Swap solutions: Rear axles

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(added researched data)
 
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{| class="wikitable sortable"
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|-
 +
! 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:
  
−
<p>This &quot;Swap Solutions&quot; series of Wiki articles is intended to help the  
+
1) driveshaft to match the flat-flange-style pinion yoke
−
customizer, swapper, shade-tree mechanic, or junkyard crawler.&nbsp; The idea is  
+
 
−
this:&nbsp; When you pull an axle, engine, tranny, driveshaft, bearing, or  
+
2) cutting off the old spring perches and welding on a G-body set
−
ANYTHING from your car, measure the heck out of it.&nbsp; Countless times I've  
+
 
−
found myself wishing I had a source to know if this axle will fit that car, how  
+
3) adjustable upper control arms with conversion brackets to mount to
−
much that ISB Cummins engine weighs, or if a driveshaft already exists that fits  
+
the frame (axle has cast-in dog-ears for UCA (Upper Control Arm) but
−
my custom install instead of paying to have one fabricated.</p>
+
at a different angle so will need to use UCA with spherical bushings)
−
<p>This article is for Rear Axles.&nbsp; The basic idea is so that when shopping  
+
 
−
for a 9&quot; Ford to put under a custom-chassis, the user can scroll through and  
+
4) spherical housing bearings
−
&quot;shop&quot; for axles that will fit (or come close) and possibly avoid headaches.&nbsp;
+
 
−
Using the formatting below, start adding info.&nbsp; You can't add too much  
+
5) adjustable G-body lower control arms (LCA (Lower Control Arms)
−
information.&nbsp; Make sure you give the application(s), year(s) and any  
+
will require spacers, unless they are changed also)
−
possible tidbit you can.&nbsp; If someone can format this better than I can,  
+
 
−
please do, but basically use your codes to make columns for the following
+
6) lug bolt pattern (can keep stock Ford axles with lug-pattern or
−
characteristics.</p>
+
replace axles with GM lug pattern to match the front)
−
<ol>
+
|-
−
<li>Axle family (like GM 8.5&quot; ten bolt, or Dana 44)</li>
+
| 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>Application.&nbsp; What year, what vehicle, and any determining factor.&nbsp;
+
 
−
For instance, if I want to find the same 12-bolt you described, it might be  
+
1) driveshaft to match the flat-flange-style pinion yoke
−
helpful in finding it to know that yours was found in a station wagon with a  
+
 
−
big block.&nbsp; Even if you only know YOUR axle's year it will help.</li>
+
2) cutting off the old spring perches and welding on a G-body set
−
<li>Type of brake, disk or drum and their diameter</li>
+
 
−
<li>Type of suspension, coil or leaf, trailing arm or torque arm, etc</li>
+
3) adjustable upper control arms with conversion brackets to mount to
−
<li>Width from wheel mount to wheel mount</li>
+
the frame (axle has cast-in dog-ears for UCA (Upper Control Arm) but
−
<li>Width between spring perches, center to center (for leaf axles)</li>
+
at a different angle so will need to use UCA with spherical bushings)
−
<li>Width between backing plates</li>
+
 
−
<li>Width between shock mounts, center to center</li>
+
4) spherical housing bearings
−
<li>Weight (and note if its with or without brakes)</li>
+
 
−
<li>Notes for additional information.</li>
+
5) adjustable G-body lower control arms (LCA (Lower Control Arms)
−
<li>Add columns as needed.</li>
+
will require spacers, unless they are changed also)
−
</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}}

Latest revision as of 20:36, 4 December 2019

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