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-   -   Problem seating springplate rubber (http://forums.pelicanparts.com/porsche-911-technical-forum/1105815-problem-seating-springplate-rubber.html)

75 911s 11-05-2021 05:00 AM

Hey D@vid,

I sort of ran over Tom's answer but he says you need additional spacers to make adjustables fit early cars. As you know the original spring plate was non-adjustable, so perhaps the extra thickness in the second adjustable plate needs to be accounted for.

Good luck

Quote:

Originally Posted by Tom F2 (Post 11508483)
Are spacers needed between the threaded mounting bosses and the retainers? It's been a while, for me, but I recall that I needed 4-5 mm spacers to make the adjustables fit an early (this is a 1973?) car. Cylinder head washers did the trick, as I recall. All from distant memory, so don't pile on if I got wrong. All this to compensate for the greater thickness of the adjustable spring plates, compared with the originals.


88911coupe 11-05-2021 05:54 AM

I wonder if anyone who's installed the exact same product can chime in and offer some insight.

Tom F2 11-05-2021 06:30 AM

My experience was with factory adjustable spring plates and original bushes. Once on a 71 and once once on a 73. The three mounting bosses protruding from the frame are shorter on the early cars than on later ones that came with adjustable spring plates new. The spacer that goes on the fourth mount was also shorter. The bolts are longer or shorter, according to the parts book: M10x28 in the early cars, M 10x30 in the later cars. I quickly measured an old cylinder head washer from my hardware box, like the ones I used as spacers, and it's around 3 mm thick. The Dansk spring plates look really nice. I'd like to hear how well they work.

David Inc. 11-05-2021 06:49 AM

Quote:

Originally Posted by D@vid (Post 11507474)
Springplates and rubbers are from dansk I believe. I put the covers on with lots of soap en tightened the bolts a few turns at a time each

If they came pre-assembled I would for sure give the supplier a call, or go right to Dansk.

D@vid 11-05-2021 07:30 AM

Quote:

Originally Posted by 75 911s (Post 11509227)
Hey D@vid,

I sort of ran over Tom's answer but he says you need additional spacers to make adjustables fit early cars. As you know the original spring plate was non-adjustable, so perhaps the extra thickness in the second adjustable plate needs to be accounted for.

Good luck

Good point! That could well be the case. I think I’ll replace them with the original springplates. Had them powdercoated already

D@vid 11-05-2021 07:59 AM

I assumed that they were interchangeble but perhaps this may not be the case at all. Should have thought of that before I ordered them off course :)

D@vid 11-05-2021 08:01 AM

Anyway, thanks guys, you’ve been a big help


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