Don - not too different then what I did though with the '30-'31 I didn't have to carve quite as much header away. I originally had a black Speedway when my $$ Mighty Wiper went up in smoke and while it worked just fine, really wanted the much smaller Mighty there. I ended up doing a full disassembly and repair to fix a stop and a broken wire. This is how I mounted mine, using a Speedway manual mount adapted to the electric wiper.


Doing the rewire:



I'll have to find the header photos or take new, but it really is about the same and there is a post somewhere here that "tells" more