 The 223 CID (3.7 L) "OHV" Straight-6 continued, now with 144 hp (107 kW).The V8 lineup included a 272 CID (4.5 L) "Y-block" making 190 hp (142 kW), a 292 CID (4.8 L) "Thunderbird" version making 212 hp (158 kW), a 312 cubic inch V8 making 245 HP and a supercharged 312 CID (5.1 L) "Thunderbird Special" making , and designated "Police Interceptor" on the glove box.Two dual 4 barrel versions of the naturally aspirated (non-supercharged) 312 cubic inch V8 rated at 270 and 285 HP were available.