Rare case with Shanwan PS3 bluetooth

[virusbcn]

I've got link my ps3 shanwan controller and it works well but... in race games how PS1 Gran Turismo or N64 Mario Kart for example i only go to 20km/h and all the others cpu competitors win me, only 20km/h in Mario Kart 64 and in PS1 GT all the same, with other cable joystick works good   Any help about ????  i'm very surprised about that ¿????

[Substring]

shift gears ? Do these games use triggers and not buttons to accelerate ?