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  1. #1
    Metal Mike's Avatar
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    04 rxp sc clutch slip moment low

    Just traded 94 xp for 04 rxp. Installed Riva stage 1 and opas bo's. Next went to change ceramics in sc. Before removal slip moment at 75 in lb.
    Installed riva washers (there not gold in color so i'm assuming uncoated) and slip moment at 40 in lb's. Seems to run O.K though. Any thoughts?


  2. #2
    Tennessee's Avatar
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    My only guess is someone updated the s/c to the 06-07 and you ordered the 04-05 washers. Did you put the new Riva washers next to the old ceramic ones and see if they were about the same thickness? I would think you would be loosong alot of boost. The 06-07 s/c has a step in the washer you hold to loosen the nut. Was there a step or just 2 flat sides on the holding washer?

  3. #3
    Metal Mike's Avatar
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    I didn't compare thicknesses. the holding washer had two flat sides. And I don't have a boost gauge.

  4. #4
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    most likely need a new spring washer or shim the sc. With the stk sc blade you want to be around 12-15 n/m.

  5. #5
    Metal Mike's Avatar
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    Quote Originally Posted by JOJO567 View Post
    most likely need a new spring washer or shim the sc. With the stk sc blade you want to be around 12-15 n/m.


    Thanks, Thats what I thought. I'll replace the spring washers.

  6. #6
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by Metal Mike View Post
    Thanks, Thats what I thought. I'll replace the spring washers.
    NO! that's not the problem. You installed 04-05 spec washers into an 06 shaft assembly. At some point in time your supercharger was rebuilt and when it was rebuilt it was updated with the 06 shaft kit. You need 06-07 washers.

  7. #7
    Metal Mike's Avatar
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    Quote Originally Posted by Green Hulk View Post
    NO! that's not the problem. You installed 04-05 spec washers into an 06 shaft assembly. At some point in time your supercharger was rebuilt and when it was rebuilt it was updated with the 06 shaft kit. You need 06-07 washers.
    Is there a way I can make sure the shaft is 06 by measuring. If so what are the measurments. Or is this a no brainer. Thanks for the help. Also will driving it like this hurt it?

  8. #8
    Site Admin Green Hulk's Avatar
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    Does the flat nut (the ring you put the shaft holding tool on) look like this? If so this is an 06 shaft assembly.

    Yes, continuing to run it like this will cause excessive slipping of the clutch and premature wear of the gear and clutch components.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  9. #9
    Site Admin Green Hulk's Avatar
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    For comparrison, this is what an 04-05 flat nut looks like
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  10. #10
    Rendog's Avatar
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    I just checked my slippage and I was at 65 in. lbs, but havent really noticed any drop in rpm's

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