Do any of you experience something disengaging in a MT transmission around 1.1-1.2K rpm when slowing down from higher speeds? I noticed that when I drive let's say 40MPH in 4th gear and slow to a traffic stop, when the rpms drop to around 1.1-1.2K rpm, I can feel something in the transmission disengaging. It's noticable because the car kinda lurches forward a bit. Anyone know what this is? TIA.