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Boge replaced with Bilstein Shock

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Old 02-05-2016, 08:00 PM
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John L. Gormley
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Default Boge replaced with Bilstein Shock

I'm replacing the original Boge shocks with Bilstein on the front of my 1985 928 which has resulted in a question. Do I:

1. Keep supporting cover 928 333 551 00 even though it does not slid over Bilstein shock? It appears Boge was a slightly smaller diameter shock. Unfortunately, I tossed them before confirming. Anyway, the support cover just sits on top of the larger Bilstein.

2. Discard?

3. Discard and replace with a flat washer to support the fiber washer and bump stop?

I am thinking option 3 but wanted to see what others have done.

Fri, 05 Feb 2016 23:55:02 GMT
Old 02-05-2016, 10:46 PM
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Mrmerlin
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posting pictures makes for easy diagnosis of your situation
Old 02-05-2016, 11:29 PM
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John L. Gormley
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Support cover upside down

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Old 02-05-2016, 11:31 PM
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Ignore the photo of the wall. Sorry.



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Support cover on top of Bilstein shock. It does not fit

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Old 02-05-2016, 11:32 PM
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PET diagram #3 is the support cover

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Old 02-06-2016, 02:16 AM
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kevinr
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I bought new covers from Roger only to discover my (Sachs) shocks came with them. Any chance there are correct covers hiding in your Bilstein boxes?
Old 02-06-2016, 05:45 AM
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chfs911
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I have just replaced stock with Bilsteins and binned that bit. I was also missing 4 the ribbed washer so it is missing too.

I found adjusting ride height difficult once the spring is on so get it as close as you can when building.
Old 02-06-2016, 06:09 AM
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OTR18WHEELER
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[QUOTE=John L. Gormley;12991924]Ignore the photo of the wall. Sorry.





Haunted wall

JOHN!, that wall is haunted!
Look at all of the face and scull images.
Old 02-06-2016, 09:52 AM
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John L. Gormley
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Unfortunately, no support covers in boxes. The top of the Bilstein shock has a curved plastic top so I am thinking a big washer to support the fiber washer and bump stop

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Old 02-06-2016, 09:53 AM
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John L. Gormley
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That is the wall from my 110 year old office building the fact that it got attached to this post confirms the building is haunted 😜

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Old 02-06-2016, 11:25 AM
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Mrmerlin
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those metal covers are for the Boges.

So to fit the Bilstiens,
first put the white flat washer on flat side up,
then the ribbed sponge.

NOTE check the nut threads for the piston on the new shocks,
some have gotten no new nuts and the old nuts are the wrong thread.

NOTE use anti seize/grease mixture on the collar adjuster threads,

and then where the perch mates with the collar, so the perch can be adjusted while the car is jacked up

Last edited by Mrmerlin; 02-06-2016 at 04:08 PM.
Old 02-06-2016, 01:02 PM
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dr bob
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^^^^^ And add a film of grease to the joint between the adjusting coolar and the lower spring perch. That will let the collar turn without trying to drag the spring around with it.
Old 02-06-2016, 03:49 PM
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John L. Gormley
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Thanks guys. Will do

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