| Keywords | 20130529 antique auto automobile automotive business cap car chrome clean drive dual engine fast fuel hood hot industry land transportation machine mechanical metal motor muscle oil old outdoor part power racing reflection repair shiny show speed sport style transportation vehicle vintage wheel car show car-show classic horsepower hot rod hotrod intake mechanic spark tuning workings | Caption | BOSTON USA MAY 5, 2013: A photograph of Car engine under the open hood free stock image of motor automobile at the Boston auto show on May 5, 2013 in Boston, USA |