RPO 687 rear end code

[Joseph T.]

What is the rear end code for a 1961 RPO 687 big brake car?

[Kenneth T.]

Re: RPO 687 rear end code

Maybe this will help

AC 3.36:1 Standard 3-Speed
AE 3.55:1 Standard Powerglide
AH 3.70:1 Standard 4-Speed
AN 3.70:1 Positraction Manual Transmission
AP 4.11:1 Positraction Manual Transmission
AQ 4.56:1 Positraction Manual Transmission
AF 3.36:1 Positraction Manual Transmission
AS 3.70:1 Positraction 4-Speed & H.D. Brakes & Suspension
AT 4.11:1 Positraction Manual Trans. & H.D. Brakes & Suspension
AU 4.56:1 Positraction Manual Trans. & H.D. Brakes & Suspension
FJ 3.70:1 Standard 4-Speed & Metallic Brakes
FK 3.70:1 Positraction 4-Speed & Metallic Brakes
FL 4.11:1 Positraction Manual Trans. & Metallic Brakes
FM 4.56:1 Positraction Manual Trans. & Metallic Brakes

[Joseph T.]

Re: RPO 687 rear end code

Thanks!!!!!