Let's define "small-block" so no one will get mad (people will still get mad). General Motors may call the Gen-III to Gen-V LS and LT V8s "small-blocks" in marketing materials, but even Chevrolet's ...
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.