Ecomodder.com added a big boat tail to his Pontiac Firefly to boost its fuel economy and reach 64mpg an increase of 15.1% over factory numbers of 56mpg. And all it took is a heavy-looking big boat tail that almost looks out of date from 1960’s…
Ecomodder.com added a big boat tail to his Pontiac Firefly to boost its fuel economy and reach 64mpg an increase of 15.1% over factory numbers of 56mpg. And all it took is a heavy-looking big boat tail that almost looks out of date from 1960’s…
