Putting braded lines together with fittings can be a challenge. Strongly suggest looking around the web and checking out the videos of other people doing this. Bunch of tricks to make it easier.
One of the places where I bought fittings <http://www.anplumbing.com/> has some great technical video's that are a must see before trying it yourself.
You might be tempted to use the woven cloth covered lines as I was (light weight) but I ended up blowing a line to my front oil cooler. Ugly. In simple terms they fail as soon as a few strands get cut, which is easy in a teener given where we run lines. even with rubber protection on firewalls.