1982 ground effect Indy car.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...1_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...ffect_car1.jpg
https://diqn32j8nouaz.cloudfront.net...ffect_car2.jpg
https://diqn32j8nouaz.cloudfront.net...ffect_car3.jpg
More: https://en.wikipedia.org/wiki/Ground_effect_(cars)
Previously:
https://www.homemadetools.net/forum/...4574#post80178
https://www.homemadetools.net/forum/...832#post144235
https://www.homemadetools.net/forum/...4612#post80241
