I had ERA run 1/2" line for me and it wasn't too bad. The flow through a 1/2" line is significantly more than is possible with 3/8". I figured I only want to do this once, so I went with 1/2". My line is aluminum, and I am putting some protective covering in any area subject to road debris.
I used the following mechanical pump on my 482-
http://www.robbmcperformance.com/pro...ordfe1100.html