I'm the guy with the '77 450 SEL (Euro). About a week ago, we spoke of removing entirely the 'auxiliary' fuel return line that had been rigged-up as partt of the epa add-on apparatus.

As you mentioned, if I don't remove the rig nozzle add-ons entirely, they have to be tightly capped at both ends to maintain pressure.

What could best be used to cap those nozzles? Is it OK to have a short segment of hose at each end, and then have them tightly stopped and clamped? Will pressure maintain OK? The nozzles alone are very small and hard to cap off without the hose segments.

Thanks.