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    1. #1
      Join Date
      Jul 2008
      Posts
      8

      Fuel tank vent problems

      I have a 67 Chevelle with an LS2 in it. I have a Rock Valley stainless tank with the Walbro internal fule pump and I have problems with fuel coming out the tank vent. When I first got the car running I used the factory vent tube that goes up into the trunk and I thought that might be the problem so I bought as small breather from O'Reilly and put it above the tank, but I still have the same problem. The puzzeling thing is it normally does when the tank is about 3/4 full. It's like something is pressurizing the tank to force the fuel out the vent. I have Russell braided fuels lines from the tank the engine for my main feed and return. Has anyone had similar issues with a setup like this?






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