Seth---You can rig up something at the K&N filter housings to accept
hoses that need to vent, preferably after the filter element, as Bill
suggests. So far as the vacuum source that's needed to operate the
carbon canister, I don't know if you can tap the Webers to give the same
draw as the ZS'. It may be a good idea to connect a vacuum gauge to the
ZS port(s) to see how many inches of vacuum is available, and at the
different rpms, if you're still able to do so. Compare this to what the
Webers can give. The last thing you want is to upset the way the Webers
are to be tuned.
There must be others on the list who have gone down the same path that
you are attempting. If any have successfully adapted these particular
Webers AND were able to also use the carbon canister, hopefully they
will be listening.
Dick
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