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56 Dodge D500 Springs and Front Sway Bar Part Numbers
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Posted 2020-01-16 8:48 PM (#593066)
Subject: 56 Dodge D500 Springs and Front Sway Bar Part Numbers

Expert 5K+

Posts: 5670
Location: Lower Mainland BC
Let me first say, I in no way set out to contradict any previous discussions, especially any made by those no longer able to discuss the topic (think d500Neil (Neil Vedder)). That said, I might have bumped into information that does just that. (Sorry Neil, RIP)

Before I get started, it might be good to show the generic front and rear spring definition diagrams (primarily to show the sections where the PN listings are located)

see Front and Rear Spring Diagrams below

So, jumping in, when the 56 D500s were first announced to the public on Dec. 22, 1955, the information was somewhat incomplete. But there were, for example, front spring and rear spring PNs for this new D500. The front D500 springs were given a PN of 1630 161 and the rear springs PN 1675 690. The 1630 161 front springs were unique to the D500 but the 1675 690 six-leaf rear springs were shared with the P29 Plymouth Fury.

See 1630 161 and 1675 690 PN listings below

The photo below (courtesy of Dave H.) shows the normal 5 leaf 56 Dodge rear spring (5 leafs) and the 56 Dodge D500 rear spring (6 leafs)

See spring photo below

I am not sure what happened between December 22, 1955 and January 12, 1956 but by January 12th, there was a new Bulletin issued with some new part numbers for the springs, presumably more heavy-duty to meet racing needs.

See the Jan 12, 1955 Bulletin below

The new listing for optional (racing) front springs was PN 1618 084 which was listed as both the Left, Heavy Duty, C67 AFTER W55-40073, C71, except Estate Wagon and the Right, Heavy Duty, C68, C72, except Estate Wagon. I think the take away, is Heavy Duty springs from the Senior Chryslers (BUT not Imperials).

The new listing for the optional (racing) rear springs was PN 1635 594 which is listed as the Heavy Duty, non-Suburban (wagon) rear 55-56 Dodge and Plymouth Taxi spring. I don't have photos of this spring but I assume that it would have more leafs than the normal D500 spring. You might note that in the earlier D500 Rear Spring thread there was conjecture that the heavy duty rear racing spring would have come from the 120 in wheel base Dodge station wagons. Turns out that this is wrong since the heavy duty suburban rear springs were listed as 1635 602, not the 1635 594 that was called out in the Jan. 12th Bulletin.

See 1618 084 and 1635 594 PN listings below

Finally there was the front anti-sway bar, i.e. sway eliminator (bar). There was no PN given in the Dec. 22, 1955 announcement but there was a PN given in the January 12th Bulletin. That PN was 1639 165 which crossed all the 56 Desotos and Chryslers, i.e. heavy duty for a lowly Dodge.

See Sway Eliminator Diagram and 1639 165 PN listing below

One Previous 56 D500 Rear Spring Thread:

Edited by 56D500boy 2020-01-17 1:43 AM












Attachments 55-56FrontSuspensionDiagramFlaggingTheSteeringKnuckleSupport.jpg (123KB - 12 downloads)
Attachments 55-56GenericRearSpringDiagram.jpg (91KB - 11 downloads)
Attachments CleanImageOfTheDec22_1955_J10D500Bulletin.jpg (211KB - 11 downloads)
Attachments 56D500Parts_FrontSprings1630161.jpg (184KB - 11 downloads)
Attachments 56D500Parts_RearSprings1675690SharedWith56Fury.jpg (177KB - 11 downloads)
Attachments ComparisonOf5LeafAnd6LeafSprings.jpg (169KB - 11 downloads)
Attachments Jan12_1956_SupplementToB_BulletinJ10.jpg (203KB - 11 downloads)
Attachments 56D500Parts_FrontSprings1618084.jpg (169KB - 11 downloads)
Attachments 56D500Parts_RearSprings1635594HeavyDutySharedWith56PlymouthAndDodgeTaxis.jpg (152KB - 11 downloads)
Attachments Generic55-56FrontSwayEliminatorDiagram.jpg (50KB - 10 downloads)
Attachments 56D500Parts_FrontSwayBar_16939165_CrossTo56DesotosAndChryslers.jpg (205KB - 11 downloads)
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Posted 2020-01-17 6:23 PM (#593118 - in reply to #593066)
Subject: RE: 56 Dodge D500 Springs and Front Sway Bar Part Numbers

Expert 5K+

Posts: 5670
Location: Lower Mainland BC
Forgot that I had these photos of a July 56 build 56 D500 that only had the five leaf springs that I took and photos of a D500-1 "Race Car" chassis springs that I was given by Gary R. (Thanks Gary). These ones have 7 leafs on the right side and 8 leafs on the left side (Yikes!!). Not sure if these are the taxi springs or not (nothing to compare to).

Edited by 56D500boy 2020-01-17 7:58 PM







Attachments LangleyBC56DodgeD500Coronet_RightSideViewWithDodgeBadge.jpg (133KB - 11 downloads)
Attachments LangleyBC56DodgeD500Coronet_BodyDataPlate_CloseUp.jpg (198KB - 11 downloads)
Attachments LangleyBC56DodgeD500Coronet_EngineBay_RightSide.jpg (170KB - 12 downloads)
Attachments 56D500With5LeafSprings_July56Build.jpg (136KB - 11 downloads)
Attachments D500Dash1RaceCarRightRearSpring_7Leafs.jpg (167KB - 11 downloads)
Attachments D500Dash1RaceCarLeftRearSpring_8Leafs.jpg (213KB - 11 downloads)
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