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  1. #1

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    yellow reducer ring

    i am installing an x charger with the riva upgrade wheel , dont want to burn up the ehaust manifold bell with the extra psi should i open this reducer ring in the pump 1 mm or so to flow more water ? would this help or hurt,thanks


  2. #2
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by busa504 View Post
    i am installing an x charger with the riva upgrade wheel , dont want to burn up the ehaust manifold bell with the extra psi should i open this reducer ring in the pump 1 mm or so to flow more water ? would this help or hurt,thanks
    On 07 setups and older going bigger is not needed. The 08's have the green reducer but the water lines are routed differently. On 07 and older the water goes to intercooler then exhaust. On 08 water line comes into hull then goes to T then to exhuast and ic from T.

    I have always run yellow on my RXP and had no problems.

    With all that being said on 07 and older setups you dont want to increase pressure in intercooler above what it can handle, and also extra water in exhaust can be a horsepower drain.

  3. #3

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    damn
    i opened mine 1 mm in fear of burning up the manifold

  4. #4
    R88ory RXP's Avatar
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    Quote Originally Posted by busa504 View Post
    damn
    i opened mine 1 mm in fear of burning up the manifold
    All will be ok. Are you running external IC? If so a little more flow can be good thing. R88

  5. #5
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    Quote Originally Posted by busa504 View Post
    i am installing an x charger with the riva upgrade wheel , dont want to burn up the ehaust manifold bell with the extra psi should i open this reducer ring in the pump 1 mm or so to flow more water ? would this help or hurt,thanks
    Your not going to melt your exhaust bell due to restricted water flow... That's gonna happen if your running lean. I assume your going to run larger injectors and an RRFPR

  6. #6

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    yes i have the rrfpr and 42's.

  7. #7

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    yes i have the xs/ic

  8. #8
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    Quote Originally Posted by busa504 View Post
    yes i have the rrfpr and 42's.
    Are you running an external IC... and an air intake

  9. #9
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    With your set-up and the addition of the riva upgrade SC kit (if it does what it claims) I think your going to be pushing those 42# injectors to the max with high fuel pressure when riding in cooler weather Just my .02... but I would think 48# injectors would be a better choice for your set-up.

  10. #10

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    yes i have the 4 inch air, i asked jerry he thinks the 42's would be fine

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