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NGR Type S adjustment

Posted by JwUoNoG, May 22, 2020

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  1. JwUoNoG

    JwUoNoG Proven Member

    199
    2
    Joined Aug 12, 2004
    Perry Hall/Parkville, Maryland
    Any tips on adjusting the NGR Type S BOV? I tightened it a few turns from where it was out of the box (I believe backed out all the way).

    Under light/no boost, I get a quiet whoosh, or even a little bit of fluttery sounds.

    Moderate boost, I get a whistle.

    However, under a WOT pull, I get a loud whoosh. Sounds just like a puff of air, like any other BOV.

    I had a Greddy Type S 15 years ago, I can't remember if I got the whistle under WOT too...

    Thanks in advance!
     
  2. Mello

    Mello Proven Member

    1,061
    305
    Joined Jul 4, 2003
    Albuquerque, New Mexico
    This sounds Like mine & normal to me. I have both a real Greddy Typs-S & NGR Type-S & they sound the same & like what you've described. Also sounds like you have yours adjusted fairly well too.
     
    JwUoNoG likes this.
  3. JwUoNoG

    JwUoNoG Proven Member

    199
    2
    Joined Aug 12, 2004
    Perry Hall/Parkville, Maryland
    Thanks! I adjusted it so many times and was always second guessing myself.

    The hex bolts that hold the cap on were loose. One was missing and I think 4 others were loose. I asked NGR for more, and they sent them. I used some blue thread locker and put them all back in. They would've rattled off eventually!
     
    KYLE JORGENSEN likes this.
  4. JwUoNoG

    JwUoNoG Proven Member

    199
    2
    Joined Aug 12, 2004
    Perry Hall/Parkville, Maryland
    The oring in my adjustment screw broke when I tightened it too far. I have a new one on the way.

    Do I need to disassemble it to install the new oring?
     

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