The "East of the Mississippi EAA Confrence" would be a great place to see modded electric cars for yourself, and meet people who have converted, and it's happening pretty close to you (Hagerstown, MD). The link is here:
East EAA Conference
And here's a link to a book by a local Maryland author about electric cars... although it's more about their history and advantages then how to convert:
Two Cents Per Mile by Nevres Cefo