it all depends on a number of things....ENTIRE BOOKS have been written, devoted to this very question.....
link length, link position, vertical seperations, roll centers, roll axis, anti squat.....BLAH BLAH BLAH are all things that you need to at least half-understand in order to allow you to dial in what you need for your project....
i suggest you read two threads on POR......
beware, there is a lot of bullshit to wade through, and it will be hard to know who is full of shit or not, regardless, very good information from several screennames. Look for
"god of suspension"
and
"link suspension for dummies".......
tons of books on the subject, i bought three titles, all three were a waste of money.....the Miliken book is supposed to be the one to get, which i didn't.