I CORVETTE REAR AXLE IDENTIFICATION V18 Axle identification is stamped on uilterential carrier along with date ot manufacture Plant Plant Type Identification Type Identification 1955 58 3 d or 4 d W Metallic Brakes 3 70 ratio I FJ iispeeo AH 3 d r 4 Spud wIF sitr ction and Fowerglide AE Metallic Brakes 3 70 ratio FK aspmi w 27 ratio AD 3 r 4 d w Fnsimction and 3 peed w 4 11 ratio l AJ Metallic Brakes 4 11 ratio FL 3Speed w Positraetion 3 70 ratio AN 35peed or 4 Speed wfFositractiari and 3 oeed w Positraction 4 11 ratio AP Metallic Brakes 4 55 ratio I FM 3 peed wlPositraction 4 56 ratio AO l Heavy Duty Brake Bt Suspension w Positraction 3 70 ratio AS Heavy Duty Brake lh Suspension 1951 wIPositraction 4 11 ratio AT Heavy Duty Brake Suspension w Posirractiori 4 56 ratio AU 3S aed 3 36 ratio AC Powerglide 3 55 ratio AE I 4 ed 3 70 Ratio AH Poxitraction 3 70 ratio AN Positraction 4 11 ratio AP 1959 Positraction 4 56 ratio AO Positraction 3 35 ratio AF Potitraction JI D Brake Suxp 3 70 ratio AS 35peed or 4Speed AH Positraction w I l D Brake Susp Fowerglioe AE 4 11 ratio AT 3 or 4 Speed w Po1itraction 3 70 ratio AN Posizraction w I l D Brake Su 3 or 4 Speed w Porltraction 4 1 r ti AP 4 56 ratio AU 3 or 4 Speed w Foxitraction 4 56 ratio AQ Metallic Brakes 3 70 ratio FJ l 3 or 4 Speed vv H D Brake Sutp and Fositraction w Metallic Brakes Poaitraction 3 70 ratio AS 3 70 ratio FK 3 or 4 Speed w H D Brake Susp and F 1itractionwIMetaIIi Brakes Poritraction 4 11 ratio AT 4 11 ratio FL 3 or 4 Speed w H D Brake Sum and Positraction w Metallic Brakes Poxitraction 4 56 ratio AV 4 55 ratio FM 3 or 4 Speed w Metallic Brakes FJ 3 or 4 Speed w Positraction and Metallic Brakes 3 70 ratio FK 3 or 4 Speed w Positraction and Metallic 1962 Brakes 4 11 ratio FL 3 or 4 Speed w Potitraction and Metallic Brakes 4 56 ratio FM 3 Snead 3 35 ratio CA Posltraction 3 36 ratio CB Positraction 3 55 ratio CC Positractlon 3 70 ratio UD Poxitraction 4 11 ratio Cii 1960 Positraction 4 56 ratio 2 LF 4 Spaed CG w Metallic Brakes 3 35 ratio CH wIMIta I c Brakes 3 55 ratio CJ 3 Spa d or 4 peed 3 70 ratio AH Potitractlonw Metallic Braket Powargilda 3 55 ratio AE 3 36 ratio CK Fotitraction 3 70 ratio AN Positractlon w Metallic Erakex Potitraction 4 11 ratio AP l 3 55 ratio CL Fotitraction 4 56 ratio AO Positraction wIMeta Ii Brakes 3 Speed or 4 peed w H D BrakeI5usp 3 70 ratio CM and Fotitractlon 3 70 ratio I AS Fositraction w Metallic Brakes 3 S ed or 4 Speed w H D Brake Susp 4 11 ratio CN I and Positraction 4 11 ratio AT P rl1ra ti r w Matallic Brakes 3 peed or 4 Soeed w H D Brake Sutp 4 56 ratio CP and Positractiort 4 56 ratio AU Fotitraction w H D Brake Susp CO WAREHDIJSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORFORATION CHEVF 0LET 14A so REV 12 83 B 4