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  1. #1
    LugNutLS1's Avatar
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    Boost/RPM spring and retainers

    At what point are upgraded springs required? How about retainers? I know it's always recommended but wanted to ask around and see what people are realistically doing in rec ski's. I have svho stock wheel. R3. Boost limiter eliminated and hard limiter set at 8850. We are targeting 8600-8650 at 17lbs boost. SHO exhaust cam. Factory cam gears so no retard or advance. 135 cranking psi. Let me know what you guys have been doing thanks


  2. #2
    maxadrenaline's Avatar
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    http://www.4-tecperformance.com/inde...oducts_id=1942

    Good info and insurance for a hi rpm engine.

  3. #3
    hdlefler's Avatar
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    Quote Originally Posted by LugNutLS1 View Post
    At what point are upgraded springs required? How about retainers? I know it's always recommended but wanted to ask around and see what people are realistically doing in rec ski's. I have svho stock wheel. R3. Boost limiter eliminated and hard limiter set at 8850. We are targeting 8600-8650 at 17lbs boost. SHO exhaust cam. Factory cam gears so no retard or advance. 135 cranking psi. Let me know what you guys have been doing thanks

    I just put in retainers when I had my stock clutch replaced. Turning 8700 - 8900 on stock internals. Stock springs.

  4. #4
    LugNutLS1's Avatar
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    I was told a lot of people are running stock springs below 9k. Are there a lot of retainer failures out there?? I hear yes but searches are not coming up with any actual failures... Curious about this one.

  5. #5
    h2jim's Avatar
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    Still running stock with my R3. 8700 rpm.

  6. #6
    hdlefler's Avatar
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    Quote Originally Posted by LugNutLS1 View Post
    I was told a lot of people are running stock springs below 9k. Are there a lot of retainer failures out there?? I hear yes but searches are not coming up with any actual failures... Curious about this one.
    I have heard of some failures but those are the guys running wide open in chop hitting rev. limiter. I put them in with my stock springs. HAve not had a problem before turning 8700-8900 but I guess I was lucky.

  7. #7
    shrabber's Avatar
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    Goto the casino might even be lucky with first pull of lever . If your at 8500 and come unhooked, where are You at?

    I would reccomended anyone with a aftermarket ECU To do at least retainers. Reflashes would be absolute max IMO (with a 8350 limiter)

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