching have the luxury of selecting up to four different LC settings. Most of our customers set this between 2500 – 4000 RPM. Where you set launch control will affect how much wheel spin you get off the line. Launch Control: When activated this limiter is always on at speeds below the LC/FFS threshold, it works by holding the engine at your predetermined RPM via a fuel cut. It can be changed from these values if need be and this can be discussed with your tuner.Ģ. This limiter is generally set at 6700 RPM for the MazdaSpeed vehicles and 7200 for the Focus ST. Primary Rev Limit: This is the maximum allowable engine speed.
Below the speed threshold (typically 6 MPH) the LC limiter is activated and above the threshold the FFS limiter switches on when both the clutch and accelerator are depressed at the same time.ġ.
The LC and FFS limiters are interconnected via a speed threshold. The primary rev limit is the same as that which comes from the factory and is designed to prevent your engine from over-rev damage. The Ford Focus ST and Mazdaspeed vehicles feature 3 fuel cut rev limiters. Hopefully this article can clear some of the ambiguities. We get a lot of questions regarding the Launch Control (LC) and Flat Foot Shift (FFS) functionality on the Ford Focus as well as Mazdaspeed vehicles.
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