Those 300 sixes were very torquey. In the bottom end.
Ford 300 cid (4.9L) Straight 6 Specs Engine:Ford 300 inline 6, later 4.9L I-6
Fuel System: Varies w/ model year
Engine Oil Capacity: 5 qts w/ filter
Peak Horsepower: 101 - 150 hp (see table below)
Peak Torque: 223 - 283 lb-ft (see table below)