OM606.962 hard starting
OM606.962 hard starting
They were straight threads with an O ring. The instructions are available online and it give you the spec. My return line from my IP teed into the return on the regulator. Since you have an older F150 you have the convenience of a return line too. I used amazon adapters to hook up into my stock GM fuel line which is a 3/8s quick connect. The evap uses a similar connector but in 5/16. My sock on my stock fuel pump remains, I made easy access by cutting a hole in the floor underneath the driver side rear passenger seat in order to remove the sending unit if it gets clogged up.
I have a 1997 F150 outside for reference for other things if you have questions. it is gas with a 4.6