The base engine was Chrysler's trusty 225 cubic inch Slant-Six making 145 horsepower and 215 lb-ft of torque. This lean inline-six design provided eager performance along with reasonable fuel economy.

The Duster was an even bigger hit than the Valiant. With 217,192 units delivered, it was Plymouth's best-selling model in ...

The rig in question is a 1980 Dodge D150 with the 225-cubic-inch power plant. In case you’re unfamiliar with the slant-six, it’s essentially an inline engine that’s leaned 30 degrees to the ...