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  1. #1
    GOT BOOST? Dockside's Avatar
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    The do's and don'ts when tuning an RRFPR set-up

    Ive read almost every post i could find on RRFPR's but i still have some un awswered question.

    Is there a standard protocol when tuning toget the right AFR. Im looking for a set of steps to help out with tuning. Do I just set the idle afr then do a WOT pass then adjust accordingly?


  2. #2
    speedskixp's Avatar
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    Quote Originally Posted by sportsterme View Post
    Ive read almost every post i could find on RRFPR's but i still have some un awswered question.

    Is there a standard protocol when tuning toget the right AFR. Im looking for a set of steps to help out with tuning. Do I just set the idle afr then do a WOT pass then adjust accordingly?
    If you are just using a 1:1reg you can only adjust for wot and everywhere else is what it is.

  3. #3
    Moderator beerdart's Avatar
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    With only the 1:1 regulator installed you only tune for WOT AFR and idle AFR is what it is. The single regulator only allows for one set point WOT.

  4. #4
    speedskixp's Avatar
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    GOT BOOST? Dockside's Avatar
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    so WOT afr is the only one that matters. But for everything else is there a cut off where the afr can become unsafe like under 10 over 14 or something like that . Im thinking of going with an X charger and the riva rrfpr now instead of the S3

  6. #6
    speedskixp's Avatar
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    WOT is all you will need to worry about with the x-charger and 42s. I like to shoot for 11.9 A/F AT WOT . If you were running a larger wheel with bigger than 42lb injectors you would need more control of the tune to avoid being to rich at idle and mid. You wont have to worry about that. I like my boat to idle in the low 13s.

  7. #7
    GOT BOOST? Dockside's Avatar
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    Aight... Tks guys sounds good .....

    Seems easy to set it up now that i know you only set to WOT, Look like i know what i need to do

  8. #8
    Eric Ocman's Avatar
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    Im surprised you didnt fab your own lol.

  9. #9
    The Silver Bullet HemiRamOn22s's Avatar
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    Don't you want your idle afr around 14.7. That is optimal on a NA engine and since there is no boost at idle I would think that's what you shoot for?

  10. #10
    speedskixp's Avatar
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    Quote Originally Posted by HemiRamOn22s View Post
    Don't you want your idle afr around 14.7. That is optimal on a NA engine and since there is no boost at idle I would think that's what you shoot for?
    Its safe to idle that lean but throttle response is really flat.

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