3152 fuel injector line ?

[The Jug]

Any tips or tricks to help seal injector lines seal where it meets the pencil injectors? I know its high pressure there so would it be ok or do any good to use pipe sealing compound ?

[Jim B]

The mating surfaces need to be smooth. They go together and tighten without any sealant. Use two wrenches when tightening and loosening so as not the twist the inlet stub on the nozzle.