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  1. #1
    Vanyel1970's Avatar
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    2011 FZR SHO Supercharger, Replace with SVHO charger? - Need advice please

    I have a 2011 FZR with the SHO engine and supercharger. This past year my supercharger went out, the nut on the end of the impeller came off and well tore up my SC pretty much.

    I'm being told that a replacement SVHO Supercharger will bolt in but because it is higher PSI it will not work on the SHO engine due to lower compression resulting in knock or detonation.

    The pistons in a SHO engine are different than whats in a SVHO motor.

    Can anyone confirm this for me please?


    Thanks!
    Last edited by K447; 06-05-2019 at 09:24 AM. Reason: Replace with SVHO charger?


  2. #2

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    I would expect the SVHO charger to work fine may just need to have a different tune to compensate for extra boost, but the stock SVHO wheel doesnít make much more boost than a lightly increased SHO wheel.... have you upgrade the clutch to the later style?

    the SVHO piston is different itís a forged piston iirc the sho is cast like the ho I think but displacement and stroke are the same...

    secodn time I have heard of but failure in a week never heard of it before.....? Charger was stock when it failed?

  3. #3

  4. #4
    Vanyel1970's Avatar
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    Thanks HD!

    I was thinking that many SHO owners have upped the boost on the SHO charger and retuned to match without any issue, this is essentially what I would be doing too. Anybody out there that can confirm this does work?

    have you upgrade the clutch to the later style?
    Yes well when I rebuild it, Im putting the newer upgraded clutch and drive gear in.


    Charger was stock when it failed?
    Yes this was pure stock at the time and really Ive had it brand new since 2012 without and issue. I suspect the one year I had it parked at my cousins dock, my 17 year old cousin may have over did it. No proof per say but he is a speed freak. Way more than me lol.

  5. #5
    Lake Lion
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    DeansTeam has a great tune for that charger. You will need the SVHO injectors.

  6. #6
    AWA MEMBER
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    With a flash and 93 octane that SC will work fine

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  8. #7

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    I have sho with svho charger, injector and intercooler.
    I use also svho reflash ecu.
    Ski running great

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