Just rounding 3rd base on my EFI conversion and looking for some details that I can't find much about. K-jet has fixed orifice restrictors on both PCV and the Vapor Canister inlets to the cold start tube.

-For PCV I think this is so the system can maintain CO without considering any dynamic changes a true PCV valve would present.
-For the vapor canister, this looks like it was for the same reason AND to limit the total amount of vapor purge.

I'm wondering if others have maintained the fixed orifice for the vapor canister or not. I've shortened the cold start tube and installed a 3/8" ID fitting, so the same port can act as both PCV and vapor purge to distribute fumes evenly across the engine. I have PCV squared away but don't want to plumb vapor recovery in a way that's detrimental to the fuel system. Unfortunately vapor recovery best practices seem to be strongly in the OEM domain and most enthusiast forums talk mainly of VC deletion.