duration @.050

I am looking for the duration @.050 of the old camcraft cam that was used
In the D/stock dart in. The 66 273. Can anyone help me out on this?

From what I have read, it was 284 @ .050.

Here is the TSB for the D/Dart from 1966.
[ame="http://www.seriousviewers.com/D-Dart/Technical%20Service%20Bulletin.pdf"]http://www.seriousviewers.com/D-Dart/Technical%20Service%20Bulletin.pdf[/ame]


Here is any further info for the D/Dart you might need.
http://www.seriousviewers.com/D-Dart/ddart.htm