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Advance Design Trucks seem to be using rear ends with widths ranging from 58"- 62". I'm not sure of the Task Force width ranges at this time.
Contributing information were Bob Welch, J Forbes and various locations throughout the Web and Automotive Magazines.
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.
| 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 |
| 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
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'69 Ford Van | '67 Lincoln |
The following list of extensive information was
contributed by R. Welch:
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| 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" |
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| 74-79 | Ford Mustang II/Pinto & Mercury Capri/Bobcat | 55 ½" | 55 ½" |
| 71-77 | Ford Maverick with 8" axle | 56 ½" | |
| 75-80 | Ford Granada with 8" axle | 57 ½" | |
| 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 ½" | |
| 89 | Trans AM (Disc brake) | 62" | |
| 76-80 | Camaro/Firebird | 61 ½" | 60 ½" |
| 68-83 | Corvette | 58 ½" | 59 ½" |
| 84-95 | Corvette | 59 ½" | 60 ½" |
| 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 ½" | |
| Plymouth Volare & Dodge Aspen | 61" | 60 ½" | |
| 71 | Blazer (6 lug) | 63 ¾" | |
| 75-78 | Granada 9" | (43" perch to perch) | 52 ¼" |
| 75-78 | Maverick 9" | (43" perch to perch) | 56 ¼" |
| 81-87 | Olds Cutlass | 58 ½" |
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