Thanks to Doug Hammer for taking the time to scan these for us!
Here is a link to the 1970 Challenger section;
http://www.hamtramck-historical.com/dea ... k-05.shtml
You can view the Scat Pack information or the other 1970 Dodge models by clicking on the section you want to see in the top menu.
1973 Challenger section;
http://www.hamtramck-historical.com/dea ... k-04.shtml
The 1968 Dodge Data Book is available as well and more will be added as time goes on.
Enjoy!
Barry