ChryCorp Passenger Car Rear Axle Dimensions and ID: 1962 to 1989
Sources:
- Information courtesy of Chrysler Performance Upgrades (CarTech) by Frank Adkins. Updated for the F/J/M-body and R-body platform cars by Farley's Library
- Transcribing of CarTech chart data courtesy of www.440magnum-network.com
- The Standard Catalog of Chrysler - 1914-2000 - Edited by James T. Lenzke
- www.Car-Part.com
Charts:
- Axle Dimensions Illustration courtesy of Chrysler Performance Upgrades (CarTech) by Frank Adkins.
- Mopar Rear Axle Spotter's Guide (contributor unknown). Updated with notes on the 10-bolt 7.25" rear axle, the 10-bolt 8 1/4" axle and the 12-bolt 9 1/4" axle by Farley's Library
Below is a chart and diagram showing rear axle dimensions for Chrysler, Plymouth, and Dodge passenger cars manufactured from 1962 to 1989. Body lines covered are A-Body, B-Body, C-Body, E-Body, F-Body, J-body, M-body and R-body. Also attached is a chart showing the various types of rear axles used by Chrysler for the same period.
(
A) = Flange to Flange.
(
B) = Leaf Spring Centerline to Leaf Spring Centerline..
(
C) = Centerline of Axle Shaft to Centerline of Rear Universal Joint
View attachment ChryCo diff ID.jpg
View attachment ChryCo diff sizes.jpg
Year Axle Type (A) (B) (C)
1963 - 1972 7 1/4" A-Body 53.200" 43.02" 10.09"
1973 - 1976 7 1/4" A-Body 51.400" 43.02" 10.09"
All 7 1/4" F/J/M-Body 54.340" 44.46" 10.09"
1973 - 1976 8 1/4" A-Body 51.400" 43.02" 11.69"
All 8 1/4" B/R-Body 57.800" 47.30" 11.69"
All 8 1/4" C-Body 59.200" 47.30" 11.69"
All 8 1/4" F/J/M-Body 54.340" 44.46" 11.69"
All 8 3/4" A-Body 51.400" 43.00" 12.35"
1962 - 1970 8 3/4" B-Body 55.000" 44.00" 12.35"
1971 - 1974 8 3/4" B-Body 57.800" 47.30" 12.35"
1971 - 1974 8 3/4" B-Body S.W. 59.200" 47.30" 12.35"
All 8 3/4" E-Body 56.500" 46.00" 12.35"
All 9 1/4" B/R-Body 57.800" 47.30" 11.69"
All 9 1/4" C-Body 59.200" 47.30" 11.69"
1966 - 1970 9 3/4" B-Body 54.936" 44.00" 13.47"
All 9 3/4" E-Body 56.500" 46.00" 13.47"