I purchased an aluminum 15 gallon fuel tank on Ebay. It was a quality built unit and fit the space in my chassis that I had. It came with a 0-90 ohm sender unit installed. My VDO fuel gauge required a 10-180 ohm sender. So I replaced the sender with a VDO 10-180 ohm adjustable unit so solve my problem. Instructions can be found at:
https://www.vdo-gauges.com/media/instructions/0%20515%20010%20169%20--%20Fuel%20Level%20Sender.pdfThe instructions tell you how to adjust the sender for tanks that are from 6" to 23" deep.
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