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Old 01-19-2011, 03:35 PM   #1
tomcat51
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Default 8 inch rearend in a shoebox

I got a 8 inch rearend out of a 63 falcon station wagon, will it fit in my 51 shoebox with the diff offset?
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Old 01-19-2011, 03:54 PM   #2
V8 Bob
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Default Re: 8 inch rearend in a shoebox

The '51 pinion is offset, at least on mine, 13/16" to the right. Biggest mod is relocating the spring mounts, which are usually wider than the '51s 42" center to center.
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Old 01-19-2011, 04:00 PM   #3
Ole Don
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Default Re: 8 inch rearend in a shoebox

The different offset will only be a problem if the car is lowered a lot. The drive shaft may hit the tunnel. If the spring pads are off an inch or less, a spacer can be made to take up that much on each side.
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Old 01-19-2011, 06:06 PM   #4
38 coupe
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Default Re: 8 inch rearend in a shoebox

I have been told by two coupe owners, a 49 and a 50, that the 8 inch from a Maverick is a bolt in.
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Old 01-19-2011, 08:29 PM   #5
Inthegarge
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Default Re: 8 inch rearend in a shoebox

Maverick is 1.25" wider than Falcon, so the Falcon should fit fine...RW
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Old 01-19-2011, 09:32 PM   #6
TJ
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Default Re: 8 inch rearend in a shoebox

My neighbor has built two shoebox Fords and used a Maverick rear in both of them. The Maverick measures 57 1/4" from axle flange to axle flange.
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Old 01-19-2011, 10:05 PM   #7
waldo
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Default Re: 8 inch rearend in a shoebox

Don't worry about the offset. If you lower the rear at all you will be trimming the cross channel about half way up the drive shaft anyway.
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Old 01-20-2011, 03:30 AM   #8
rg49merc
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Default Re: 8 inch rearend in a shoebox

57-59 9" rear from wagons or ranchero,65-66 mustang v8 rear and 70's maverick rear wil fit..I'm using a 66 mustang rear just had to relocate the spring perch pad..57-59 9" rears would be my choice but a bit to pricey out here in LA
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Old 01-20-2011, 08:01 AM   #9
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Default Re: 8 inch rearend in a shoebox

This may be of some help. Plagiarized (borrowed) from past discussions. Hope it helps. Joe


Guys,, Here is some info that will help you in your search for new rear ends. THIS IS A KEEPER!!!!!!!!!!!!!!!!
MEASURED ACROSS WHEEL MOUNTING SURFACE
56 1/2" 71-77 Ford Maverick 8",
57" 71-74 V-8 Mavericks 8", All '75-77 6's & 8's Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9"

57 1/4" 64 1/2 - 65 Mustang

58" 78-88 Mid sized GM Car, Malibu/Monte Carlo (82 up Metric Studs), 80 Granada & Lincoln Versailles,
67-70 Mustang/Cougar/Fairlane, Regal with 10 bolt axle, S-10 P.U., 65-67 Nova

58 1/2 " Ford Grenada

59" 68-83 Corvette

60" 55-64 Chevy Car, 67-69 Camaro, 64-67 Chevelle, 68-74 Nova, 71-73 Mustang/Cougar, 84-95 Corvette

60-61" 64-69 1/2 ton 2wd Chevy/ Some GMC 6 lug rear end 12 bolt Coil spring set up Possible gear ratio's 3.70

62" 64-77 Chevelle, 73-76 Torino, 89 Trans Am,

70 2wd 6 lug rear end 12 bolt Possible gear ratio's 3:08, 3:40, 3:73
70-81 4wd 6 lug reared .................................................. .............

71- Newer 2wd trucks use a 5 on 5 lug pattern
71-76 Full Size Cars " "" "" "

60" 60's GMC and some Chevy's Dana 44 or Dana 60 with leaf springs 6 lug, Gear ratio's 3.21 to 3.92. GMC V-6 used a 3.21 Dana 44 used a standard chevy 1310 yoke, Dana 60 used the heavy duty yoke which takes the larger 1350 yoke.



Approximate rear end widths measured from backing plate to backing plate.
Add Width to compensate for drums as follows:
4" - 5" for small cars 5" - 6" for intermediate cars 6" - 8" for large cars 48" - 49" 50" - 51" 52" - 53"
'71 Colt
'72 Cricket
'72-75 Datsun Pickup
'72-73 Mazda '65 Ram American
'74 Valiant '28-40 Ford , '57 - 59 Ford
'62 Buick Skylark, '67 Chevrolet Six
'67 Mustang Six , '68 AMX
'69 Javelin Six , '70 dodge
'70 Duster , '71-77 Maverick
'71 Comet , '71- 72 Pinto
54" -55" 56" -57" 58" - 59"
'39 -48 Chevrolet, '68 GTO
'41 -48 Ford, '68-72 Chevelle
'55 -57 Chevrolet, 68-69 Fair lane 6 or 8
'66 Falcon, '69 Chevrolet
'67 Mustang V-8, '69 Firebird
'69 Cougar, '71 -73 Nova
'73 Ventura, '73 Mustang '36 Plymouth, '54-56 Ford Pickup
'67 Lincoln, '69 Dodge
'69 Dodge Van, '71 Torino
'72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala
'65 Cadillac, '66 Buick Wildcat
'66-67 Chevrolet Big Car, '72 Charger
'69 Oldsmobile 88, '72 Chrysler
'72-73 Torino


