That's exciting Dave, I'm eagerly awaiting the results of your WI experiments.
BTW: check out my latest update to Rusty's site--something happened, but damn If I can figure out what exactly produced the results I recorded. Casey Biodiesel: '87 300TD intercooler (206k) '84 300D (202k) Gasser: '89 Vanagon Wolfsburg Edition (184k) Olympia, WA