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Old 08-19-2007, 03:52 PM
HellCreek HellCreek is offline
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Join Date: Jun 11, 2007
Location: New Albany, Mississippi
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FSJ Bushing Sizes

I have seen several threads here requesting sizes on FSJ bushings, and I thought I would try to help, so here goes: ( I am going to group Wagoneers, Grand Wagoneers and Cherokees together under the heading "SJ" to keep the thread shorter, but I do know that there is a difference - just not in the spring bushings. Also, the sizes are at the bottom of this post.)

SJs

1963-73 SJ front springs use a RB-71 (RB-128) anchor bushing and a RB-85 shackle bushing.

1963-73 SJ rear springs use a RB-87 anchor (post) bushing and a RB-85 shackle bushing.

1974-75 SJ front springs use a RB-71 anchor bushing and a RB-85 (RB-140) shackle bushing.

1974-75 SJ rear springs use a RB-141 anchor (post) bushing and a RB-85 shackle bushing.

1976-91 SJ front springs use a RB-71 (RB-145) anchor bushing and a RB-85 shackle bushing.

TRUCKS with Rubber Bushings

1963-73 J-truck front springs with rubber bushings use a RB-86 anchor (post) bushing and a RB-79 shackle bushing.

1974-87 J-truck front springs with rubber bushings use a RB-71 (RB-145) anchor bushing and a RB-85 (RB-140) shackle bushing.

1963-69 J-truck rear springs with rubber bushings use a RB-87 anchor (post) bushing and a RB-85 shackle bushing.

1970-75 J-truck rear springs with rubber bushings use a RB-141 (RB-123) anchor (post) bushing and a RB-85 shackle bushing.

1976-87 J-truck rear springs with rubber bushings use a RB-153 anchor bushing and a RB-85 shackle bushing.

TRUCKS with Brass Bushings

1963-73 J-truck front springs with brass bushings use a LHC bushing on both ends.

1963-69 J-truck rear springs with brass bushings use either a LHE bushing for the 7/8" post mount or a NJE bushing for the 1" post mount and a LHE shackle bushing.

1970-73 J-truck rear springs with brass bushings use a NJE bushing on the anchor (post) end and a LHE bushing on the shackle end.

Bushing Sizes

RB-71 1-1/2" O.D. 9/16" I.D. 2-1/2" spring width
RB-79 1-3/4" O.D. 9/16" I.D. 2" spring width
RB-85 1-1/4" O.D. 9/16" I.D. 2-1/2" spring width
RB-86 1-1/2" O.D. 7/8" I.D. 2" spring width
RB-87 1-1/2" O.D. 7/8" I.D. 2-1/2" spring width
RB-123 use RB-141
RB-128 use RB-71
RB-140 use RB-85
RB-141 1-3/4" O.D. 1" I.D. 2-1/2" spring width
RB-145 use RB-71
RB-153 2" O.D. 9/16" I.D. 2-1/2" spring width

LHC 1-1/8" O.D. 7/8" I.D. 2" spring width
LHE 1-1/8" O.D. 7/8" I.D. 2-1/2" spring width
NJE 1-1/4" O.D. 1" I.D. 2-1/2" spring width

There are probably exceptions to this list (they are, after all, Jeeps), but I hope this helps someone.

Thanks,
Tom
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Old 08-19-2007, 03:58 PM
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Stuka Stuka is offline
 
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Would you mind if I put this up in the FSJ Networks FAQ section? I think you may have posted it there once before, I need to look.
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  #3  
Old 08-19-2007, 06:30 PM
HellCreek HellCreek is offline
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Join Date: Jun 11, 2007
Location: New Albany, Mississippi
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Hi, Stuka,

Use it wherever you can with my blessing. What I posted on FSJN was the spring sizes. Kaiserman archived it on this forum.

Thanks,
Tom
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Old 08-19-2007, 06:57 PM
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srobertsfsj srobertsfsj is offline
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Great Info. Thanks!!
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Old 08-19-2007, 09:35 PM
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fulsizjeep fulsizjeep is offline
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Wow, yeah nice contribution! That will help on a couple things going on around here. Thanks!
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