Yeah I heard the spectra tanks use to do that. I also heard they made a new version of that same tank.You can use one from a mid '90s B Body (Impala, Caprice, Roadmaster, etc.), and the wagons hold a few more gallons. Factory tanks were plastic, aftermarket ones are steel, and you'd need the straps from the donor car as well. I haven't purchased a new tank yet so I can't comment on the quality of what's available, but if I recall it was the Spectra tanks that puked on your shoes...
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