Originally Posted by 75GMCman
Did you unhook the PCV from back of the carb cuz I had the same carb as you and the rear port of the Q-jet is for the brake booster not pcv! On your carb there should be a little steel tube sticking out the front in the center of the carb near the bottom. Having the the PCV in the rear of your carb is just like sticking your PCV hose right at your intake port of your cylinder heads! No wonder it sucked your finger!
Just to clarify. It does not matter if the PCV is at the front or back carb fitting. BOTH of them draw from UNDER the throttle blades directly from manifold vacuum.