rear turnbuckle lengths question

[redtyson]

Can any body explain what happens to the car if the turnbuckle is longer or shorter.and what conditions will thay be used.

[K-Brewer]

http://i1078.photobucket.com/albums/w500/Brewskie24/Mobile%20Uploads/Screenshot_2015-07-11-21-28-41_1.png (http://s1078.photobucket.com/user/Brewskie24/media/Mobile%20Uploads/Screenshot_2015-07-11-21-28-41_1.png.html)