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Thread: Help with Koni Race Strut Build

  1. #31

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    Default Help with Koni Race Strut Build

    Picked up the strut housings today from the machine shop. Liberty Precision Machine did a fantastic job. Next step is to cut the aluminum insert spacers to length for the rear struts, then mock up the fitment to dial in the final position of the new weld-on spring perches.





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  2. #32

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    Default Help with Koni Race Strut Build

    The rear struts need to be longer than even the longer Koni inserts, so it was necessary to make a spacer to fill the gap inside the housing.
    To keep weight down, I picked up a piece of 6061 aluminum tubing with 1-3/4-in OD and 1/8-in wall thickness.
    Tubing can be found here:
    https://www.mcmaster.com/#9056k39/=19u6ofh
    I used some calipers to measure necessary length of the spacers, then cut them long and ground them to the ideal height, maximizing thread engagement but not allowing the gland but to shoulder out on the strut housing.

    The foil tape that is on the bottom of the insert is holding a piece of thin sheet metal that is being used to centralize the bottom of the insert inside the housing.
    Last edited by BryanPendleton; 10-16-2017 at 08:40 AM.

  3. #33

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    Default Help with Koni Race Strut Build

    We mocked up the front end a few weeks ago to establish final position for new weld on housing perch. We centered the spring perch in the middle of its adjustment range and installed the coilovers and plates up front. We then raised the suspension until the lower control are seam was level. We used this as our baseline position. At this point we marked the weld ring position. Removed everything from the car, subtracted our calculated static spring compression from the mark and tack welded the weld rings to support the spring adjuster. Would have liked to have had more suspension travel, but unfortunately, not a lot of options with the Koni insert length.
    Last edited by BryanPendleton; 11-15-2017 at 12:01 PM.

  4. #34

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    Default Help with Koni Race Strut Build

    Apparently there is a character limit or something now.

    After we tacked up the rings, another test fit was in order to make sure we didn

  5. #35

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    Default

    This has gotta be a Tapatalk issue that keeps cutting my posts in half. Arg!


    Last edited by BryanPendleton; 11-15-2017 at 12:15 PM.

  6. #36

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    Once All was good, they got welded up and hit with a rattle can.

    Last edited by BryanPendleton; 11-15-2017 at 12:13 PM.

  7. #37

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    Default Help with Koni Race Strut Build

    Impression with the GC caster/camber plates. Awesome! Easy adjustments and solid. These plates in conjunction with the RX7 lower ball joints we run, we could effortlessly get 6-7 degrees of camber if that was wanted.

    The rears bit us in the butt though. We had planned to just run the OE hats after drilling them to fit the Koni shaft thread, but unfortunately the install height of the Spring Hat, Spacer and OE Hat, was too tall for the Koni Insert. This expedited fabricating some custom rear camber plates. Coming soon.
    Last edited by BryanPendleton; 11-19-2017 at 11:19 AM.

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