Quote Originally Posted by FFRSpec72 View Post
I hope I could just use Michie3 oil filler tube cap that I already have http://zerodecibelmotorsports.com/pr...-tube-and-cap/ since it is aluminum and has a threaded cap, should provide a good seal
That should work. Or get Mechie to thread the tube so you can screw the Peterson Regulator right into it.

Peterson Vacuum Regulator.jpg