Thanks for your comments Chaps!
![:thumbup:](https://madmodder.net/Smileys/default/happy0034.gif)
I've decided to cool the engine using the top up solution.
Also, to dry out by piping air through, from an aquarium pump, for a couple of days afterwards.....
Looks as though the weather has closed me down again.....
![:(](https://madmodder.net/Smileys/default/sad.gif)
Only got a little bit done.
![Roll Eyes ::)](https://madmodder.net/Smileys/default/rolleyes.gif)
The top deck casting was machined barrel shaped, both sides!
![:bang:](https://madmodder.net/Smileys/default/BangHead.gif)
Drawfiled/ emeried .005", from the centre of this side......
![](http://i110.photobucket.com/albums/n95/Dayjo/PC140002.jpg)
And .025" or so, from this side......
![](http://i110.photobucket.com/albums/n95/Dayjo/PC140004.jpg)
Emeried out the rust, from the casting airway bore.....
![](http://i110.photobucket.com/albums/n95/Dayjo/PC140007.jpg)
Fitted the 5/16" tube......
![](http://i110.photobucket.com/albums/n95/Dayjo/PC140009-1.jpg)
Remembered to overlap the joint face area.
So it will butt against the new section of displacer housing, when I mill the new joint face ring.....
![](http://i110.photobucket.com/albums/n95/Dayjo/PC140010.jpg)
Also, roughed out a new 3mm thick cover plate.......
![](http://i110.photobucket.com/albums/n95/Dayjo/PC160005.jpg)
It's snowing like Billy Ho at the moment. Guess it will be some time before any more work gets done.....
![](http://serve.mysmiley.net/sad/sad0122.gif)
David D