i was talking with a mate from germany the other day and he was sayin the best way to go is 1.8 t seat motor and use the blower off the new new tt as it is bolt on ,no need fo manifold change or nowt mayby worth investigating mate
your fuse shouldnt blow for no reason,check the wires from the lamp across the chassis rail,coz if the air box is a bit loose it can bang up and down on the loom an damage the wires causing it to go to earth and blow ur fuse