In the members area - Westsail FAQ you will fine a blog on the modification.
http://www.westsail.org/westsailFAQ?mode=MessageList&eid=513865&tpg=2
here is a short cut...
I'll be pulling together a pictorial/article about the modifications - and also going with Randy and Duke from Stockton to SF on Sunday 5/6...
Jay
The URL you provided does not work for me. Maybe others are having the same problem?
T.