Indeed, there is a near endless supply of info about two tank systems and what they are all about at that forum.

We do need to know where you live... to do anything really.

http://biodiesel.infopop.cc/groupee/forums/a/tpc/f/159605551/m/9971078301/r/9971078301#9971078301
At this site you will find my conversion pictures, it showes where the best place to tap for coolant is.

Please feel free to ask questions.