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  1. #1
    slydogge's Avatar
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    titanium retainers for $199?

    http://www.euroexportinc.com/store/s..._store=default

    Anyone using these and turning up the engine rpm?


  2. #2
    Eastside Powersports Slow 91's Avatar
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    yes, they suck. i have a 08 RXPX motor at my shop that this exact retainer broke into pieces and dropped the valve into the cylinder.

  3. #3
    speedskixp's Avatar
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    Quote Originally Posted by Slow 91 View Post
    yes, they suck. i have a 08 RXPX motor at my shop that this exact retainer broke into pieces and dropped the valve into the cylinder.
    Have pics of the broken retainer?

  4. #4
    TundraLu's Avatar
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    Quote Originally Posted by Slow 91 View Post
    yes, they suck. i have a 08 RXPX motor at my shop that this exact retainer broke into pieces and dropped the valve into the cylinder.
    slow post a pic....

  5. #5
    GGG's Avatar
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    I went with just the riva retainers and got the riva ECU. They werent good enough because I floated valves until the heads broke off 2 of them. Learned my lesson the hard way

  6. #6
    mikelytle1077's Avatar
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    i used them for all my arp stuff shipping was blazing fast like 2 days and cheap i know the valves he sells are ferra and the head gaskets are cometic the same stuff that comes from riva. ive had nothing but good experiance with him my .02 cents

  7. #7
    Eastside Powersports Slow 91's Avatar
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    Quote Originally Posted by speedskixp View Post
    Have pics of the broken retainer?
    yeah, ill pull the cover back off and get some pics.

  8. #8
    mikelytle1077's Avatar
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    Quote Originally Posted by GGG View Post
    I went with just the riva retainers and got the riva ECU. They werent good enough because I floated valves until the heads broke off 2 of them. Learned my lesson the hard way
    so you were running stock springs with titanium retainers with a riva ecu ?

  9. #9
    speedskixp's Avatar
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    Quote Originally Posted by mikelytle1077 View Post
    so you were running stock springs with titanium retainers with a riva ecu ?
    If so I think something else may have caused his failure. I know of several ski's including mine running riva or rotax ecu's with just retainers and have never had any issues other than the old style aluminum rotax retainers breaking. A couple of them have well over 100 hrs and one has been raced for 2 seasons now.

  10. #10
    mikelytle1077's Avatar
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    Quote Originally Posted by speedskixp View Post
    If so I think something else may have caused his failure. I know of several ski's including mine running riva or rotax ecu's with just retainers and have never had any issues other than the old style aluminum rotax retainers breaking. A couple of them have well over 100 hrs and one has been raced for 2 seasons now.
    just curious because i have talked to julio and i was told they come from the same place. maybee he was running heavier stainless valves with stock springs ? dont have experiance with the valvetrain stuff, just the arp and cometic head gasket. i do have a set of valves on the way from him i will post some pics when i get them and maybee do a weight comparison

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