STOCK CENTER TO CENTER SPRING PERCH DISTANCE 25" 39" 42" 42 1/2
'68 - 72 Chevelle '71 Colt
'73 Mazda '68 -71 Fairlane/Torino
'49-51 Ford '69 Chevrolet
'69 Nova
'71 - 72 Pinto
'73 Ventura
43" 43 1/2" 44" 46 1/4"
'65 Ram American
'64 1/2-'65 Mustang
'67 Mustang
'70's Ford Grenada
'69 Firebird
'70 Dodge '71-77 Maverick
'70 Duster
'70 Nova
'71 Comet
'72 Dart
'72 Cougar
'74 Valiant '57 Ford
'67 Chevrolet Six
'68 AMX
'69 Javelin Six '69 Dodge
47 1/2" 48" 51" 57 1/2"
'39 -48 Chevrolet
'67 Chevrolet big car
'72 Charger
'72 Chrysler '69 Dodge Van
'69 Ford Van '67 Lincoln


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--------------------------------------------------------------------------------

The following list of extensive information was contributed by R. Welch:


Original Vehicles
Rear Suspension Width (Flange to Flange) Year Classic Vehicles Width
26-39 Plymouth-Dodge car/pick up 56-58"
40-52 Plymouth-Dodge car 60-62"
26-39 Chrysler/Desoto Car 60"
Most Early Mopar's 56-62"
25-39 Chevy Car 56-58"
26-46 Chevy Truck 56-58"
40-48 Chevy Car 58-60"
49-54 Chevy Car 58-60"
47-54 & 55 1st Series Chevy Truck 60-62"
Most Early Buick, Olds, Pontiac 58-61"
28-31 Ford Car/Pickup 57 1/2"
32 & 33-34 Ford Car/Pickup 56 1/2"
35-48 Ford Car 57-60"
35-41 Ford Pickup 56-60"
49-58 Ford Car 57-58"
49-56 Mercury 57-58"
49-51 Mercury 61"
64 Falcon 58"
67 Cougar 60"
55-59 Chevy Pickup 62"



Donor Vehicles Front and Rear
Suspension Width (Flange to Flange) Year Classic Vehicles Width Front Width Rear
74-79 Ford Mustang II/Pinto & Mercury Capri/Bobcat 55 " 55 "
71-77 Ford Maverick with 8" axle 56 "
75-80 Ford Granada with 8" axle 57 "
64-66 Mustang 57"
67-71 Mustang 59"
72-73 Mustang 60"
67-69 , & 60" Camaro 60"
64-67 Chevelle 60"
55-64 Chevy car 60"
65-67 Nova 58"
68-72 Nova 60" 60"
78 & up Monte Carlo, Regal, etc. with 10 bolt axle 58" 58"
68-72 Chevelle with 10 bolt axle 61 "
89 Trans AM (Disc brake) 62"
76-80 Camaro/Firebird 61 " 60 "
68-83 Corvette 58 " 59 "
84-95 Corvette 59 " 60 "
Early 70's "A" body (Dart/Duster) with V8&3/4 axle 58"
"E" Body (Cuda) with V8&3/4 axle 58"
Dodge Dart 59" 55 "
Plymouth Volare & Dodge Aspen 61" 60 "
71 Blazer (6 lug) 63 "
75-78 Granada 9" (43" perch to perch) 52 "
75-78 Maverick 9" (43" perch to perch) 56 "
81-87 Olds Cutlass 58 "


The 8" maverick and comet rear ends are the popular swap, they have the slightly shorter overall length but I believe the spring perch measurement is not exactly the same, close but not 42" as a stock rear. Two other options I've heard about are the late 70's Ford Granada and Lincoln Versailles, both had the 9" rear, while the Lincoln has disc brakes, highly desirable and hard to find. I searched for a while and could not find any suitable rear ends in my area and settled for an 8" rear out of a '66 Fairlane. It has the exact spring perch measurement of 42" but it's overall width is 58", slightly wider, but I don't think enough to cause me any problems.
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Old 01-20-2011, 12:45 PM   #10
rotorwrench
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Default Re: 8 inch rearend in a shoebox

The Ford Mustangs in the early years were based on the Falcon planform so they should near be the same between V8 powered vehicles with 5 bolt lug pattern. No one ever wanted the four bolt lug pattern on the 6 banger Falcons or Mustangs.
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Old 01-20-2011, 09:05 PM   #11
hbleadsled
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Default Re: 8 inch rearend in a shoebox

I used 70s maverick rear in my 51 shoebox. relocated spring perchs to get a equal spacing between fender and axel ,if you don't you can't get driver side tire off if car is lower,with out a bumper jack. Harold central coast Ca.
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