Apparently on a NA engine they connect to the intake vacuum,
just below the
throttle body. This is not what I would expect, but as you describe on
the
turbo is exactly what I would expect.
I had a couple of off-line replies that indicated that Atkins
only uses the
nozzles in the rotor housings and that he just has the tip of the
nozzles
capped off

Another way is to cut off the little connectors and close the hole with
JB weld.

Al Gietzen