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  1. #1

    RIVA Fuel Pressure Regulator Install

    I have a riva fpr that i'm about to install. I dont have an afr gauge on it yet however. Need some advice on setting the regulator to a safe level and getting it setup right for my combination.

    Mods so far:

    Riva rear exit exhaust
    Riva water box
    Riva air intake
    Riva SCOM
    Riva Gen III Intercooler and Riva Intercooler tubes with BOV

    (will be doing Riva intake mod soon)

    All else is stock, IE: injectors, supercharger etc etc.


  2. #2
    skigolfnut's Avatar
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    you need an AFR Gauge, every set up is different,

  3. #3
    Yeah i figured as much. Machine is a 2012 RXT-X 260. Whats the easiest and best way to put an afr on it.

  4. #4
    Rule 1) A RRFPR should never be used as a tuning device.

    Rule 2) See rule One

  5. #5
    Water4fire's Avatar
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    LC-1 is very nice and simple. Just tap the exhaust manifold for the O2 sensor.

  6. #6
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    Nothing beats the simplicity of the Innovate MTX-L.

    It's the best $150 you'll ever spend on your ski!


  7. #7
    I just wanted to stabilize the fuel pressure not tune with it. I realize theres more to it than that. I just dread having to yank that exhaust manifold off and drill and tap. Kinda like i dont want to yank the header off my car again. Just a crappy job.

    So how about this, what if, i measure the fuel pressure on the stock setup. Then just mirror it with the new rrfpr after. Something like that. Grabbing at straws i know but made sense when i thought it. LOL

  8. #8

    Join Date
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    Quote Originally Posted by ssenay72 View Post
    I just wanted to stabilize the fuel pressure not tune with it. I realize theres more to it than that. I just dread having to yank that exhaust manifold off and drill and tap. Kinda like i dont want to yank the header off my car again. Just a crappy job.

    So how about this, what if, i measure the fuel pressure on the stock setup. Then just mirror it with the new rrfpr after. Something like that. Grabbing at straws i know but made sense when i thought it. LOL
    These ski have enough room inside the hull to store 3 dead bodies. Exhaust manifold removal is cake. I would replace the manifold "E" bolts with standard stainless steel hex head bolts. The "E" bolt heads tend to strip if the socket is not square on the bolt. Ask me how I know.

  9. #9
    Having Fun jp1300r's Avatar
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    Put a AFR gauge in, if you don't like pulling cylinder heads so much.

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  11. #10
    canadian iceman
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    i agree with Glade!!!....you will not even look back...the exhaust is a breeze and you will be done in less than 40 min (no beer) 50 with .....best hour you will spend...the tap job will be done at a machine shop i hope and then you install...easy peasy...bro go for it...save the engine!!!

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