well, I just ressurected that half alive pedal set(allthough the range of the axis is still 10-50%, but thanks to LFS to be able to set it correctly) , and...learnt heel-toe!
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Was way easier than I thought! Allthough I use it only in road cars, its a fantastic feeling to control every single movement of the car.
The way I learnt it was a bit diffirent tho. To start of I 've just spent about 2 mins repeating the movements with my legs while the car was standing still. Then I grabbed RB4, went on AS National and in 4 laps I've started doing quite accurate rev matches
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Feels great!