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If running a 4150 tb on a LS1 would you connect the clean air side(front passenger side valve cover}to a breather? I am going to use rear port on tb to connect to a catch can.
With my accufab 4150 and Vic Jr...
driver side valve cover has a filtered breather
passenger side valve cover runs to catch can
LS6 valley port runs to catch can
Clean port of catch can runs to one of the manifold or TB ports