Paul, this rubber piece seals the injector against the inj. socket. I don't
think you can do without it?
bulent

That is the function of the O ring.

Paul Lamar

The O ring is at the top. On the bottom end is that "doughnut" that you want
removed. I wanted it removed too on your runners, but there is nothing to
seal the bottom end of the injector. I would like my inj. Sticking further
in the tube.
Bulent

You need to replace that with an O ring on the bottom. Jerry is talking
about something else. The right size for the bottom is around .35 inch
diameter with a about .093 inch section diameter. The top O-ring
that seals the fuel rail is .3 diameter with a .063 section diameter.

For the design I just completed for Jerry the O ring that seals the injector
to the plenum is .625 diameter with a .093 section diameter.

Paul Lamar
 
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