Hey Greg I found a couple of links that may work.
These are from Hot Rod magazine:
http://www.hotrod.com/techarticles/m...regulator.html
http://www.hotrod.com/techarticles/m.../photo_22.html
And this I found at Car Craft magazine:
http://www.carcraft.com/techfaq/ccrp...regulator.html
Looks to be real simple to do. Hope this helps.
Rick