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  1. #1

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    Question Rxpx 2012 runing lean NEED HELP

    hay guys

    i have rxpx 2012 with Vtech stage1 8400, air intake, Etech 137, solas 15-20R, RRFPR.

    i open my RRFPR 80 !!!! and its still lean,,

    is it the time to change my map to stage 3 ????

    should i change my injectors to 50 or 60 ??

    yes and there is another point my RPM is not still some times i see 7900 then it jumps till 8200-8280 and goes back again.

    checked my S/C slip was 17 i increase it till 22.5

    need your help here..

    thanks


  2. #2
    Eric Ocman's Avatar
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    Can't you ask vtech for assistance?

  3. #3
    ADAMBOMB's Avatar
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    Quote Originally Posted by eissa View Post
    hay guys

    i have rxpx 2012 with Vtech stage1 8400, air intake, Etech 137, solas 15-20R, RRFPR.

    i open my RRFPR 80 !!!! and its still lean,,

    is it the time to change my map to stage 3 ????

    should i change my injectors to 50 or 60 ??

    yes and there is another point my RPM is not still some times i see 7900 then it jumps till 8200-8280 and goes back again.

    checked my S/C slip was 17 i increase it till 22.5

    need your help here..

    thanks
    What are your AFR's?

  4. #4
    rangermtb5's Avatar
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    What are your AFRs?

  5. #5
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by eissa View Post
    hay guys

    i have rxpx 2012 with Vtech stage1 8400, air intake, Etech 137, solas 15-20R, RRFPR.
    Eissa, you can't run the V-Tech stage 1 with that ET 137. You will need to go with Stage 2 or 3 which are mapped for higher boost levels

    Quote Originally Posted by Stage 1
    This stage of tuning is for stock skis, or skis with limited modifications such as air intake, or exhaust modifications and are still running stock boost levels.
    Quote Originally Posted by Stage 2
    We recommend the following modifications for Stage 2 tuning: Air intake kit, exhaust modifications, Riva valve train upgrade kit, Supercharger upgrade, Riva rising rate fuel pressure regulator, Solas 15/20R Impeller, Intake grate, Intake manifold upgrade kit, Intercooler upgrade kit.
    Quote Originally Posted by Stage 3
    We recommend the following parts for Stage 3 tuning: Air intake kit, aftermarket intake grate, Solas 15/20R impeller, Exhaust modifications, Intake manifold upgrade kit, Intercooler upgrade kit, Supercharger upgrade, Riva rising rate fuel pressure regulator, Riva valve train upgrade kit. If you choose to run 8800 RPM or more then you will also need the Ferrea light weight valve set.

  6. #6

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    i dont have AFR, i order it today from the store hope to receive next week, am waiting now for vtech to send me stage 3 map.

    thanks for you help

  7. #7
    rangermtb5's Avatar
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    Quote Originally Posted by eissa View Post
    i dont have AFR, i order it today from the store hope to receive next week, am waiting now for vtech to send me stage 3 map.

    thanks for you help
    then how do you know it's lean?? (besides the fact that we know you're running the wrong tune)

  8. #8
    Eric Ocman's Avatar
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    Quote Originally Posted by eissa View Post
    i dont have AFR, i order it today from the store hope to receive next week, am waiting now for vtech to send me stage 3 map.

    thanks for you help
    How do you know you're lean?

  9. #9
    Moderator beerdart's Avatar
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    ranger 1 Ocman 1. Someone needs to break the tie.

  10. #10
    ADAMBOMB's Avatar
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    Quote Originally Posted by eissa View Post
    i dont have AFR, i order it today from the store hope to receive next week, am waiting now for vtech to send me stage 3 map.

    thanks for you help
    How can you adjust your RRFPR with out monitoring your AFR's......

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