CORVETTE REAR AXLE IDENTIFICATION V1B Axle Identiiication is stamped on differential carrier alorg with date of manufacture Plant Plant Type identification Type Identification 1955 58 3 oaed or 4 Speed w Metallic makes 3 70 ratio 4f FJ gspnq Al 1 3 peed or 4Spead w Positraction and pgwergndp A AE Metallic Brakes 3 70 ratio FK 3 Soeed w 3 27 ratio AD 35pMd or 4 Sp d w Fositractian and 35 4 W 4 11 rgtiq AJ Metallic Brakes 4 11 ratio FL 3 Soeed w Positraetion 3 70 ratio AN 3 Speed or 4 peed w Positraction and 35peed w Fositraction 4 11 ratio AP Metallic Brakes 4 56 ratio FM 3Speed vv Positraction 4 56 ratio AG Heavy Duty Brake Suspension w Positraction 3 70 ratio AS Heavy Duty Brake Suspension 1961 w Positraction 4 11 ratio AT Heavy Duty Brake Suspension vv Positraction 4 55 ratio AU 35pwd 3 35 ratio AC Powerglide 3 55 ratio J AE 45peed 3 70 Ratio AH Positraction 3 70 ratio AN Positraction 4 11 ratio AP 1959 Positraction 4 55 ratio AG Positraction 3 36 ratio AF Positrection w H D Brake Susp 3 70 ratio AS 3Speed or 4 Speed AH Positraction w H D BrakelSuS i Powerglide AE 4 11 ratio y AT 3 or 4 Speed w Potitraction 3 70 ratio AN Posirraction w H D Brake SusP 3 or 4 Speed w Positraetion 4 11 ratio AP 4 56 ratio AU 3 or 4 Speed va Positraction 4 56 ratio AO Metallic Brakes 3 70 ratio FJ 3 or 4 Speed w H D Brake Susp and Positraction w Metallic Brakes Positraction 3 70 ratio AS 3 70 ratio FK 3 Dr 4 Speed w H D Braka Susp and Positraction w Metallic Brakes Poxitraction 4 11 ratio AT 4 11 ratio FL 3 or 4 Speed w H D Brake Susp and Positraction w Metallic Brakes Positratztion 4 56 ratio AV 4 56 ratio FM 3 or 4 Speed wlMetalIic Brakes FJ 3 or 4 Speed w Positraction and Metallic Brakes 3 70 ratio FK 3 or 4 Speed w Pcsitraction and Metallic 1962 Brakes 4 11 ratio FL 3 or A Specs w Positraction and Metallic Brakes 4 56 ratio FM 3 ed 3 36 mia CA Positraction 3 36 ratio CB Positraction 3 55 ratio CC Positraction 3 70 ratio CD Positraction 4 11 ratio CE 1960 Positrnetion 4 56 ratio I CF 4 peed CG w Metallic Brakes 3 36 ratio CH w Metallic Brakes 3 55 ratio CJ 3Soeed or 4Spead 3 70 ratio AH Positractionw Metallic Brakes Powarglide 3 55 ratio AE 3 36 ratio Cl Potitraction 3 70 ratio AN Positraction vv Metallic Brake Potitnction 4 11 ratio AP 3 55 ratio CL Positnction 4 56 ratio AG F itr cti w Metallic Brakes I 3 p ad or 4Speed w H D Brake Susp 170 ratio CM and Positraction 3 70 ratio AS Positraetion w Metallic Brakes 3Speed or 4 Speed w H D Brake Susp 4 11 ratio CN and Positroction 4 11 ratio AT Positraction w Metallic Brakes 3 p ed or 4 Speed w H D Brake Strsp 4 56 ratio Y CP and Positraction 4 56 ratio AU Positraction w H D Brake Susp CO WABEHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS COHPORAT 0N CHEVl IOLET 4A so REV 1 83 B 4