[SOLVED] Change drop down page menu links

Hi, great theme and forum. Thanks!

Atahualpa theme- 3.7.7
WP- 3.4.1
Site: www.vehiclesdefined.com

I would like the drop down page menu titles/links to be the same as the titles in the custom menu labeled "Learn About". As it stands the link titles in the drop down menu are identical to the page title. How can I keep the page title that I currently have and change the drop down menu link?

Any suggestions should consider the same for the two second level pages of "cooling systems" and "body parts"

EX:
Page- http://www.vehiclesdefined.com/home/engines/
Page Title- Engines | Learn How Engines Work. Engine Description & Operation.
Drop down link: Engines | Learn How Engines Work. Engine Description & Operation.
Custom "Learn About" menu link: Engines

The drop down link needs to match Custom "Learn About" menu link. Is this possible? Sorry for overstating the situation. Thanks ahead.