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92 C4 Complete Bushing Install (Help?)

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Old Apr 22, 2020 | 09:58 PM
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Default 92 C4 Complete Bushing Install (Help?)

The quarantine has me getting to things that I hadn't thought I would have time for yet, one of those things is a complete suspension overhaul. I put in brand new BB8 Bilsteins about two months ago and during the process I realized how bad the majority of my bushings were. Now I have a full set of Prothane Motion Control Bushings in my living room. Before the process I was looking to get more information on what I was getting into, so here I am asking for yalls help. Mostly I need the torque values for all the suspension pieces I will be touching. I know they are all located in the Service Manuals but I haven't got one. So torque values would be amazing plus any steps procedures that any of you have followed. I am working on getting a hydraulic press because I heard that makes a huge difference. Thanks in advance!
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Old Apr 23, 2020 | 01:25 PM
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If you can return them without monetary loss, you should consider getting Super Pro bushings. They are not hard like the majority of poly bushings are, and for the most part, are one piece, instead of 2. This is because you can push them through the suspension pieces.

I bought Super Pro for the batwing bushings. I have some regular poly that will go on eBay to try and recover my investment to some degree. I found out about Super Pro after buying the name brand poly bushings. There is absolutely NO comparison.

The one caveat, Super Pro are a bit more expensive.
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Old Apr 23, 2020 | 01:39 PM
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Originally Posted by drcook
They are not hard like the majority of poly bushings are, and for the most part, are one piece, instead of 2. This is because you can push them through the suspension pieces.
i am in the process of installing the super pro bushings in my 91 zr-1 and it is a bee-och getting them pressed in. the batwing bushings were a pain going in but mission accomplished. now i'm tackling the camber rods. after much futzing ( had to increase the chamfer on the rod bores ) i got the smaller bushings in. looks like i may need to do the same for the large bores as i have tried getting one in unsuccessfully.
the po had polys in there, which was pretty easy to remove, but the grease around the bushings and then some of the poly bushings were torn, it was definitely time to replace.
i have a set of banski camber rods, toe rods, and trailing rods that i may put in and see how harsh the ride is. they have been setting on a rear end for the last 6-7 years and figure now may be the time to actually use them. if the wife can handle the ride i may leave them in.
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Old Apr 23, 2020 | 02:12 PM
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Did you put some dish soap on them ? Use a vise and socket to push them through ? There is at least one vid on youtube showing how easy it is to push them through using a vise and sockets to push.
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Old Apr 23, 2020 | 05:09 PM
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Originally Posted by drcook
Did you put some dish soap on them ?
i used soap, no good. i used poly grease, no good.
Use a vise and socket to push them through ?
first i tried using my ball joint tools, no go. then i tried the vise method, no go.
There is at least one vid on youtube showing how easy it is to push them through using a vise and sockets to push.
i did notice that the chamfered edge on the bushing was larger in diameter than the chamfer on the arm.
what i ended up using was a bmfh and they popped in pretty good. had to create a larger chamfer on a couple of the arms.
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Old Apr 23, 2020 | 06:03 PM
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Just finishing up installing SuperPro bushing all the way around on my 94 ZR-1. My hydraulic shop press was essential. Made up some install tools on the lathe so they would push in without to much of a fight. For a street driven car no question SuperPro bushings are far superior to the hard urethane bushings I had in before.
http://www.zr1.net/forum/showthread....light=superpro

Last edited by Jagdpanzer; Apr 23, 2020 at 08:01 PM.
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