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1957/58/59 Dodge/Plymouth leaf springs #2560075
10/06/18 08:52 PM
10/06/18 08:52 PM
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CrAzYMoPaRGuY Offline OP
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Well, I measured and looked. My 58 Dodge rear leaf springs have 20" front segments and 35" rear segments, 55" overall length. Unless I'm wrong they are A body spring dimensions. Exactly.
I've heard to run 5 leaf A body springs....

Anybody have any useful first hand advice or tips? Thanks


CrAzYMoPaRGuY
Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: CrAzYMoPaRGuY] #2560462
10/07/18 07:13 PM
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John_Kunkel Offline
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'62-'63 B-bodies have the same segment lengths and might be a better choice for weight-carrying ability.


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Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: John_Kunkel] #2560693
10/08/18 04:54 AM
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Originally Posted By John_Kunkel
'62-'63 B-bodies have the same segment lengths and might be a better choice for weight-carrying ability.


You are figuring the rear of the 58 considerably heavier than most A bodies I assume?


CrAzYMoPaRGuY
Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: CrAzYMoPaRGuY] #2561139
10/08/18 11:04 PM
10/08/18 11:04 PM
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Freeport IL USA
poorboy Offline
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According to the standard catalog of Chrysler, 1924-1990:
A 58 Dodge Coronet 2 door sedan had a shipping weight of 3505lbs.
A 58 Plymouth Fury 2 door club sedan had a shipping weight of 3240 lbs - 3370 lbs. : A 4 door Fury sedan at 3255 lbs - 3430 lbs

The same book lists a 71 Duster with a shipping weight of 2825 lbs - 2920 lbs
A 71 340 Duster at 3140 lbs. : A 4 door Valiant at 2835 lbs - 2935 lbs

The book lists a 63 Belvedere 2 door sedan at 3000 lbs - 3215 lbs
A 2 door ht at 3025 lbs - 3190 lbs : A 4 door sedan at 3020 lbs

The book lists a 69 383 Road Runner at 3435 lbs coupe and 3450 lbs HT

Looks to me the A body weighs about the same as the 63 B body and both are a little light, but the 69 B Body's are closer in weight to the 58 cars. Gene

Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: CrAzYMoPaRGuY] #2561158
10/08/18 11:28 PM
10/08/18 11:28 PM
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tri-cities Washington/Denver, ...
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5280Dart Offline
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You are correct, the A-body spring dimensions are the same. So much so, I run caltrac monoleaf springs and bars for an A-body in my 1957 plymouth. ...

Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: 5280Dart] #2562764
10/12/18 04:07 AM
10/12/18 04:07 AM
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CrAzYMoPaRGuY Offline OP
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Originally Posted By 5280Dart
You are correct, the A-body spring dimensions are the same. So much so, I run caltrac monoleaf springs and bars for an A-body in my 1957 plymouth. ...


Perfect. lol
How do you like how it sits?
Do you think a set of A body springs 5 leafs per side would dit a little too high or should be ok?
Any pics?


CrAzYMoPaRGuY
Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: poorboy] #2562765
10/12/18 04:09 AM
10/12/18 04:09 AM
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Originally Posted By poorboy
According to the standard catalog of Chrysler, 1924-1990:
A 58 Dodge Coronet 2 door sedan had a shipping weight of 3505lbs.
A 58 Plymouth Fury 2 door club sedan had a shipping weight of 3240 lbs - 3370 lbs. : A 4 door Fury sedan at 3255 lbs - 3430 lbs

The same book lists a 71 Duster with a shipping weight of 2825 lbs - 2920 lbs
A 71 340 Duster at 3140 lbs. : A 4 door Valiant at 2835 lbs - 2935 lbs

The book lists a 63 Belvedere 2 door sedan at 3000 lbs - 3215 lbs
A 2 door ht at 3025 lbs - 3190 lbs : A 4 door sedan at 3020 lbs

The book lists a 69 383 Road Runner at 3435 lbs coupe and 3450 lbs HT

Looks to me the A body weighs about the same as the 63 B body and both are a little light, but the 69 B Body's are closer in weight to the 58 cars. Gene


If strictly overall weight was the only factor this would be easy! I think the 57/58/59 Plymouths and Dodges are very close to an A body rear spring with 5 leafs per side, but MIGHT sit a touch high....


CrAzYMoPaRGuY
Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: CrAzYMoPaRGuY] #2564605
10/15/18 09:47 PM
10/15/18 09:47 PM
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STL ,MO
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Handygun Offline
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My 58 suburban was about 4250, real curb wt. With the 392/518 a lot of that weight was upfront but that's a lot heavier than a a-body.

Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: CrAzYMoPaRGuY] #2564637
10/15/18 11:02 PM
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Freeport IL USA
poorboy Offline
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One would expect a wagon to be heavier then a 2 door coupe or sedan. 4250 is in the range of a C body or a 70s 4x4 pickup.

Is your 392 an old Hemi or a new Hemi? Gene

Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: Handygun] #2565217
10/17/18 02:49 AM
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Originally Posted By Handygun
My 58 suburban was about 4250, real curb wt. With the 392/518 a lot of that weight was upfront but that's a lot heavier than a a-body.


lol When I'm finished I'll weigh and post the weight.


CrAzYMoPaRGuY
Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: poorboy] #2565219
10/17/18 02:53 AM
10/17/18 02:53 AM
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Originally Posted By poorboy
One would expect a wagon to be heavier then a 2 door coupe or sedan. 4250 is in the range of a C body or a 70s 4x4 pickup.

Is your 392 an old Hemi or a new Hemi? Gene


3750 curb weight with a 6!!


CrAzYMoPaRGuY
Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: CrAzYMoPaRGuY] #2567113
10/20/18 11:31 PM
10/20/18 11:31 PM
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Handygun Offline
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It's the orig Gene, and other than the HH intake everything else is Chrysler.

Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: 5280Dart] #2567128
10/21/18 12:22 AM
10/21/18 12:22 AM
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Originally Posted By 5280Dart
You are correct, the A-body spring dimensions are the same. So much so, I run caltrac monoleaf springs and bars for an A-body in my 1957 plymouth. ...


Combination of A body super stock, and original springs in my '58 Sport suburban.


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Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: CrAzYMoPaRGuY] #2567168
10/21/18 02:40 AM
10/21/18 02:40 AM
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I just ordered P3412002 and P3412003 SuperStock springs. Will see how it goes!!!!


CrAzYMoPaRGuY
Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: CrAzYMoPaRGuY] #2569929
10/26/18 08:43 PM
10/26/18 08:43 PM
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Spaceman Spiff Offline
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Originally Posted By CrAzYMoPaRGuY
I just ordered P3412002 and P3412003 SuperStock springs. Will see how it goes!!!!


you need to press out the metal sleeve on your factory bushings, and press it into the metal sleeve on the super stock springs. the bolt diameters are different.


526 cubes of angry wedge, pushbutton shifted, 9 passenger killer!
Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: Spaceman Spiff] #2570061
10/27/18 01:22 AM
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Originally Posted By Spaceman Spiff
Originally Posted By CrAzYMoPaRGuY
I just ordered P3412002 and P3412003 SuperStock springs. Will see how it goes!!!!


you need to press out the metal sleeve on your factory bushings, and press it into the metal sleeve on the super stock springs. the bolt diameters are different.


Ha! Never heard that, thanks for the warning!!


CrAzYMoPaRGuY
Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: CrAzYMoPaRGuY] #2570500
10/28/18 08:19 AM
10/28/18 08:19 AM
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AZ
Mike P Offline
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I used super stock springs on the 57 Dodge I built 20 years ago and I do remember I had to drill the front spring perches for a larger bolt.



.


1957 Plymouth (Hemi, Dual Quads, A833 4 Speed 9 1/4 w 4.10) Sold
1937 Dodge Pickup (Hemi, 6X2 intake, 46RH, Dana 60 w 4.56) Sold
1968 Plymouth Valiant 2dr sedan (354 HEMI, 46RH w/4.30 gears)
Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: CrAzYMoPaRGuY] #2570816
10/29/18 12:22 AM
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It would be a lot easier to drill the steel bushing to a larger diameter then it would be to press out the old steel bushing and press in a different one. Those rubber pieces don't like to give up steel inserts very well. Gene

Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: poorboy] #2570896
10/29/18 11:17 AM
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moparx Offline
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if the super stock springs have a larger diameter bolt bushing than your original springs, i would drill out your original spring hanger to fit the bolt size of the SS springs.
beer

Re: 1957/58/59 Dodge/Plymouth leaf springs [Re: moparx] #2572889
11/02/18 03:51 AM
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Originally Posted By moparx
if the super stock springs have a larger diameter bolt bushing than your original springs, i would drill out your original spring hanger to fit the bolt size of the SS springs.
beer


Yup! I'll use A body bolts for sure! Thanks guys!! Got one spring already, second coming this weekend


CrAzYMoPaRGuY
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