Difference between revisions of "Rear Axle 8.75""
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The 8.75" (AKA Eight and Three Quarter") axle was a very durable [[Rear Axle]], mostly used in the full-size cars from the mid fifties until 1974. Unlike the other four Modern Day axles used by Mopar, the 8.75" had a [[3rd Member]] (also referred to as a [[chunk]], [[Carrier]], or [[Pig]]) removable from the front of the [[axle housing]] -- much like the Ford 9". This 3rd Member grouped the [[ring gear]], [[pinion gear]], and the [[differential]] (or [[spool]]) as a unit. | The 8.75" (AKA Eight and Three Quarter") axle was a very durable [[Rear Axle]], mostly used in the full-size cars from the mid fifties until 1974. Unlike the other four Modern Day axles used by Mopar, the 8.75" had a [[3rd Member]] (also referred to as a [[chunk]], [[Carrier]], or [[Pig]]) removable from the front of the [[axle housing]] -- much like the Ford 9". This 3rd Member grouped the [[ring gear]], [[pinion gear]], and the [[differential]] (or [[spool]]) as a unit. | ||
| − | + | [[Image:875rearend.jpg|thumb|350px|right|8 3/4" Exploded View]] | |
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=== [[Shaft Length]] === | === [[Shaft Length]] === | ||
| − | + | 8 3/4" axle shaft lengths measured from the tip of the splined end to the outside of the flange: | |
==== [[A-Body]] ==== | ==== [[A-Body]] ==== | ||
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* '70-'73= 31 21/64" (and '69 wagon) | * '70-'73= 31 21/64" (and '69 wagon) | ||
| − | ==== [[Imperial] (Large Bolt Pattern) ==== | + | ==== [[Imperial]] (Large Bolt Pattern) ==== |
* '65-'66= 30 1/8" | * '65-'66= 30 1/8" | ||
* '67-'69= 30 5/16" | * '67-'69= 30 5/16" | ||
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| − | === Housing widths | + | === Housing widths === |
| + | Measure flange to flange | ||
==== A BODY ==== | ==== A BODY ==== | ||
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* '72-'74= 59 7/16" | * '72-'74= 59 7/16" | ||
| − | === Rear end widths | + | === Rear end widths === |
| + | Measure drum-to-drum | ||
==== A BODY ==== | ==== A BODY ==== | ||
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* '72-'74= 64 3/8" | * '72-'74= 64 3/8" | ||
| − | === Spring | + | === Spring Perch Widths === |
| + | Measure center-to-center of spring perch | ||
==== A BODY ==== | ==== A BODY ==== | ||
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[[Category:White Paper|Rear Axle 8.75"]] | [[Category:White Paper|Rear Axle 8.75"]] | ||
[[Category:Rear Axle|Rear Axle 8.75"]] | [[Category:Rear Axle|Rear Axle 8.75"]] | ||
Latest revision as of 04:44, 22 August 2013
Contents
- 1 Background:
- 2 History:
- 3 Model Predecessor
- 4 Model Successor
- 5 Related Models
- 6 Applications and Size
- 7 Carrier Types and Specifications
- 8 Year by Year Changes
- 9 Wiki Topic References:
- 10 Magazine References:
- 11 External Links
Background:
The 8.75" (AKA Eight and Three Quarter") axle was a very durable Rear Axle, mostly used in the full-size cars from the mid fifties until 1974. Unlike the other four Modern Day axles used by Mopar, the 8.75" had a 3rd Member (also referred to as a chunk, Carrier, or Pig) removable from the front of the axle housing -- much like the Ford 9". This 3rd Member grouped the ring gear, pinion gear, and the differential (or spool) as a unit.
History:
Need some help with the history of this axle
Model Predecessor
Need some help with the predecessor of the 8.75"
Model Successor
Related Models
Other Rear Axles used on Modern Mopars include:
Applications and Size
Shaft Length
8 3/4" axle shaft lengths measured from the tip of the splined end to the outside of the flange:
A-Body
- '66-'72= 27 11/16"
B-Body
- '65-'67= 28 7/8"
- '68-'70= 29 3/16"
- '71-'74= 30 5/8"
- '71-'73 wagon= 31 21/64"
C-Body
- '65-'69= 30"
- '70-'71= 30 5/8" (Chrysler & Fury)
- '70-'73= 31 21/64" (and '69 wagon)
Imperial (Large Bolt Pattern)
- '65-'66= 30 1/8"
- '67-'69= 30 5/16"
- '70-'71= 29"
- '72-'73= 31 7/16"
E-Body
- '70-'74= 29 31/32"
A-100
- '65-'70= 30"
D100
- '65-'71= 31 1/8"
- '72-'74= 31 21/64
Housing widths
Measure flange to flange
A BODY
- '66-'72= 52 5/8"
B BODY
- '62-'63= 53 1/4" (And '64 Max Wedge)
- '64-'67= 54 1/4" (Exc. '64 Max Wedge)
- '68-'70= 54 15/16"
- '71-'74= 57 7/8"
- '71-'73 wagon= 59 7/16"
C BODY
- '65-'69= 56 3/4"
- '70-'71= 57 7/8" (Chrysler & Fury)
- '70-'74= 59 7/16" (and '69 wagon)
IMPERIAL
- '65-'66= 57"
- '67-'69= 57 3/8"
- '70-'71= 54 3/4"
- '72-'73= 59 5/8"
E BODY
- '70-'74= 56 31/64"
A100
- '65-'70= 56 3/4"
D100
- '65-'71= 58 5/16"
- '72-'74= 59 7/16"
Rear end widths
Measure drum-to-drum
A BODY
- '66-'72= 57 1/8"
B BODY
- '62-'63= 58 1/2" (And '64 Max Wedge)
- '64-'67= 59 1/2" (Exc. '64 Max Wedge)
- '68-'70= 60 1/8"
- '71-'74= 63"
- '71-'73 wagon= 64 3/8"
C BODY
- '65-'69= 61.75"
- '70-'71= 63.0" (Chrysler & Fury)
- '70-'73= 64 3/8" (and '69 wagon)
IMPERIAL
- '65-'66= 61 15/16"
- '67-'69= 62 5/16"
- '70-'71= 59 3/4"
- '72-'73= 64 9/16"
E BODY
'70-'74= 61 5/8"
A100
- '65-'70= 61 3/4"
D100
- '65-'71= 63 15/16"
- '72-'74= 64 3/8"
Spring Perch Widths
Measure center-to-center of spring perch
A BODY
- '66-73= 43"
B BODY
- '62-'70= 44"
- '71-'74= 47.3"
C BODY
- '65-'73= 46"
E BODY
- '70-'74= 46"
Carrier Types and Specifications
741
742
489
Year by Year Changes
Wiki Topic References:
Magazine References:
External Links
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