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Thread: Koni Shocks Installation

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    Jedi Warrior maxwedge5281's Avatar
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    Koni Shocks Installation

    I found a very reasonably priced used Koni kit on eBay and bought the kit.

    I have a question: Do you remove the shock valve from the original shock?

    I know that I did with the Putzke kit that I have on my other Healey! Thanks for any help!
    Last edited by Editor_Reid; 03-29-2019 at 04:57 PM. Reason: No need to thank me. My caps key still works.
    1959 bn6 sbc zz4 with aod transmission....... 1959 bn6 inline 6 250 chev engine and tremec 5 speed.......Porsche 911 all aluminum 434 cubic inch dart sbc engine 930 4 spd

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    Yoda Randy Forbes's Avatar
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    Re: koni shock installation

    Yes, remove the plug, extract the valve assembly__and any shims fitted__then replace the plug and some oil (unless you did it on the bench, and didn't lose any oil ).
    http://www.britishcarforum.com/bcf/image.php
    57 Healey BN6L-942 Wine Red/Honey Tan
    99 BMW M Coupe EB w/ ES/TS & 99 M Rdstr BK/BK
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    Jedi Warrior maxwedge5281's Avatar
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    Re: koni shock installation

    thanks, randy!!! i miss the old z3 days in greenville!!!
    1959 bn6 sbc zz4 with aod transmission....... 1959 bn6 inline 6 250 chev engine and tremec 5 speed.......Porsche 911 all aluminum 434 cubic inch dart sbc engine 930 4 spd

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    Yoda Randy Forbes's Avatar
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    Re: koni shock installation

    Yes, we do too! Had an opportunity to talk with a few of the old faithful here lately, and we all miss those days. We were fortunate to have been able to partake with BMW's generosity ($25, then later $35 registration per car, for everything they did for us, and all the banquets and gifts).
    http://www.britishcarforum.com/bcf/image.php
    57 Healey BN6L-942 Wine Red/Honey Tan
    99 BMW M Coupe EB w/ ES/TS & 99 M Rdstr BK/BK
    01 BMW M Rdstr Steel Gray Performance Center (factory) Delivery
    16 X5M/DINAN Stg II Mineral White Metallic Wife's 716 hp/702 Lb-ft Turbo Hauler

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    Jedi Warrior maxwedge5281's Avatar
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    Re: koni shock installation

    i did not receive any instructions with the kit and still have a ouple of questions> does the lower mount for the koni shock go on top of or below the control arm. and which direction is the actual shock mount arm turned….up or down?
    1959 bn6 sbc zz4 with aod transmission....... 1959 bn6 inline 6 250 chev engine and tremec 5 speed.......Porsche 911 all aluminum 434 cubic inch dart sbc engine 930 4 spd

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    Yoda steveg's Avatar
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    Re: Koni Shocks Installation

    I had briefly installed one of these kits on loan a while ago.

    I believe the lower mount installs across the bottom of the spring pan with spacers for clearance, requiring approximately 1/2"-longer bolts.

    IIRC the shock mount points up. You can verify this by extending the shock tube all the way and measuring the center-to-center on the mounts, then installing the top mount and measuring the fully extended point of where the lower shock mount would be. If the lower mount is upside down, I don't believe the shock tube will extend that far. I believe the spring may interfere if you try to bolt the lower mount across the top of the lower A-arm.
    Steve Gerow
    Altadena, CA, USA
    Maker of most complete Big Healey rear disc kit
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    Re: Koni Shocks Installation

    thank you steve. I had come to this conclusion . and yes it will interfere with the spring mounted on top. do you know of any way to pick a more modern externally adjustable shock to replace the early internally adjustable shock! I called koni but they offered no help.
    1959 bn6 sbc zz4 with aod transmission....... 1959 bn6 inline 6 250 chev engine and tremec 5 speed.......Porsche 911 all aluminum 434 cubic inch dart sbc engine 930 4 spd

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    Yoda steveg's Avatar
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    Re: Koni Shocks Installation

    Shouldn't be hard to find shocks that will fit. Compress and extend a Koni to determine the minimum and maximum lengths.

    I've had Spax shocks for 10 years. They're externally adjustable. BP Northwest used to sell them but may have changed brands.

    Check with the usual suppliers: Tom's Import Toys, BCS, Healey Surgeons. Moss sells tube shock kits for Triumphs so the TR6 shocks might fit.


