RIGHT PEOPLE IM GETING WHAT SOUNDS LIKE A LOT OF OVER RUN AND A LOT OF BANGING WHEN IM IN GEAR AND REVERSE SEEMS TO HAVE DISSAPEARED BUT THE CLUTCH IS OK?

ANY SUGESTIONS (IM ASSUMING THE BOX IS FUCKED) ALSO DOES THE SERIES 2 BOX FIT A SERIES 1

ALL REPLIES GREATLY APRECIATED LEE