A body lower control arm shaft kit.

Benstruck said

Would it be best to remove shaft and continue pressing poly bushing until seated and then reinstall shaft?

Will the excess poly that is pushed past bottom seating area interfere with torsion bar installation?

I stopped pin installation when pin collar was firmly seated on poly collar. Rather than removing pin, would continued press on pin installed in poly bushing work or would the collar of pin start to go into poly bushing.

It would be nice if poly bushing was trimmed to correct length.

I’m new at this and don’t want to destroy this kit trying to install it.

Many thanks!

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Given the other comments on this thread I'm not entirely sure Proforged is making these bushings to the proper dimensions, although the factory was pretty loose on its tolerances as well so that could be compounding the issue. The pivot pin should not be peeling any poly bushing material with it when you install the pin in the bushing. It should be a tight slip fit, because the bushing has to spin on the pivot pin for the suspension to move. If the inner surface of the bushing is being damaged when the pin is installed, it will not work properly because it will not rotate smoothly on the pin when it's on the car. Did you grease the pins before you installed them?

When I install the poly bushings I install the bushing into the outer bushing shell of the LCA first, then install the pin after. Everything gets greased, the old outer shell, the outside of the LCA bushing, the inside of the LCA bushing and the pivot pin. The fit has to be right too, the bushing should be a tight slip fit into the old outer bushing shell and the pin should be a tight slip fit into the bushing. If the fit is not a tight slip fit, you need to replace the old outer shell so a tight slip fit is achieved. If the fit between the old shells, bushings and pins isn't a tight slip fit, you'll end up destroying the bushings in a short period of time.

Poly bushings do not function anything like the factory rubber bushings. With the rubber LCA bushings the bushing does not move against the pin or the outer shell, it's a friction fit. The LCA moves and the rubber bushing itself flexes between the inner and outer shells. Poly is too stiff to flex like that, when the LCA moves the poly LCA bushing rotates on the pivot pin (or in the outer shell). Since you have a sliding surface, it needs to be greased. And yeah, the surface needs to be smooth so if the pivot pin is peeling up bushing when you install it those bushings are already toast.