Quote:
Originally Posted by oil pan 4
I was watching history channel, modern marvels: "Aluminum".
They had a GM engineer (who had an engineering PH.P) says that "a 10% reduction of mass gives you an 8% boost to fuel economy".
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I took a little over 200 lbs, maybe 220, out of my car with curb weight 2262. I'm really confident it is a significant part of the reason I get 60-65mpg. Who knows how much. But I continue to be amazed that this simple 98 Civic DX will return 70-80 mpgs on the instant readout cruising steady at 55mph. It does not have lean burn, and it is significantly but not radically aeromodded.