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928SE front springs

 
Old 09-06-2017, 11:58 AM
  #16  
928cs
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Rob, I have a question:
Are the springs on the scale (reference 928 343 511 13) the same as the ones into the bag (with reference 928 343 511 12 504)?
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Old 09-06-2017, 02:04 PM
  #17  
Rob Edwards
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Hi Samuel-

Actually, I think the answer to your questions is no, and I have to confess that I think I have repeating my own mistake RE: these clubsport springs. Here's the chronology:

I bought the springs from Sunset Porsche in Oregon in September 2006 with ordering part # 928 343 511 12 504. My notes say had to wait 4 weeks as they were in stock only in Germany. $270 for the pair. They came in those bags, 10-8-06.





I found some more pics of them, note the HHV 928.4.12 mark in the bag:



Out of the bag:



I didn't get around to mounting these on my old '90 GT until February 2008, note the same marking:



My notes say that I swapped the CS springs off the GT and onto my GTS in June of 2010. So the problem with the picture of the 928 343 511 13 springs with the Eibach emblem on them is that that picture was taken on 10/29/11, but the Clubsport springs had already been on my GTS for more than a year.

So I've been wrong saying the 928.343.511.13 Eibachs were Clubsport springs- they are NOT. Based on the date on the pic of the Eibach spring, I think those are the front springs on Dan Hebert's '91 Turquoise project.

Apologies for the confusion!
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Old 09-06-2017, 03:10 PM
  #18  
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No worries

Thank you for the explanations
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Old 09-07-2017, 01:47 PM
  #19  
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Rob --

Eibach has/had a nice facility there in SoCal not far from you. I'm pretty sure Mark has contacts there. In the deep dark past, they have been pretty easily coerced ($) into making some one-off sets for different projects. I worked with them in the 1980's on some race car spring sets for my little LeGrand DSR mimics, and later on a NVH issue with Ford for first-gen Explorers. You have the wire diameter from measurement, number of coils from pictures, coil diameter same as the other springs used on the cars. You'd need to find the unloaded length as the last variable in your build spec.

There are other spring outfits around. Long Beach Spring and Forge used to be a good local source for custom bits when I needed them back in the Bill Stroppe and PJ racing days on Signal Hill. No clue if they are still around, but I'm sure there are places that do this stuff regularly.
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Old 09-07-2017, 02:25 PM
  #20  
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That's a good thought, Bob- I have a new set of Boge Reds and have been thinking about swapping them in on the GTS, as the combination of Bilsteins and the CS springs is a little too stiff for my (ever-softening) taste. They work great when hooning around but the ride quality on last month's trip to Monterey and back was not as 'Grand Touring' as I'd like. (Also gave up on the 18" wheels and went back to PS2's on Cup 1s, which certainly helped significantly) I'll get all the relevant measurements if/when I do the shock swap.
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Old 09-07-2017, 03:57 PM
  #21  
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Just let me know when your taste is soft enough to sell me these CS springs
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Old 01-04-2018, 10:44 AM
  #22  
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And now, the front springs of a very original 1988 CS.


What do you think, two orange markings?

For your information, the rear are three blue markings.

Now, I need to clean the front springs of my new CS. I know that the shock absorbers are not original (they are Bilstein) but hope that the springs still are.
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