Bulging urethane shock bushes

[lostmarbles]

Hi there.

Just wondering if others are having the same trouble as me when fitting urethane shock bushes. (And if so, what have you done to cure it?)

Here's what happens:



You can see that when I fit the bushes correctly (with the convex sides of the washers against the urethane) they tend to bulge/squish out before I can get the nuts snugged up completely.

I'm using using "Super Pro SP1178-16K" bushes made by Fulcrum Suspensions in Queensland Australia. And unlike OEM rubber bushes, they don't come as separate halves. In other words, there are just 2 urethane bushes per shock and they are so soft/flexible that you can push them through the shock eyes relatively easily (once they are well lubricated with silicone grease).

 

[lostmarbles]

To solve the problem with my front suspension I turned the washers the wrong way around:

 

[lostmarbles]

And to solve the problem with my rear suspension I left the washers the correct way around but simply didn't tighten the nuts fully:







Comments/criticisms welcome. (What would you do?)

 

[Michael Hanson]

If it works I see no problem.Seems like all after market requires some playing around with. Mike

 

[lostmarbles]

If it works I see no problem.Seems like all after market requires some playing around with. Mike

Thanks Mike.

I think I prefer what I've done with the rear because having the convex sides of the washers against the urethane provides less risk of the shock eyes touching the washers on "max suspension flex".

Cheers
Tom