    Addendum: TR6 shocks won't fit - you need the ones with eyes at top and bottom for your Koni kit.
    Last edited by steveg; 04-04-2019 at 10:01 AM.
    Steve Gerow
    Altadena, CA, USA
    Maker of most complete Big Healey rear disc kit
    Check out my galleries:
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    Jedi Warrior maxwedge5281's Avatar
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    Re: Koni Shocks Installation

    I finally have the drivers side in place. I believe that it is correct. after replacing the front wire wheel hubs with disc sheel hubs I still have a bit to do. ...new brake lines, shims for the bearings, steel line to the flex line bracket was missing, make new pipes flexline to the calipher. etc. every time I look to correct something a new can of worms develop. well most of it is stuff that I would replace or rebuild anyway! part of the "learning curve of enjoyment" and at almost 79 something to keep me active!!!
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    1959 bn6 sbc zz4 with aod transmission....... 1959 bn6 inline 6 250 chev engine and tremec 5 speed.......Porsche 911 all aluminum 434 cubic inch dart sbc engine 930 4 spd

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    Yoda steveg's Avatar
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    Re: Koni Shocks Installation

    Do you have the Koni setup on the rear as well?
    Steve Gerow
    Altadena, CA, USA
    Maker of most complete Big Healey rear disc kit
    Check out my galleries:
    http://www.pbase.com/stevegerow


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    Jedi Warrior maxwedge5281's Avatar
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    Re: Koni Shocks Installation

    no just the regular healey lever shocks. ill be looking for a kit for the rear....I have the putze kit on my other bn6 and am very pleased with it.
    1959 bn6 sbc zz4 with aod transmission....... 1959 bn6 inline 6 250 chev engine and tremec 5 speed.......Porsche 911 all aluminum 434 cubic inch dart sbc engine 930 4 spd

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    Yoda John Turney's Avatar
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    Re: Koni Shocks Installation

    That Koni kit looks very similar to what was fitted to the cars built from kits in South Africa. There is a guy in British Columbia that has a CKD South African built car. He was parked next to me in 2017 and showed that setup to me.
    John, BN4

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    Yoda steveg's Avatar
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    Re: Koni Shocks Installation

    See this for drawings of the Koni setup. Scroll down a couple of pages for English:
    https://www.healey6.com/Technical/Koni.pdf
    Steve Gerow
    Altadena, CA, USA
    Maker of most complete Big Healey rear disc kit
    Check out my galleries:
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    Yoda John Turney's Avatar
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    Re: Koni Shocks Installation

    Quote Originally Posted by steveg View Post
    See this for drawings of the Koni setup. Scroll down a couple of pages for English:
    https://www.healey6.com/Technical/Koni.pdf
    So the rear Koni conversion is for the 2 + 2 seat configuration.
    John, BN4

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    Yoda steveg's Avatar
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    Re: Koni Shocks Installation

    Quote Originally Posted by John Turney View Post
    So the rear Koni conversion is for the 2 + 2 seat configuration.
    It should work on the 2 seaters, too. Mine is a Cape setup, which is similar. I had to bend the angled plates a little because the angle of the transom is slightly different on the 2 seater. The right-angled box area above and behind the axle is the same on both. The supplied shocks were perhaps 1/2" too short for the 2 seater setup and the lower mounts flexed and eventually broke. Make sure your shocks are long enough when extended to accommodate the lower axle when it is resting on the frame cushions.

    CapeShockUpperMount.jpg screenshot.1650.jpgscreenshot.1651.jpg
    Last edited by steveg; 04-07-2019 at 08:34 AM.
    Steve Gerow
    Altadena, CA, USA
    Maker of most complete Big Healey rear disc kit
    Check out my galleries:
    http://www.pbase.com/stevegerow


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    Jedi Trainee aero3113's Avatar
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    Re: Koni Shocks Installation

    I believe I have the same Koni conversion. I removed mine from my 100 and installed new lever shocks. I want to see if I like the feel without them. I’m going to drive the car for a few weeks and make a decision.

    37392020-2904-48C7-98BC-598EB0749B68.jpeg
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    Yoda steveg's Avatar
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    Re: Koni Shocks Installation

    Aero - do you have the Koni rears too?
    Steve Gerow
    Altadena, CA, USA
    Maker of most complete Big Healey rear disc kit
    Check out my galleries:
    http://www.pbase.com/stevegerow


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    Re: Koni Shocks Installation

    No, just the front.

  19. #19
    Yoda John Turney's Avatar
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    Re: Koni Shocks Installation

    Quote Originally Posted by aero3113 View Post
    I believe I have the same Koni conversion. I removed mine from my 100 and installed new lever shocks. I want to see if I like the feel without them. I’m going to drive the car for a few weeks and make a decision.
    Let us know how your test goes.
    John, BN4

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