Neat GM timeline website but lack of our cars

[Little6pack]

http://www.gm.com/company/corp_info/history/gmhis1970.html
&
http://www.gm.com/company/corp_info/history/gmhis1980.html

 

[zeus87gn]

Well, the Powermaster was mentioned in 1984.

 

[Randy Greenoe]

Well, the Powermaster was mentioned in 1984.

Guys are still talking about them today! They refer to them as "That G. D. Powermaster"

 

[turbofish38]

Well, the Powermaster was mentioned in 1984.

I'm still trying to figure out the "fuel saving" description of the PM. How much fuel was used to create vacuum for the NA booster and how many extra MPG did a TR get by using a PM?