TimTaylor751647545500 Posted August 8, 2016 Report Share Posted August 8, 2016 Some background, the fuel sending unit is bad on the Olds, so I never know how much is in the tank. It has a 17 gallon tank and after driving about 85-95 miles, we ran out of gas. Thankfully Trey now lives in town and brought his gas can. Get to Sunoco and can only put ~8 gallons in the tank before it overflows out of the filler neck. I've just ordered a new tank & sending unit from OPGI, but am really puzzled by the current situation. Any ideas? Quote Link to comment Share on other sites More sharing options...
Rocky31186 Posted August 8, 2016 Report Share Posted August 8, 2016 Drugs Quote Link to comment Share on other sites More sharing options...
Geeto67 Posted August 8, 2016 Report Share Posted August 8, 2016 The vents blocked. When you opened the gas cap did it hiss at you? The problem with GM A-bodies is that they went back and forth between separate vent for the tank and caps with vents. What's worse is in the aftermarket the just made one cap that fit all tanks since the tank cap opening didn't change, just whether the tank caps had a vent or not. Some years had this really funny looking piping in the trunk for the vent that could be easily damaged and had enough curves that it could block up over time. Quote Link to comment Share on other sites More sharing options...
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