 What to do with worn Koni red rear shocks? |
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| Tdskip |
 Jan 10 2020, 11:55 AM
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#1
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Advanced Member  Group: Members Posts: 3,755 Joined: 1-December 17 From: soCal Member No.: 21,666 Region Association: None 
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Hi guys, happy Friday.
I have a matched pair of red Koni rear shocks, one is good but one is bad. The bad one doesn’t move freely and binds, so needs a full rebuild. What would you do with these things? Last time I looked rebuild costs on these were fought the same as buying a new 737-800, but freely admit I am out of the current thinking on how/where to get these rebuilt. Thanks!  |
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| framos914 |
Jan 10 2020, 12:17 PM
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#2
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Member Group: Members Posts: 125 Joined: 15-May 14 From: Corona California Member No.: 17,353 Region Association: Southern California
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I have the same issue. One of the red Konis is leaking. Is it worth rebuilding? And who rebuilds them
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| TravisNeff |
Jan 10 2020, 01:21 PM
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#3
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914 Guru Group: Members Posts: 5,082 Joined: 20-March 03 From: Mesa, AZ Member No.: 447 Region Association: Southwest Region
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Koni has a rebuild program, it costs about the same as replacing them with new. That said, when you get them rebuilt they can re-valve if you are running springs that are different rates from stock. I read that their turn around time is not good.
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| Tdskip |
Jan 10 2020, 01:30 PM
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#4
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Advanced Member Group: Members Posts: 3,755 Joined: 1-December 17 From: soCal Member No.: 21,666 Region Association: None
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QUOTE(TravisNeff @ Jan 10 2020, 02:21 PM)  Koni has a rebuild program, it costs about the same as replacing them with new. That said, when you get them rebuilt they can re-valve if you are running springs that are different rates from stock. I read that their turn around time is not good. @TravisNeff - any leads on that? The Koni website directed me to a rebuilder uo at Sears Point that was going to be $450+ to have them rebuilt. Thanks! |
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| 914Sixer |
Jan 10 2020, 01:35 PM
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#5
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914 Guru Group: Members Posts: 9,453 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region
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Nearly all the old Koni rear shocks are EXTERNALLY adjustable. New shocks being sold are NOT externally adjustable and are gas only. Koni offers the fronts in hydraulic but the rears are NLA. Porsche does have some BLACK non external adjusting shocks in the warehouse in Germany at around $250 each.
So if your keeping with the Koni tradition have them rebuilt. |
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| TravisNeff |
Jan 10 2020, 01:38 PM
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#6
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914 Guru Group: Members Posts: 5,082 Joined: 20-March 03 From: Mesa, AZ Member No.: 447 Region Association: Southwest Region
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QUOTE(Tdskip @ Jan 10 2020, 12:30 PM) QUOTE(TravisNeff @ Jan 10 2020, 02:21 PM) Koni has a rebuild program, it costs about the same as replacing them with new. That said, when you get them rebuilt they can re-valve if you are running springs that are different rates from stock. I read that their turn around time is not good. @TravisNeff - any leads on that? The Koni website directed me to a rebuilder uo at Sears Point that was going to be $450+ to have them rebuilt. Thanks! That's what I found too. I am sure there are other Koni rebuilders out there, I just don't know who they are. |
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| GregAmy |
Jan 10 2020, 02:17 PM
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#7
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Advanced Member Group: Members Posts: 2,651 Joined: 22-February 13 From: Middletown CT Member No.: 15,565 Region Association: North East States
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I know for a fact that Koni won't rebuild them in-house; they don't do that any more (I'm a Koni butt-boy and race on Konis, plus I'm friends with the North America Motorsports Manager).
Koni will direct you to Performance Shock (https://performanceshock.com/) or Pro Part, both in CA, or Truechoice in OH (https://www.truechoicekoniracingservices.com/). Whatever you do, don't toss 'em. If you're not going to use them I'll take 'em. Greg |
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| andys |
Jan 10 2020, 02:56 PM
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#8
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Advanced Member Group: Members Posts: 2,165 Joined: 21-May 03 From: Valencia, CA Member No.: 721 Region Association: None
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I had my double adjustable yellows rebuilt by https://propartsusa.com/pages/shock-services
Don't remember what I paid, but it did take longer than I expected (Though I wasn't in a hurry). Painted factory color, Koni sticker, and dyno results. They are located in Simi Valley, CA. Andys |
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| 9146GUY |
Jan 10 2020, 03:29 PM
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#9
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Member Group: Members Posts: 130 Joined: 29-November 15 From: Central Ohio Member No.: 19,420 Region Association: Upper MidWest |
Truechoice Koni Services in Hilliard Ohio. They can custom valve or anything else you need.
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| porschetub |
Jan 10 2020, 04:29 PM
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#10
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914 Guru Group: Members Posts: 5,064 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
QUOTE(Tdskip @ Jan 11 2020, 06:55 AM) Hi guys, happy Friday. I have a matched pair of red Koni rear shocks, one is good but one is bad. The bad one doesn’t move freely and binds, so needs a full rebuild. What would you do with these things? Last time I looked rebuild costs on these were fought the same as buying a new 737-800, but freely admit I am out of the current thinking on how/where to get these rebuilt. Thanks! Wow they look pretty new,how have they been stored,if they have been lying flat they can give issues ,stand them both up vertically for a day or so,you may be surprised, if not the faulty one may have a bent spear. If that's the case have a hunt on ebay you could well find a NOS single unit,good luck. I can't understand why Bilstein and Koni have rebuild service that charge the same as a replacement....hard to work out (IMG:style_emoticons/default/screwy.gif) . |
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| mepstein |
Jan 10 2020, 04:57 PM
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#11
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914-6 GT in waiting Group: Members Posts: 20,587 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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QUOTE(porschetub @ Jan 10 2020, 05:29 PM) QUOTE(Tdskip @ Jan 11 2020, 06:55 AM) Hi guys, happy Friday. I have a matched pair of red Koni rear shocks, one is good but one is bad. The bad one doesn’t move freely and binds, so needs a full rebuild. What would you do with these things? Last time I looked rebuild costs on these were fought the same as buying a new 737-800, but freely admit I am out of the current thinking on how/where to get these rebuilt. Thanks! Wow they look pretty new,how have they been stored,if they have been lying flat they can give issues ,stand them both up vertically for a day or so,you may be surprised, if not the faulty one may have a bent spear. If that's the case have a hunt on ebay you could well find a NOS single unit,good luck. I can't understand why Bilstein and Koni have rebuild service that charge the same as a replacement....hard to work out (IMG:style_emoticons/default/screwy.gif) . It doesn't make sense for a regular set but there are date coded, double adjuster, custom and race shocks that are worth getting rebuilt. |
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| 914forme |
Jan 10 2020, 05:07 PM
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#12
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Times a wastin', get wrenchin'! Group: Members Posts: 3,899 Joined: 24-July 04 From: Dayton, Ohio Member No.: 2,388 Region Association: None
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truChoice used to do the conversion to double adjustable.
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