Editing Swap solutions: Rear axles

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{| class="wikitable sortable"
 
|-
 
! Manufacturer !! Axle family !! Application !! Brake type !! Suspension type !! Width, wheel-mount to wheel-mount (drum/rotor mounted) !! Width between spring perches, center to center (for leaf axles) !! Width between backing plates !! Width between shock mounts, center to center !! Weight (w/wo brakes?) !! Additional information !! Improvements !! Vehicles !! Notes
 
|-
 
| GM || 7.5" / 7.625" 10-bolt || G-body 1978-1988 || Drum || Coil, triangulated 4-link rear suspension || 58" || || 52.5" || || || Type 2 carrier || Replace drum brake wheel cylinder w/S10, it is larger. Another improvement is to swap in a different ring gear set as many of these vehicles came with extremely low ratios (i.e., 2.4) || El Camino, Malibu, Regal, Cutlass, Grand Prix, Monte Carlo, Bonneville (1978-86) ||
 
|-
 
| GM || 8.5" 10-bolt || G-body 1978-1988 || Drum || Coil, triangulated 4-link rear suspension || 58" || || 52.5" || || || || || GNX, 442, Regal Turbo, & Grand National || Straight swap-in
 
|-
 
| Ford || 8.8" || G-body 1978-1988 || Drum || triangulated 4-link rear suspension || 58.75" || || 53.0" || || || || Due to scarcity of GM 8.5" g-body axles, this gives a 1978-88 G-body vehicle a newer & stronger replacement || 1986-1993 Mustang V-8 || Requires modification:
 
  
1) driveshaft to match the flat-flange-style pinion yoke
+
<p>This &quot;Swap Solutions&quot; series of Wiki articles is intended to help the  
 
+
customizer, swapper, shade-tree mechanic, or junkyard crawler.&nbsp; The idea is  
2) cutting off the old spring perches and welding on a G-body set
+
this:&nbsp; When you pull an axle, engine, tranny, driveshaft, bearing, or  
 
+
ANYTHING from your car, measure the heck out of it.&nbsp; Countless times I've  
3) adjustable upper control arms with conversion brackets to mount to
+
found myself wishing I had a source to know if this axle will fit that car, how  
the frame (axle has cast-in dog-ears for UCA (Upper Control Arm) but
+
much that ISB Cummins engine weighs, or if a driveshaft already exists that fits  
at a different angle so will need to use UCA with spherical bushings)
+
my custom install instead of paying to have one fabricated.</p>
 
+
<p>This article is for Rear Axles.&nbsp; The basic idea is so that when shopping  
4) spherical housing bearings
+
for a 9&quot; Ford to put under a custom-chassis, the user can scroll through and  
 
+
&quot;shop&quot; for axles that will fit (or come close) and possibly avoid headaches.&nbsp;
5) adjustable G-body lower control arms (LCA (Lower Control Arms)
+
Using the formatting below, start adding info.&nbsp; You can't add too much  
will require spacers, unless they are changed also)
+
information.&nbsp; Make sure you give the application(s), year(s) and any  
 
+
possible tidbit you can.&nbsp; If someone can format this better than I can,  
6) lug bolt pattern (can keep stock Ford axles with lug-pattern or
+
please do, but basically use your codes to make columns for the following  
replace axles with GM lug pattern to match the front)
+
characteristics.</p>
|-
+
<ol>
| Ford || 8.8" || G-body 1978-1988 || Disc || triangulated 4-link rear suspension || 60.25" || || || || || || Due to scarcity of GM 8.5" g-body axles, this gives a 1978-88 G-body vehicle a newer & stronger replacement || 1994-1998 Mustang || Requires modification:
+
<li>Axle family (like GM 8.5&quot; ten bolt, or Dana 44)</li>
 
+
<li>Application.&nbsp; What year, what vehicle, and any determining factor.&nbsp;
1) driveshaft to match the flat-flange-style pinion yoke
+
For instance, if I want to find the same 12-bolt you described, it might be  
 
+
helpful in finding it to know that yours was found in a station wagon with a  
2) cutting off the old spring perches and welding on a G-body set
+
big block.&nbsp; Even if you only know YOUR axle's year it will help.</li>
 
