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The information on this list was compiled by members of the Fairlane / Torino / Ranchero Mailing List. No guarantee as to the accuracy of this data. If you have QUESTIONS about Ford 9" Rear Ends, please visit our Forum. |
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Year & Model |
Axle Length |
Notes |
| 1965-1966 Mustang | 57.25 inches | |
| 1967-1970 Mustang | 59.25 inches | |
| 1971-1973 Mustang | 61.25 inches | |
| 1977-1981 Versailles | 58.50 inches | |
| 1967-1973 Mustang, Torino, Ranchero, Fairlane |
59.25 inches to 61.25 inches |
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| 1957-1959 Ranchero and station wagon | 57.25 inches | |
| 1966-1977 Bronco | 58 inches | |
| 1977-1981 Granada/Versailles | 58 inches | |
| 1967-1971 Comet, Cougar, Mustang, Fairlane | 59.25 inches | |
| 1971-1973 Mustang | 61.25 inches | |
| 1964 Falcon | 58 inches | |
| 1967 Cougar | 60 inches | |
| 1967 Fairlane | 63.50 inches | coil springs |
| 1972 Ford Van 3/4 ton | 68 inches | |
| 1973-1986 Ford Van 3/4 ton | 65.25 inches | |
|
1957-1959 Ranchero and station wagon |
57.25 inches |
narrowest 9" housing |
| 1966-1977 Bronco | 58 inches | 5-on-5 1/2 inch diameter bolt circle |
| 1967-1973 Torinos, Rancheros, Fairlanes |
59.25 inches or 61.25 inches |
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| 1967-1971 Comets, Cougars, Fairlanes | 59.25 inches | |
| 1975 Mustang II 8" | 57.00 inches | |
| 1974 Maverick 8" | 56.50 inches | |
1967-1973 medium and big block Mustangs and Cougars 1966-1971 Fairlanes,
Torinos, Montegos, Comets, and other Ford intermediates with big blocks.
1957-1959 V8 Fords and Mercurys
1977-1981 Lincoln Versailles & Trucks
1967-1973 Mustang/Cougar - light duty, thinnest housing material, small axle
bearings, 28 and 31 splines.
1957-1968 passenger car and 1/2 ton truck - medium duty, stronger than Mustang type, 28 and 31 splines.
Ranchero/Torino - heavy duty thick wall housing, 3.25 inch diameter axle tubes with flat tops.
1969-1977 Galaxies (coils), Lincolns (coils), and late pickups (leaf)-
3.25 inch diameter all the way to the backing plate, coil housings have
upper control arm mount
1957 - no dimples, flat center band up the center of the rear cover, bottom drain plug.
1958-1959 - two dimples on back of housing, flat center band, some had drain holes.
1960-1967 - two dimples, flat center band, oil level hole in back cover.
1963-1977 Lincoln, LTD, Thunderbirds had 9.375 inch centers, housings
were cut away at the gasket surface for ring gear clearance, one curved
rib at the front top portion of differential, strong but no gears.
1972 and earlier 31 spline axles have the ability to be shortened.
28 spline axles are tapered
and cannot be shortened and re-splined.
1973 and later cars have a 5-on-5 bolt circle and the axles cannot be shortened.
1967-1973 Mustang axles can be identified by wheel flange:
Oval hole = 28 splines.
Two large holes and counter-sunk
center = 31 splines.
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| If you encounter any errors in this data , or have additional information about Ford 9-inch rear ends, please e-mail webmaster@DFWmotorsport.com . Please do not send mechanical questions to the webmaster. Please visit the FORUM if you have questions.
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