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1970 318 E body What rear axle should it have?
#1530754
11/09/13 06:57 PM
11/09/13 06:57 PM
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Joined: Mar 2003
Posts: 4,848
Memphis
HemiRick
OP
master
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OP
master
Joined: Mar 2003
Posts: 4,848
Memphis
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I'm thinking they should be 8 3/4 but my 70 convertible has a 8.25 rear? It appears to be original. Is this correct?
Take care,
Rick
68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451
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Re: 1970 318 E body What rear axle should it have?
[Re: 440newport]
#1530756
11/09/13 07:12 PM
11/09/13 07:12 PM
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Joined: Aug 2003
Posts: 12,291
Kent, Wa
340SHORTY
Truck Nut
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Truck Nut
Joined: Aug 2003
Posts: 12,291
Kent, Wa
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A friends 70 Grand Coupe had a 7 1/4.. An 8 1/4 reae end is actuall pretty stout..
I am truckless..
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Re: 1970 318 E body What rear axle should it have?
[Re: Finoke]
#1530766
11/10/13 02:25 AM
11/10/13 02:25 AM
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Joined: Mar 2003
Posts: 4,848
Memphis
HemiRick
OP
master
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OP
master
Joined: Mar 2003
Posts: 4,848
Memphis
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Ok So it must be a 7.25 and it must also be factory....it sure looks it. Thanks
Take care,
Rick
68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451
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Re: 1970 318 E body What rear axle should it have?
[Re: HemiRick]
#1530767
11/10/13 12:45 PM
11/10/13 12:45 PM
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Joined: Dec 2007
Posts: 18,160
Mass
DAYCLONA
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 18,160
Mass
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Quote:
Ok So it must be a 7.25 and it must also be factory....it sure looks it. Thanks
This might help...
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Re: 1970 318 E body What rear axle should it have?
[Re: mopfried]
#1530769
11/10/13 02:42 PM
11/10/13 02:42 PM
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Joined: Nov 2003
Posts: 12,495
Western Colorado High Desert
moparmarks
I Live Here
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I Live Here
Joined: Nov 2003
Posts: 12,495
Western Colorado High Desert
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Most have the 8.75. /6 and maybe a few 318 cars had the 7.25. Maybe a few /6 cars had the 8.75.
The 8.25 was not made in the E-body specs. No 8.25 E's.
72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/motormangj@gmail.com
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Re: 1970 318 E body What rear axle should it have?
[Re: DAYCLONA]
#1530770
11/10/13 02:46 PM
11/10/13 02:46 PM
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Joined: Nov 2003
Posts: 12,495
Western Colorado High Desert
moparmarks
I Live Here
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I Live Here
Joined: Nov 2003
Posts: 12,495
Western Colorado High Desert
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Quote:
Quote:
Ok So it must be a 7.25 and it must also be factory....it sure looks it. Thanks
This might help...
That chart is not completely accurate.
7.25 was use in E-body
8.25 used 69 and up B. Most 71 B's had them
8.75 was used through 74 in trucks and B-body and E.
9.25 was never used in a 72 B and early 73. Showed up in trucks in 75
72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, . Moparmarks Parts & Restorations Desert Mopar Metal Grand Jct. CO 970-261-7039 http://moparmark.com/motormangj@gmail.com
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Re: 1970 318 E body What rear axle should it have?
[Re: moparmarks]
#1530771
11/10/13 08:52 PM
11/10/13 08:52 PM
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Joined: Dec 2007
Posts: 18,160
Mass
DAYCLONA
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 18,160
Mass
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Quote:
Quote:
Quote:
Ok So it must be a 7.25 and it must also be factory....it sure looks it. Thanks
This might help...
That chart is not completely accurate.
7.25 was use in E-body
8.25 used 69 and up B. Most 71 B's had them
8.75 was used through 74 in trucks and B-body and E.
9.25 was never used in a 72 B and early 73. Showed up in trucks in 75
Thanks Mark  I provided the pic more as a visual aid as most people get confused when they see the 7 1/4 axle....the 8 3/4 is an easy ID, but it's funny when some think the 7 1/4 is a DANA 60 
Mike
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Re: 1970 318 E body What rear axle should it have?
[Re: moparmarks]
#1530773
11/11/13 12:35 AM
11/11/13 12:35 AM
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Joined: Jan 2003
Posts: 4,105
Horsham, Pa.
Finoke
master
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master
Joined: Jan 2003
Posts: 4,105
Horsham, Pa.
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Quote:
Does kinda look like a little baby Dana. 
Not to hijack the thread but....
Is there a trick to getting the plug out of the 7 1/4 to check the level and to change the gear oil? I haven't had much success and I'm guessing the lube is original to the car.
Also, would a 7 1/4 have a ratio tag???
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