There are basically 3 types of injectors,the hose and tail type which just
have rubber hose and clamp and are usually held in by a plate that secures
them into a boss.Bosses are available for some of these from holden which are
a screw in type boss for a camira but they dont fit all these types of
injectors.They can also be welded in.Another type is the o-ring type which
has a fuel rail that seals over the injector and usually also clamps them
down.The third type is the side feed where they fit right into the fuel
rail.O-rings should be available from a decent parts place a nd some
performanc places get bosses made up or you could get them machined up
yourself for around $15 each.
  http://www.sdsefi.com/injectors.htm

David Andrews wrote:

> G'day guys,
>
> I'm just wondering if anyone knows where to buy some parts i need for a
> custom instake manifold. Specifically,
>
> - bell mouth's for the runners.
> - injector mounts for the runners
>
> And on a similar note, I'm confused as to how the connection between an
> injector and the fuel rail is sealed. It looks like its just a slip-in
> thing, but how can it seal well enough to handle 70+psi? Is it a rubber
> o-ring which gets squished when you push it in or something? If so, where
> can i get these o-rings, and what should the fuel rail connectors look
> like?
> Thanks,
>
> Dave
>

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