Vacuum plenum ???
My question is can I eliminate the vacuum "plenum" that is behind the passenger head light ? Or should I plumb this up to the manifold ? This is on a f body camaro BTW.
Also I have eliminated all the vacuum operated emission equipment from the intake manifold.
The only things in the car that need vacuum is...
Boost gauge
Bypass valve
Fuel pump hobbs switch
Meth pump
HV/AC ***** in dash board
Thanks Guys.
Since the HVAC doors are controled by vaccum if you don't keep the canister they will move under WOT. Also you don't want pressure going to them as the need for a check valve





