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My father an I are thinking of an engine swap in an older e series BMW he has. An aluminum Chevy V-8 weighs nearly 100lbs less than the factory I-4. The theory Is an over Powered car kind of like the new corvette which at speed gets nearly 30MPG. A 400HP engine turning @ 900RPM. The idea is do this in a smaller car with taller gears.
Which inevitably would possibly lead to better fuel economy....
So, Mod for Power for economy. YES!
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