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  1. #1

    RR SUPERCHARGER IMP

    if you didnt order the injectors DO NOT RUN it is very lean.


  2. #2
    Site Admin Green Hulk's Avatar
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    To be more specific Jason Sandrock is running the RR ECU (new flash) and was measuring EGT's, not AFR and his exhaust gas temps were 200 degrees higher showing it was running a bit leaner. It still may be in the safe zone as the RR ECU's tend to run on the rich side, but only getting a AFR reading will we know for sure.

  3. #3
    i have data from before the rr sc imp so it is lean.

  4. #4
    suck my wake's Avatar
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    I thought it was already posted that you must at least run the 42's if you plan on running this impeller safely

  5. #5
    Red Devil's Avatar
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    Well Jerry, I guess you should start stocking these up in the on-line store next....

    http://www.dynotunenitrous.com/store...?idproduct=150

  6. #6
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by sandrock
    i have data from before the rr sc imp so it is lean.
    Right! You measured the EGT before and then after. After it was 200 degrees hotter. This means it is leaner no doubt. Does it mean its too lean? We wont know until its measured with an AFR.

  7. #7
    Jarrett's Avatar
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    So does anyone who has a new RR SC Impeller or is it getting one soon have an A/F meter? If so, do you plan to test it?

  8. #8
    HOSS's Avatar
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    Lean makes power but it also makes heat. 200 degrees hotter temps isn`t really that much.

  9. #9
    Tennessee's Avatar
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    What are the egt's reading with the new sc impeller?

  10. #10
    Jarrett's Avatar
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    Did you go WOT? If so, what RPM increase did you see? Where we the gains?

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