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aar rear spring higth

merkamp

Well-Known Member
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Jun 26, 2020
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i restored my aar rear springs with part number 3400048 and installed. passinger side leaned. i ordered new leaf springs from eaton detroit springs. put next to my originals and they dont have near the arch as mine. i talked to them they said aar springs were susposed to measure 7 7/8 in. arch my original measure 8.5 the new ones measure 7.25. does anyone know what is correct for a aar cuda. they said my originals have been altered.
 
Part No.​
Years​
Body Style/Remarks​
Width​
PL-1 S.E.
(A)​
PL-1 L.E.
(B)​
Eye/Bush S.E.​
Eye/Bush L.E.​
Arch(C)​
No. of Leaves​
Pack Thk.
(D)​
Spring Capacity​

78-523​

1964-67​
6​

2 1/2​

20​

35​

Std/RB-60​

Std/HB-891

7 1/8​

6​

1 7/16​

620​

78-591​

1968-69​
6​

2 1/2​

20​

35​

Std/RB-109​

Std/HB-891

6 3/8​

5​

1 3/16​

560​

78-593​

1964-69​
V8 except 383; 6 Heavy​

2 1/2​

20​

35​

Std/RB-60​

Std/HB-891

5 3/4​

6​

1 1/2​

620​

1964-69​
383; V8 except 383 heavy​

2 1/2​

20​

35​

Std/RB-91​

Std/HB-891

5 5/8​

6​

1 9/16​

760​

33-909​

1964-69​
2 1/2″ Lift; Except 1968-69 with 6​

2 1/2​

20​

35​

Std/RB-60​

Std/HB-891

7 5/8​

6​

1 1/2​

640​

78-615​

1970-71​
Except 426 and 440​

2 1/2​

22​

35​

Std/RB-60​

Std/HB-889

6 1/4​

5​

1 7/16​

680​

1970-71​
426 and 440; Left​

2 1/2​

22​

35​

Std/RB-91​

Std/HB-889

5 3/4​

6​

1 11/16​

720​

1970-71​
426 and 440; Right​

2 1/2​

22​

35​

Std/RB-91​

Std/HB-889

5 3/4​

6​

1 11/16​

720​

33-339​

1972-73​
318​

2 1/2​

22​

35​

Std/RB-60​

Std/HB-889

8 3/8​

5​

1 5/16​

710​

33-341​

1972-73​
340​

2 1/2​

22​

35​

Std/RB-91​

Std/HB-889

7​

5​

1 7/16​

760​

1970-73​
2″ Lift; All​

2 1/2​

22​

35​

Std/RB-60​

Std/HB-889

7 7/8​

6​

1 1/2​

720​

78-711​

1974​
318​

2 1/2​

22​

35​

Std/RB-121​

Std/HB-889

8 3/8​

5​

1 5/16​

710​

78-713​

1974​
360​

2 1/2​

22​

35​

Std/RB-114​

Std/HB-889

7​

5​

1 7/16​

760​
 
Can you provide a link to what you got? I'm thinking their correct.
there web site does not give any measurement other than 2.5 wide 5 leaf. i don't see one on your post that fits.
.the closest has 6 leafs. i can not find the 3400048 in any assembly manual the same for any aar parts
 
I have a nice set of originals, that I haven't used for fear of being too high.
Sitting on the spring eyes, hard to read without dragging them out, but I would say 8.75".

20240315_210643.jpg
 
i will install new ones and see how they look THANK FOR THE HELP!
 

Part No.​

Years​

Body Style/Remarks​

Width​

PL-1 S.E.
(A)​

PL-1 L.E.
(B)​

Eye/Bush S.E.​

Eye/Bush L.E.​

Arch(C)​

No. of Leaves​

Pack Thk.
(D)​

Spring Capacity​


78-523​


1964-67​
6​


2 1/2​


20​


35​


Std/RB-60​


Std/HB-891


7 1/8​


6​


1 7/16​


620​


78-591​


1968-69​
6​


2 1/2​


20​


35​


Std/RB-109​


Std/HB-891


6 3/8​


5​


1 3/16​


560​


78-593​


1964-69​
V8 except 383; 6 Heavy​


2 1/2​


20​


35​


Std/RB-60​


Std/HB-891


5 3/4​


6​


1 1/2​


620​


1964-69​
383; V8 except 383 heavy​


2 1/2​


20​


35​


Std/RB-91​


Std/HB-891


5 5/8​


6​


1 9/16​


760​


33-909​


1964-69​
2 1/2″ Lift; Except 1968-69 with 6​


2 1/2​


20​


35​


Std/RB-60​


Std/HB-891


7 5/8​


6​


1 1/2​


640​


78-615​


1970-71​
Except 426 and 440​


2 1/2​


22​


35​


Std/RB-60​


Std/HB-889


6 1/4​


5​


1 7/16​


680​


1970-71​
426 and 440; Left​


2 1/2​


22​


35​


Std/RB-91​


Std/HB-889


5 3/4​


6​


1 11/16​


720​


1970-71​
426 and 440; Right​


2 1/2​


22​


35​


Std/RB-91​


Std/HB-889


5 3/4​


6​


1 11/16​


720​


33-339​


1972-73​
318​


2 1/2​


22​


35​


Std/RB-60​


Std/HB-889


8 3/8​


5​


1 5/16​


710​


33-341​


1972-73​
340​


2 1/2​


22​


35​


Std/RB-91​


Std/HB-889


7​


5​


1 7/16​


760​


1970-73​
2″ Lift; All​


2 1/2​


22​


35​


Std/RB-60​


Std/HB-889


7 7/8​


6​


1 1/2​


720​


78-711​


1974​
318​


2 1/2​


22​


35​


Std/RB-121​


Std/HB-889


8 3/8​


5​


1 5/16​


710​


78-713​


1974​
360​


2 1/2​


22​


35​


Std/RB-114​


Std/HB-889


7​


5​


1 7/16​


760​
THat's a great chart. What site did that come from? I would like to share it on other sites.
 
 
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