Fuel guage with braided line

[1badbuford]

Need a fp guage with hose long enough to put on car and check fp while driving. What an size is the rail fitting , - 4 AN?

 

[1badbuford]

Need a fp guage with hose long enough to put on car and check fp while driving. What an size is the rail fitting , - 4 AN?

Found one

 

[Mark E.]

Maybe tape it to the window or something similiar. Having a pressurized fuel hose in my car with me would kind of freak me out. But that is me. My $.02, worth every penny I charge.