Think my van was a friday afternoon job at holdsworth!1
When they made it they bolted the rock and roll bed ontop of the hose thus soemwhat decreasing the flow rate(funny thing I bet all previous owners thought aw just a bit slow as the vans old )
[img:640:480]http://img241.imageshack.us/img241/776/img5532rf3.jpg[/img]
Anyway repalced the hose at the same time old one was minging