Re: CHEAP rear axle options for a 73 Dart Sport ?
[Re: Kern Dog]
#1616858
05/06/14 10:36 AM
05/06/14 10:36 AM
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Joined: May 2003
Posts: 15,487
Florida
scratchnfotraction
I Live Here
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I Live Here
Joined: May 2003
Posts: 15,487
Florida
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corret. a 94 jeep cherokee has the 43" perch centers..you will have to move them to the bottom of axle tube. IIRC, it is same as A-body axle width or very close. you can find the 8 1/4 or a dana 30/35 in the jeeps. the DAK rear axle are B-body size IIRC..or they use B-body 8 3/4 under them.. durango 8 1/4 or 9 1/4 may be a option..they look to have a 43" perch center but I have not been around one to measure yet. I have the A-body 8 3/4 in my 88-440 truck tucking 12" wide rims in the fenders. when I measured up the 94 jeep axle it got me the same measurements. drum to drum and spring perch (just wrong side of tube...used the top perches to line up the lower perches with the u-bolts) the ferd exploder 8.8 is another one ez to stick under A-body disc brakes 3.73/4.10 gears. the early 64-65 mustangs have the 9" or 8" rear axle that will fit under the A-body.. not sure if it bolts right in but supposed to be correct drum to drum. good luck junk yarding 
Last edited by scratchnfotraction; 05/06/14 10:38 AM.
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Re: CHEAP rear axle options for a 73 Dart Sport ?
[Re: scratchnfotraction]
#1616859
05/06/14 02:17 PM
05/06/14 02:17 PM
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Joined: Jun 2008
Posts: 10,847
Oakdale CT
gdonovan
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I Live Here
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Posts: 10,847
Oakdale CT
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I would think another 8.25 from a Dart or Duster would be the easiest option, usually people are giving them away and its a drop in. I had a good one here in CT I could not give away for $150
"I think its got a hemi"
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Re: CHEAP rear axle options for a 73 Dart Sport ?
[Re: Kern Dog]
#1616861
05/06/14 03:33 PM
05/06/14 03:33 PM
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Joined: Jan 2003
Posts: 25,849
Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,849
Rio Linda, CA
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Besides the width and spring perch locations, take into consideration the pinion offset when shopping for an alternate rear end.
The INTERNET, the MISinformation superhighway
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Re: CHEAP rear axle options for a 73 Dart Sport ?
[Re: Kern Dog]
#1616863
05/06/14 07:00 PM
05/06/14 07:00 PM
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Joined: Jan 2003
Posts: 28,068
Irving, TX
feets
Senior Management
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Senior Management
Joined: Jan 2003
Posts: 28,068
Irving, TX
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The 8-1/4 is strong enough for a typical street car. The weak link are the axles. They taper near the differential.
Dutchman builds some nice axles without the taper and at a good price. Kirk stuck them in his 75 Dart with a 3.55 limited slip out of a Dakota.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
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Re: CHEAP rear axle options for a 73 Dart Sport ?
[Re: RapidRobert]
#1616868
05/07/14 09:55 AM
05/07/14 09:55 AM
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Joined: May 2003
Posts: 15,487
Florida
scratchnfotraction
I Live Here
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I Live Here
Joined: May 2003
Posts: 15,487
Florida
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Quote:
Quote:
drum to drum and spring perch (just wrong side of tube...used the top perches to line up the lower perches with the u-bolts)
Michael I am in that same position with perches. did you just locate the new perches underneath (vertical plumb) from the OE top ones via the ubolts to locate the axle side to side? and then tilted the housing down to get the right nose down angle you wanted & then welded em?
Robert, yes. that is how I did it. used a level on the top perch while i adjusted pinion angle/squared up the perch center. tack weld perch to axle the removed axle to fully weld perch boxing the perch ends closed.
we used a94 jeep rear axle under a 69Dart to move around the yard..bolted the axle under the spring. then installed the A100 front straight axle/leafs to level the front off for a gasser build...never finished the steering/scraped it all for beer $
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Re: CHEAP rear axle options for a 73 Dart Sport ?
[Re: gdonovan]
#1616872
05/07/14 12:38 PM
05/07/14 12:38 PM
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Joined: Jan 2003
Posts: 20,183
Park Forest, IL
slantzilla
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Too Many Posts
Joined: Jan 2003
Posts: 20,183
Park Forest, IL
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Buddy of mine has an A body 8-1/4 he paid $300 for. SG with 4.10 gears. They are out there. Just have to be patient. 
"Everybody funny, now you funny too."
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$ is very important. 
