the real electric supercharger
Yes. Both clutched and geared multispeed, starting about 1930.
http://en.wikipedia.org/wiki/Pratt_%26_Whitney_R-2800
http://en.wikipedia.org/wiki/Pratt_%26_Whitney_R-2800
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yurcivicsux
Series I Major Horsepower Upgrades
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Sep 12, 2017 10:54 PM




