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Pad between the axle and a new leaf spring?
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jj94tt
Posted 2020-06-21 1:14 AM (#599932)
Subject: Pad between the axle and a new leaf spring?


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Posts: 27
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56 300B, new leaf springs from Detroit Eaton. Nice springs and hardware, but I am unclear about whether a pad is needed between the spring and axle or spring and shock mount bracket (bottom of u-bolt clamp)? The original pads are not in great shape and it looks like NOS is the only way to get them (so, not really available). Other info on Eaton's site says that pads are not necessary, but that info is not for this specific application. It looks like that has been discussed before on here, and that later full-size Chryslers did not have pads in that location. Is it OK to ditch the pads for a '56 application. Note: I am not going for judge points.

Thanks.
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56D500boy
Posted 2020-06-21 1:59 AM (#599934 - in reply to #599932)
Subject: RE: Pad between the axle and a new leaf spring?



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I was hoping that this diagram would help but it doesn't call out any pads. There is a listing for "Insulator" in Section 17-11-10 but it doesn't show up in any diagrams. Sorry.



(55-58RearSpringDetails.jpg)



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mikes2nd
Posted 2020-06-21 2:51 AM (#599935 - in reply to #599932)
Subject: Re: Pad between the axle and a new leaf spring?


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i would try some thick nylon strap webbing?
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springsweptwing
Posted 2020-06-21 7:19 AM (#599939 - in reply to #599932)
Subject: RE: Pad between the axle and a new leaf spring?


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Location: Blackpool, United Kingdom.
I managed to find NOS top ones and used fabric converoy belting for lower and spring pads.



(20161205_175515-1024x576.jpg)



(conv-belt-o37znsk1fj1or7dj1v61oc6legl9ofaqnfe336m2vs.jpg)



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60 dart
Posted 2020-06-21 3:56 PM (#599968 - in reply to #599932)
Subject: Re: Pad between the axle and a new leaf spring?



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why would a sound insulator be needed on top or below a leaf spring , when any noise comes from missing/not used ones in between leafs -----------------------------------------later
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mikes2nd
Posted 2020-06-21 4:56 PM (#599970 - in reply to #599932)
Subject: Re: Pad between the axle and a new leaf spring?


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factory came with that setup man... top and bottom. 1/16 thick. I was able to reuse mine....
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jj94tt
Posted 2020-06-21 6:13 PM (#599975 - in reply to #599932)
Subject: RE: Pad between the axle and a new leaf spring?


Member

Posts: 27
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The one side had pretty much nothing left... passenger side is pictured below. From what I gather, they are not really needed and later year full size Chryslers did not have them.






(20200621_171236 (Small).jpg)



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jj94tt
Posted 2020-06-21 6:19 PM (#599976 - in reply to #599932)
Subject: RE: Pad between the axle and a new leaf spring?


Member

Posts: 27
25
I've got bigger problems though. :/ One front hanger bracket is half gone. Wonder if I have to have one fabricated.







(20200621_152017 (Small).jpg)



(20200621_152108 (Small).jpg)



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springsweptwing
Posted 2020-06-22 7:23 AM (#599997 - in reply to #599968)
Subject: Re: Pad between the axle and a new leaf spring?


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Location: Blackpool, United Kingdom.
60 dart - 2020-06-21 8:56 PM

why would a sound insulator be needed on top or below a leaf spring , when any noise comes from missing/not used ones in between leafs -----------------------------------------later


Hi Chuck,

They are supposed to isolate axle noise travelling down spring to frame, upper and lower isolates axle from spring, over engineering, larger front bushes in later models probably dampen noise better?
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22mafeja
Posted 2020-06-24 1:40 AM (#600075 - in reply to #599976)
Subject: RE: Pad between the axle and a new leaf spring?


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Posts: 172
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Location: Finland
I would fabricate them myself. Make paper templates for bottom and sides and cut with your angle grinder. Then make a radius on both sides and bottom in a wise before you weld the together.
Fixate with a wood block between sides and a clamp while welding.
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57chizler
Posted 2020-06-25 2:35 PM (#600109 - in reply to #599997)
Subject: Re: Pad between the axle and a new leaf spring?



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springsweptwing - 2020-06-22 4:23 AM



Hi Chuck,

They are supposed to isolate axle noise travelling down spring to frame,?


But the spring is isolated from the frame by rubber bushings front/rear.
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60 dart
Posted 2020-06-25 3:15 PM (#600110 - in reply to #600109)
Subject: Re: Pad between the axle and a new leaf spring?



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57chizler - 2020-06-25 2:35 PM

springsweptwing - 2020-06-22 4:23 AM



Hi Chuck,

They are supposed to isolate axle noise travelling down spring to frame,?


But the spring is isolated from the frame by rubber bushings front/rear.



. < like button --------------------------later
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