Buick Made the Torquiest Muscle Car of 1970 — Then Buried It Under a Quiet Badge and an Automatic by Jack Harmon Only about 3,097 Buicks got the 455 Stage 1 engine in 1970, and its 510 lb-ft of torque beat every Hemi and LS6 on the street. So why does nobody count it? The answer is sitting in a Chicago driveway, painted gold, with an automatic behind it.