+
<li>Type of brake, disk or drum and their diameter</li>
3) adjustable upper control arms with conversion brackets to mount to
+
<li>Type of suspension, coil or leaf, trailing arm or torque arm, etc</li>
the frame (axle has cast-in dog-ears for UCA (Upper Control Arm) but
+
<li>Width from wheel mount to wheel mount</li>
at a different angle so will need to use UCA with spherical bushings)
+
<li>Width between spring perches, center to center (for leaf axles)</li>
 
+
<li>Width between backing plates</li>
4) spherical housing bearings
+
<li>Width between shock mounts, center to center</li>
 
+
<li>Weight (and note if its with or without brakes)</li>
5) adjustable G-body lower control arms (LCA (Lower Control Arms)
+
<li>Notes for additional information.</li>
will require spacers, unless they are changed also)
+
<li>Add columns as needed.</li>
 
+
</ol>
6) lug bolt pattern (can keep stock Ford axles with lug-pattern or
+
replace axles with GM lug pattern to match the front)
+
|-
+
| Ford || 8.8" || G-body 1978-1988 || Disc || triangulated 4-link rear suspension || 61.625" || || || || || || Due to scarcity of GM 8.5" g-body axles, this gives a 1978-88 G-body vehicle a newer & stronger replacement || 1999-2004 Mustang || Requires modification:
+
 
+
1) driveshaft to match the flat-flange-style pinion yoke
+
 
+
2) cutting off the old spring perches and welding on a G-body set
+
 
+
3) adjustable upper control arms with conversion brackets to mount to
+
the frame (axle has cast-in dog-ears for UCA (Upper Control Arm) but
+
at a different angle so will need to use UCA with spherical bushings)
+
 
+
4) spherical housing bearings
+
 
+
5) adjustable G-body lower control arms (LCA (Lower Control Arms)
+
will require spacers, unless they are changed also)
+
 
+
6) lug bolt pattern (can keep stock Ford axles with lug-pattern or
+
replace axles with GM lug pattern to match the front)
+
|-
+
| Ford || 8.8" || G-body 1978-1988 || Drum or Disc || || 59.75" || || 53.5" || || || || Due to scarcity of GM 8.5" g-body axles, this gives a 1978-88 G-body vehicle a newer & stronger replacement || 1994-2003 Explorer || Requires modification:
+
 
+
1) driveshaft to match the flat-flange-style pinion yoke
+
 
+
2) cutting off the old spring perches and welding on a G-body set
+
 
+
3) adjustable upper control arms with conversion brackets to mount to
+
the frame
+
 
+
Axle does not have cast-in dog-ears for UCA (Upper Control Arm), will
+
need to weld on a conversion kit for UCA
+
 
+
4) spherical housing bearings
+
 
+
5) adjustable G-body lower control arms (LCA (Lower Control Arms)
+
will require spacers, unless they are changed also)
+
 
+
6) lug bolt pattern (can keep stock Ford axles with lug-pattern or
+
replace axles with GM lug pattern to match the front)
+
|-
+
| Ford || 8.8" || G-body 1978-1988 || Drum || || 58.75" || || 53.5" || || || || Due to scarcity of GM 8.5" g-body axles, this gives a 1978-88 G-body vehicle a newer & stronger replacement || 1990-1997 Ranger || Requires modification:
+
 
+
1) driveshaft to match the flat-flange-style pinion yoke
+
 
+
2) cutting off the old spring perches and welding on a G-body set
+
 
+
3) adjustable upper control arms with conversion brackets to mount to
+
the frame
+
 
+
Axle does not have cast-in dog-ears for UCA (Upper Control Arm), will
+
need to weld on a conversion kit for UCA
+
 
+
4) spherical housing bearings
+
 
+
5) adjustable G-body lower control arms (LCA (Lower Control Arms)
+
will require spacers, unless they are changed also)
+
 
+
6) lug bolt pattern (can keep stock Ford axles with lug-pattern or
+
replace axles with GM lug pattern to match the front)
+
|-
+
| Ford || 8.8" || G-body 1978-1988 || Drum || || 59.75" || || 53.5" || || || || Due to scarcity of GM 8.5" g-body axles, this gives a 1978-88 G-body vehicle a newer & stronger replacement || 1990-1995 Aerostar || Requires modification:
+
 
