I'm installing a DiPricol boost gage on my 6.5 GM. The 1/8" OD tubing kit is also a DiPricol for oil & air pressure gages. The kit comes with brass compression fittings of some sort, but I can't for the life of me see how they're supposed to hold the tubing in place. There's no compression ring around the tubing, like you see on plumbing compression fittings, to hold the tubing inside the fitting.


What the heck?http://www.dieselplace.com/forum/smileys/Confused.gif