i made my own fuel pressure gauge from a grease gun hose and a regular liquid filled gauge...must be liqid filled... I'm also shimmed thats why mine is high...I took out the shrader valve and placed in an elbow then a quick connect so i can check it easilly any time i need...all for about 20$... Here are some pics of my set up:
http://photos.thedieselstop.com/showphoto.php?photo=25723&papass=&sort=1&thecat=500
http://photos.thedieselstop.com/showphoto.php?photo=25722&papass=&sort=1&thecat=500
http://photos.thedieselstop.com/showphoto.php?photo=25721&papass=&sort=1&thecat=500
have fun /ubbthreads/images/graemlins/cool.gif
http://photos.thedieselstop.com/showphoto.php?photo=25723&papass=&sort=1&thecat=500
http://photos.thedieselstop.com/showphoto.php?photo=25722&papass=&sort=1&thecat=500
http://photos.thedieselstop.com/showphoto.php?photo=25721&papass=&sort=1&thecat=500
have fun /ubbthreads/images/graemlins/cool.gif