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  1. #1
    DallasGV's Avatar
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    X Charger Metal Washer Failure - Pics

    Need some help to understand how this happened and how to keep it from happening again! Took the ski out this weekend and within the first 5 minutes of riding all of the sudden a loss of power. I may be wrong but I thought metal washers would slip when going out and not split like ceramics!

    Background:

    - 89 hours on blown charger (new, not rebuilt, installed March)
    - Originally ran BRP oil and switched to Valvoline VV740 (changed every 15 to 20 hours)
    - RIVA BOV installed at 143 hours (other mods listed in sig)
    - Ski has 187 total hours

    Noticeable changes in ski:

    - Lost a bit of hole shot and 1-1.5mph on top end and 50-100 on rpms but I thought this was mostly due to increase in weather temperature/humidity. These were slow changes over months nothing dramatic. There was no surging of power and no decrease in rpm's other than what's listed above. Could still hit 8K rpms even in the heat (94 air 87 lake)

    - Did have oil in intake (oil hole in charger not plugged)

    Riding Style:

    - Do run WOT but not for long stretches
    - Do jump wakes/waves but very conscious of not holding throttle or hitting rev limiter

    Charger on it's way to Jerry tomorrow and tearing the engine down this week to search the screens for what's left of the washer. looking at the write up Big Daddy did on installing 08 oiler mod; any long term results anyone can share?

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  2. #2
    West Texas RXP skoepp's Avatar
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    Sorry to hear bro.
    Its not common but the 08 OEM washers have been known to fail.
    THere far better then the ceramics but still have some issues.

    I am sure Jerry has advised you too, but be sure to put Riva washers back in it.

    Alot of folks arround here change them out right away.
    Good Luck on your cleaning.

  3. #3
    What's the deal with the bearings?

  4. #4
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    How often was the slip checked-set on this charger over it's 89 hrs of use

  5. #5
    DallasGV's Avatar
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    Quote Originally Posted by BigDaddyRXP View Post
    How often was the slip checked-set on this charger over it's 89 hrs of use
    This is really bad I know but a total of zero. I thought the slip only needed to be checked if there was a noticeable loss in power.

  6. #6
    DallasGV's Avatar
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    Quote Originally Posted by VaRedneck View Post
    What's the deal with the bearings?

    Not sure what you mean?

  7. #7
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    Quote Originally Posted by DallasGV View Post
    This is really bad I know but a total of zero. I thought the slip only needed to be checked if there was a noticeable loss in power.
    There's your answer

  8. #8
    third pic from the top....are the bearing shot/all there?....can't tell.

  9. #9
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    Quote Originally Posted by VaRedneck View Post
    third pic from the top....are the bearing shot/all there?....can't tell.
    The bearing looks good from my house... the balls are equally spaced out as they should be. The story here is that his slip was low & he cooked the washers making them brittle... just my theory anyway

  10. #10
    Swedish Viking Craigo's Avatar
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    Quote Originally Posted by BigDaddyRXP View Post
    How often was the slip checked-set on this charger over it's 89 hrs of use
    +1

    I read somewhere on the forum - Jerry explaining that the metal supercharger washers could fail if they are slipping alot. I got lots of shims handy...

    Sorry to hear about your misfortune DallasGV! I hope your luck turns around. I bet you'll find the clutch washer pieces in your suction oil pump's strainer. I once had to dig three equal pieces of a spring washer and a million bits of a shattered ceramic washers out of mine.

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