XRU's Newest Boosted XR

Discussion in 'F/I Mods & Tuning' started by NHXRUNNER, Jul 8, 2016.

  1. NHXRUNNER

    NHXRUNNER "New Hampster"
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    That's right, this guy!!!

    [​IMG]

    So for a no cat exhaust, what's the safe AFR range? I'm seeing 9s, 10s, and 11s.
     

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    #1 NHXRUNNER, Jul 8, 2016
    Last edited: Jul 8, 2016
  2. fishsticks

    fishsticks Because fast lifted truck.

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    I dip into the 9s when I come off the gas after a hard push. 11.5ish when I'm in it hard. 12s when I'm halfway in.
     
  3. Gadget

    Gadget <a href="http://www.xr-underground.com/forum/showt

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    Welcome to the club!!
     
  4. Torspd

    Torspd Moderator
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    He finally made it!!!
     
  5. BrotherMurderface

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    Look at you!!! :top:
     
  6. NHXRUNNER

    NHXRUNNER "New Hampster"
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    Only took 9 years and 167k miles to get there
     
  7. gearhead899

    gearhead899 <a href="http://www.xr-underground.com/forum/showt

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    you might set the record for the highest miles on a truck with a supercharger lol welcome to the club
     
  8. Torspd

    Torspd Moderator
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    Which pulley does it have? Meh. Doesn't matter. Get a smaller one already!
     
  9. NHXRUNNER

    NHXRUNNER "New Hampster"
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    2.825" URD. Doubt I can go smaller without a 7th, bigger injectors, and or more tuning. Only have a MAF Cal (which isn't installed or tuned yet). And there's close to zero chance I'm pulling that damn blower off anytime soon. Also she's still my daily. Can't go blowing it up. Oh have I ever said I hate coolant?
     
  10. Slywhitty

    Slywhitty "Midget Magnet"

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    It's no fun until you blow it up!!!!
     
  11. NHXRUNNER

    NHXRUNNER "New Hampster"
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    No way. I'd cry, for real.
     
  12. BSP06XRU

    BSP06XRU Old Member

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    Congrats, Matt... took you long enough! :top:
     
  13. NHXRUNNER

    NHXRUNNER "New Hampster"
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    Agreed, but I couldn't be happier to finally get it done.
     
  14. Phracker

    Phracker New Member

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    Not sure if this helps, I see 10.25 WOT and 14.7 cruising.

    It's the Ucon and not the TRD reflash though.
     
  15. NHXRUNNER

    NHXRUNNER "New Hampster"
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    Thanks for the info, I'll get it dialed in over the next couple months. I think if anything I'm running a little rich so I'm not all that concerned.

    What are TRD guys using to monitor the coolant in the supercharger system? Or just to monitor the blower in general. I'm going to have room for 2 more gauges here shortly. I was thinking oil pressure/temperature, and water temp or exhaust gas temp. I'm already running boost and AFR.
     
  16. Torspd

    Torspd Moderator
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    Oil pressure is a very very good gauge to have. Trust me. ;)
     
  17. NHXRUNNER

    NHXRUNNER "New Hampster"
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    Ya, that one is a definite. What about trying to monitor the supercharger in some way. EGT would tell me if combustion gets too hot, but would water temperature of the low temp radiator for the supercharger be better?
     
  18. Phracker

    Phracker New Member

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    Oil pressure is gold.

    Intercooler temp sounds interesting, but I think an E.G.T. would be more useful between the two. Fuel pressure might be another one to consider.
     
  19. NHXRUNNER

    NHXRUNNER "New Hampster"
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    Unfortunately Innovate doesn't have a FPR guage in their MTX series.....
     
  20. Gadget

    Gadget <a href="http://www.xr-underground.com/forum/showt

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    Skip EGT. Old school, not really accurate or useful. Wideband AFR is the way to go.
     

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