• Gas Dripping From Venturi

    Gas dripping from the venturi can happen on most carburetors, but we will talk about the Mercarb and the Rochester 2 Jet, 2 barrel. The only time gas should come out of the venturi is when you pump the gas throttle. That is when an extra squirt of gas is…

  • Rochester 2 Jet Fuel Percolation

    Throttle Body Venting I ran across some information about some of the 2 jets that deals with the percolation of gas after shutting off the vehicle. We hear about this problem a lot these days because gas now has a lower boiling point. Percolation means that the gas is boiling…