+
1) driveshaft to match the flat-flange-style pinion yoke
+
 
+
2) cutting off the old spring perches and welding on a G-body set
+
 
+
3) adjustable upper control arms with conversion brackets to mount to
+
the frame
+
 
+
Axle does not have cast-in dog-ears for UCA (Upper Control Arm), will
+
need to weld on a conversion kit for UCA
+
 
+
4) spherical housing bearings
+
 
+
5) adjustable G-body lower control arms (LCA (Lower Control Arms)
+
will require spacers, unless they are changed also)
+
 
+
6) lug bolt pattern (can keep stock Ford axles with lug-pattern or
+
replace axles with GM lug pattern to match the front)
+
|-
+
| Ford || 8.8" || G-body 1978-1988 || Drum or Disc || || 61.50" to 62.80" || || || || || || || Other potential Ford donor vehicles with this axle are 1979-2002 Crown Victoria, 1984-1992 Lincoln Mark VII, and 1987-1988 Thunderbird Turbo Coupe || These donors have axle widths ranging from 61.50" to 62.80" which would require expensive work by a machine shop
+
|-
+
|}
+
 
+
{{youcanedit}}
+
This "Swap Solutions" series of Wiki articles is intended to help the
+
customizer, swapper, shade-tree mechanic or junkyard crawler.
+
 
+
The idea is this: when you pull an axle, engine, tranny, driveshaft,
+
bearing, or ANYTHING from your car, measure the heck out of it.
+
 
+
Countless times I've found myself wishing I had a source to know if
+
this axle will fit that car, how much that ISB Cummins engine weighs
+
or if a driveshaft already exists that fits my custom install instead
+
of paying to have one fabricated.
+
 
+
This article is for Rear Axles. The basic idea is so that when
+
shopping for a 9" Ford to put under a custom-chassis, the user can
+
scroll through and review a listing of axles that will fit (or come
+
close) and possibly avoid headaches.
+
 
+
Using the formatting below, start adding info. You can't add too much
+
information. Make sure you give the application(s), year(s) and any
+
possible tidbits you can. If someone can format this better than I
+
can, please do, but basically use your codes to make columns for the
+
following characteristics.
+
 
+
#Axle family (like GM 8.5 ten bolt, or Dana 44)
+
#Application. What year, what vehicle, and any determining factor.
+
For instance, if I want to find the same 12-bolt you described, it
+
might be helpful in finding it to know that yours was found in a
+
station wagon with a big block. Even if you only know YOUR axle's year
+
it will help.
+
#Type of brake, disk or drum and their diameter * Or if you will be
+
able to use your factory brakes, if you like.
+
#Type of suspension, coil or leaf, trailing arm or torque arm, etc. *
+
Factory 9" housings do not have a torque arm, although an aftermarket
+
one can.
+
#Width from wheel mount to wheel mount
+
#Width between spring perches, center to center (for leaf axles)
+
#Width between backing plates
+
#Width between shock mounts, center to center
+
#Weight (and note if its with or without brakes)
+
#Notes for additional information
+
#Add columns as needed.
+
 
+
Pretty much if you are to swap a stronger rear end in to your car,
+
you are probably looking at a Ford 9", GM 12 bolt, or Dana 60 (maybe
+
44?).
+
 
+
The main item is what will it take to make your new rear fit? For
+
example, If you want to swap a junkyard 9" in a 99 SS Camaro, the
+
width of the housing would need adjustment, weld on the suspension
+
control arm brackets, coil spring brackets, shock brackets. Special
+
length axles are needed if the housing is narrowed.
+
 
+
Brackets for factory brake backing plates to use factory style
+
brakes. Torque arm bracket (or go with ladder bars) and some people
+
want to keep the Anti-Lock-Brakes. If you want to do that, you have to
+
have a special diff carrier, and you have to drill a hole in the
+
housing to mount the sensor to read the reluctor ring.
+
 
+
Your drive shaft yoke might be the same, but it might be different,
+
so that is another thing that will attention. Most of the time you
+
will need you will need a new driveshaft.
+
 
+
Once completed, a rear differential swap will have been completely
+
worth it.
+
 
+
[[Category:Rearend]]
+
 
+
{{youcanedit}}
+
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