Holley 1920 PV/Economizer No Workie...
no its kinda a strange thing... ok so the brown/red lever is the fulcrum that pushes on the PV system. not in the pic is the vacuum side of it. when the far right side of the arm is up then the PV is off or high enough vacuum. if its pushed down or on, low vac and needs fuel.
no its kinda a strange thing... ok so the brown/red lever is the fulcrum that pushes on the PV system. not in the pic is the vacuum side of it. when the far right side of the arm is up then the PV is off or high enough vacuum. if its pushed down or on, low vac and needs fuel.