 The 226 CID (3.7 L) "L-head" straight-6 was replaced by an overhead valve 215 CID (3.5 L) "Mileage Maker" with 101 hp (75 kW), while the old 239 CID (3.9 L) "Flathead" V8 remained with 110 hp (82 kW).This design would continue through the 1954 model year, with an updated design offered in 1955.The model lines were again reshuffled, with the base model now called "Mainline" and mid-level called "Customline".