hey are you putting a puma engine init iv done a 1.25 to 1.6 that was easy just unbolt and bolt on not to sure about the 1.7 dont even think it can be done with out making a home made wireing loom and moding the throtal pedal as the 1.7 is cable and the 1.25 mk6 is a fly by wire

its been done loads to the mk5 which is pre 2001 but not sure about 2002 to 2008

sorry if this dosent help much