1977 show cars, goofy? Hell yes, but this one Barris built "Dick Tracy Kop Ter Rod" is Inspector Gadgetish

found on http://thekevinchen.wordpress.com/page/4 but originates from http://www.flickr.com/photos/cosmolutz/with/7463535614/#photo_7463535614 I think. Cosmo has a good gallery of the goofyness