Suspect Posted March 13, 2009 Report Share Posted March 13, 2009 My 73 Datsun 620, 4 speed, with a L16 got 30mpg. I dump a gallon and drive to work 34 miles. It had a broke fuel guage and a bad gas tank, couldn't put more that 5 gallons in at a time and I never knew when it was going to run out. My 77 Datsun 620 X Cab, 5 Speed, and 17" all steel 100 spokes got 21 mpg, just checked it today. I'm going to try to keep my foot out of the carb and see if I can get better. Quote Link to comment
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