One-of-a-kind 1913 prototype Bullock Creeping Grip crawler tractor with its rare Heer opposed-piston engine gets cranking.
The GM Gen 6 Small Block is a family of gasoline eight cylinder engines produced by General Motors Company for use in various vehicles, including sports cars, pickup trucks, SUVs and possibly vans.
The inline-six engine was once the default choice for many manufacturers. Here are some that deserve to be remembered.