PDA

View Full Version : Hollley 12-704 Regulator



gcarter
06-13-2015, 10:40 PM
I'm using this regulator in the TR fuel system.
The problem is, it slowly increases pressure to about 9 PSI,
and will not reduce again when the adjusting screw is turned CCW.
Here's a picture taken last fall....

Any knowledge out there on these regulators?