i bought the hose at home depot, it is called "Watts Clear Vinyl Tubing, it is 1/4 inch diameter, which is very close to the line on my car (1997 V6) it was probably $2 for alot of it, more than needed, i used this page for help, you've probably seen it
http://www.contour.org/mods/mods.php?s=howto&displayid=43 
