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Old 06-09-2022, 05:46 PM   #9 (permalink)
mpgmike
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Join Date: Jan 2022
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Reminds me of a historical piece, the Shell Oil 1959 Opel Rekord which Shell claimed achieved 376.59 MPG!!! The engine was a 4-cylinder with heavy spray-on insulation. Here are a couple links:

https://www.hemmings.com/stories/200...opel-uncovered



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