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Saw a non running Ford Granada today and
wondered about the width of the 9 inch
axle in it..found a listing
of axle widths and thought I would share
it for those interested...
9 inch Ford Axle Widths
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
'57-'59 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
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
VARIATIONS-LT, MED,& HEAVY DUTY
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
HOW TO RECOGNIZE-REAR HOUSING
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.
SHORTENING THE AXLE-YES AND NO
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.
Thanks for the info. I installed a 9" from a Torino in my 54. I narrowed the housing about an 1" on each side if I remember right. I shoved the springs inboard about 3/4" for tire/rim clearance, I am running 17x8 rim with 245/45/17 tires. The modification I did was to the spare tire well. The Torino housing slightly hit the well, so I trimmed it and fixed the glass, and the parking brake cables had to be modified. The whole process has worked well for me. It also has a 327 with a super T10.
Nice info Karpo... I wish the Generals axle's were easy to narrow and
offered the same strength.... 67-72 Pickups came std with the
Dana 44 rear axle.... a pretty stout arangement....Wish the truck 44 was as easy to mod...those trucks are still everywhere in scavengable condition.
Put a 9" from a 1971 Mach 1 in my C-1. Worked like a charm. I believe the width is 61-1/4" which is fairly close to the stock C-1 rear so no narrowing is required. The spring perches needed to be relocated so I replaced them with perches from Moroso and maintained the stock pinion angle. The stock driveshat will even work as long as you are using a third member with the 1300 series yoke. You will need to use a combination u-joint which is readily available from Lakewood and others. The rear does come close to the spare tire well but does not make contact. I am certain this will vary from car to car due to spring arch and/or condition.
Put a 9" from a 1971 Mach 1 in my C-1. Worked like a charm. I believe the width is 61-1/4" which is fairly close to the stock C-1 rear so no narrowing is required. The spring perches needed to be relocated so I replaced them with perches from Moroso and maintained the stock pinion angle. The stock driveshat will even work as long as you are using a third member with the 1300 series yoke. You will need to use a combination u-joint which is readily available from Lakewood and others. The rear does come close to the spare tire well but does not make contact. I am certain this will vary from car to car due to spring arch and/or condition.
Can you tell me, how much tire/ rim and how much room inside the fenderwell each side of the tire? Inner fender and outer? Do you know how closely that would match a c-2? Thank you! Ken
It was easier for me to have one built from scratch. Purchase the 9" center housing, the tubes to be cut to length, the perches and the ends. Most of my stuff came from Moser. Also had them make the axles. After it was all put together. I took the unit home, bolted it in and popped in the Moser center section with 3:50 gears. You can take the dimensions from your stock rear and use that to make the 9" unit
57.5", face to face.....bought from Jim Myer Racing....you can see the yellow pen on the housing,,,,without axles or anything else. Tube face to tube face, each tube has the mounting flange in place.
You can get any width housing you want based on what type of wheels you want to use. My black car, I wanted an old school 60s look, the tires stick out several inches. My red car I wanted to use 1993 ZL1 stock size wheels all around and place them inside the fenders. On that housing I widened the housing way more then the stock to get that result.
02-26-2008, 01:55 AM
9 inch Axle Width List for Solid Axle Upgrade
