A little more on the Dawson TA Mustang here http://www.nzmustang.com/Images/Hist...ars/Dawson.htm
Note from the above link; "A more detailed story of the history of this car can be found in the article by Steven Holmes in issue 154 (Oct 03) of NZ Classic Car Magazine, Page 76" That bloke Holmes seems to know his stuff, so that's probably a pretty definitive history :-) I have it buried here somewhere I think.
Cheers,
Bob.