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KONI Sports for Classic Z's


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11 hours ago, Zed Head said:

That's the "take it or leave it" approach.

Give a good comparison and you'll get more "take it"s than "leave it"s.  Without a comparison, KYB's are a known quantity, the Koni's an unknown quantity.  In today's world it's very possible that these "new" Koni's are just rebranded "other" shocks.  It's the world we live in.  Koni could just be a trademark.  Today's world is littered with old well-known brand names on low quality parts.

The more info supplied the more likely people will make the jump.  Please don't reply with "I can assure you".  Just data, it's all that matters.

Good luck.  They look promising.

I'm surprised that you don't "know" about Konis.  I suppose that if you knew anything about the Koni brand, you wouldn't write what you did.  Good luck.

I have a set of red spec; internal valve adjustment, which is a little more of a pain-in-the-arse than the yellow spec series we are discussing.  The yellow spec series allows for valve adjustment while they are installed.

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4 hours ago, 26th-Z said:

I'm surprised that you don't "know" about Konis.  I suppose that if you knew anything about the Koni brand, you wouldn't write what you did. 

I do know about Koni's.  I had a pair on my dirt bike.  Waaaaaaayyyy back when.  I'm just not living in the past.  Much has changed since then.

Joseph gave a great answer.

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14 hours ago, KONI Lee said:

The first production runs of the fronts and rears for the 240Z, 260Z, and 280Z are currently in-transit from KONI in The Netherlands due in mid-March.  The 280ZX fronts are in-transit as well but the 280ZX rear shocks are awaiting final production due to to different compponent sourcing but will be here ASAP.

KONI  was a Dutch firm from the start if i remember correctly? I've just reman. a set 280zx last week..and now i hear from these new KONI's.. :facepalm:   For my 240z i've got a Original orange/red set of 4 shocks in stock for over 25 years at least.. new in the box.. haha what's left of the box.. ?

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2 hours ago, dutchzcarguy said:

KONI  was a Dutch firm from the start if i remember correctly? I've just reman. a set 280zx last week..and now i hear from these new KONI's.. :facepalm:   For my 240z i've got a Original orange/red set of 4 shocks in stock for over 25 years at least.. new in the box.. haha what's left of the box.. ?

Yup, KONI has always been a Dutch company, founded in 1857 as a horse saddlery in the little town of Oud Beijerland, about an hour south of Amsterdam.  The main factory/world HQ  is still located in the same town about about a mile or so away from the original saddlery, which is now a museum. 

There is a 3 or 4 digit manufacturing date code stamped into those old KONIs right near the part number.  If you are interested and want to get me that number, I can tell you how old they are.  There were major technology updates (mostly friction reduction and longevity extending) to the pistons, seals and top guide bushings in the early to mid-'80s so yours could be from before or after then.  It would almost certainly be possible to service your old ones however done individually the labor cost with parts would probably be higher than buying brand new ones that have all new parts, the full warranty, and features.

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21 hours ago, KONI Lee said:

3 or 4 digit manufacturing date code stamped into those old KONIs right near the part number. 

Yes,  the 82R-1811 have 705 and the 82R-1812 have 007 stamped into it under the partnumber! 

It says also "special D" on it and have all 4 of them lots of patent numbers for different country's on them. 

(As i sayd these are new and thuss never used. I bought them few years ago, but the guy were i bought them from sayd they were from late 70 or begin of 80's?)

I'm curious what the real dates are!  so thanks in advance!

(I also got some single grade oil with the whole deal.. it's probably to put some of it into the tubes of the orig. shock-housings to transmit the heat better ?)

 

Mart.

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6 hours ago, dutchzcarguy said:

Yes,  the 82R-1811 have 705 and the 82R-1812 have 007 stamped into it under the partnumber! 

It says also "special D" on it and have all 4 of them lots of patent numbers for different country's on them. 

You were told the correct era for those particular parts. The 82R prefix tells us they are early strut inserts used before KONI made many major part number and component updates in the 1982-1984-ish era.  Early on, 82 could mean shock, full strut, or strut insert.  After the changes, all strut inserts were called 86, full struts were called 87 and 50-55mm OD body shocks stayed as 82s.  The alphabet letter was dropped at that time too. So the red Z-car inserts after the mid 1980s would have been called 86-1811 and 86 1812.  There were many internal upgrades during this time period as I alluded to above.  The only externally visible major difference is the piston rod guide and seal assembly where the chrome rod goes into the body.  The old style like yours will have a couple concentric rings visible on the end of the insert and usually a couple tool slots in them that created pressure on the old seal system of stacked felt and rubber rings.  The newer design used since the mid-80s is flatter and has fewer concentric rings and a longer lasting, better sealing Viton oil seal in addition to newer bronze guides with Teflon and other low friction coatings to reduce friction and wear long term.

So your 82R-1811 705 would be from 1977 Week 05 or early February production.  Your 82R 1812 007 would be from 1980 Week 07 or late February production. Both will have the older guide and seal system and may not last the longest now 40 years later and not have the low friction updates.  The Special D was a product designation for all red painted KONIs, the main color KONI used until they diversified in the 1980s to include yellow paint (KONI Sport) and much later black (KONI Classic), bright orange (KONI STR.T), and gold (KONI FSD).  The red is also now used on  other truck and car product lines are well.

I have no info on your spring pic because it has no KONI connection.  They could be either OE or some aftermarket springs but they are not a KONI spring that I have heard reference to in my 20+ years here.  KONI has dabbled off and on over the decades with selling damper & spring combo packages, more in the USA than in Europe.

Hope that helps some.

 

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@KONI Lee ..... thank you for engaging in some Q&A. If you don't mind, and since we are on the topic, can you comment on the red Koni Classic strut inserts produced during the past 4-5 years for the 240z? Were they the same as or an improvement on or totally different from the 80s era 1811 and 1812 strut inserts? I have them on one car and like them very much. They adjust just like the 70s and 80s strut inserts.

 

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@KONI Lee....Also...one question from me regarding the new Koni / MSA Yellow offering. Some of us have noticed that when installing gas charged strut inserts on our cars, compared to non-gas charged like the Koni Classic, the ride height rises an inch or so.

Do you think this will be the case with the Koni Yellows? Specifically if you compare Koni reds with the new Koni yellows on the same car with the same springs, would the yellows cause a higher ride height?

Thank you.

Edited by jonathanrussell
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