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Exhaust Cam Gears

Discussion in 'Performance and Tuning' started by FinnJ, Jan 23, 2017.

  1. Jan 23, 2017 at 3:39 PM
    #1
    FinnJ

    FinnJ [OP] Well-Known Member

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    From URD:
    What would I benefit of these, just better peak power? Would I loose torque at lower rpms? I don't want that. How about the mileage, gain or loss?
     
  2. Jan 25, 2017 at 5:54 AM
    #2
    Torspd

    Torspd Tor-nication

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    Overall efficiency in cylinder scavenging, which in turn adds room for a bump in timing. Across the board increase in torque and power.
     
  3. Feb 6, 2017 at 11:42 PM
    #3
    FinnJ

    FinnJ [OP] Well-Known Member

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    Can you see any negative things about this? No torque loss below 2000 rpm?
     
  4. Feb 7, 2017 at 5:05 AM
    #4
    Torspd

    Torspd Tor-nication

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    Only negative is if you have a turbo.

    If you re-read your post, it sums it up splendidly.

    Are you trying to purchase them sans UCON?
     
  5. Feb 7, 2017 at 9:51 AM
    #5
    FinnJ

    FinnJ [OP] Well-Known Member

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    No, I'm considering of buying UCON, but feels like it is made more for maximum power increasing purpose than for just regular tuning. I just want to get my TRD Supercharger properly tuned, focusing on good torque and good throttle response.

    Also found this (for UCON's predecessor): http://www.xr-underground.com/threads/absolutely-install-cam-gears-with-x-1.38009/
     
  6. Feb 7, 2017 at 11:19 AM
    #6
    Torspd

    Torspd Tor-nication

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    It'll increase efficiency across the board. As I said earlier. Complimentary of tuning and exhaust gears. Plus your throwing on a roots s/c. The capital grunt in low end. No you won't loose any down low. Only impressive gains. She'll be happy.
     
  7. Feb 7, 2017 at 12:24 PM
    #7
    FinnJ

    FinnJ [OP] Well-Known Member

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    Thanks Torspd. :cheers: I think I know now the direction what I'm gonna do with my FJ.
     
  8. Feb 7, 2017 at 12:49 PM
    #8
    Torspd

    Torspd Tor-nication

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  9. Mar 5, 2017 at 3:31 AM
    #9
    FinnJ

    FinnJ [OP] Well-Known Member

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    IMG_1730.jpg
    UCON is at home.
     
  10. Mar 5, 2017 at 5:20 PM
    #10
    Murphinator

    Murphinator Well-Known Member

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    Interested to see how you like the ucon. Sadly even if I bought one out here in california I wouldn't be able to smog my truck with it on :pout:
     
    Saechao503 likes this.
  11. Mar 5, 2017 at 6:27 PM
    #11
    Torspd

    Torspd Tor-nication

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    Yes you would. They wouldn't know it's there. It is blind to the eye, and to the computer.
     
  12. Mar 5, 2017 at 7:02 PM
    #12
    Murphinator

    Murphinator Well-Known Member

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    Oh snap.... well don't tempt me haha this website is ruining my wallet so many things I would have never thought about buying for this truck. Subbed for results :popcorn:
     
  13. Mar 5, 2017 at 8:00 PM
    #13
    Torspd

    Torspd Tor-nication

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    Influenced you are.
     
    Murphinator likes this.
  14. Oct 21, 2017 at 4:36 PM
    #14
    cdelgado14

    cdelgado14 Well-Known Member

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  15. Oct 25, 2020 at 11:59 PM
    #15
    dpanibratets

    dpanibratets Well-Known Member

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    I am looking at buying exhaust cam gears for my 2015 Tacoma 4.0 V6 and running a Magnuson Supercharger with 2.825 pulley. Additionally I plan on running the TRD Tune, will this require additional tuning or will the TRD tune will work with this setup?
     
    Last edited: Oct 26, 2020
  16. Oct 27, 2020 at 5:57 AM
    #16
    Chris(NJ)

    Chris(NJ) Well-Known Member

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    Mods are currently being changed .....
    Have @JustDSM do the tune for you.
     
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  17. Oct 27, 2020 at 6:01 AM
    #17
    JustDSM

    JustDSM Oderint Dum Metuant

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    Thanks Chris!

    He sent me a PM which I'm about to respond too. But the cliff-notes are, you can run these with the Stock N/A tune or the Stock TRD S/C tune just fine. They will improve the efficiency and knock threshold of the motor just as the URD documentation above suggests. However, a bit more power can be extracted if you wish to have a tune setup for them (which of course I do, via HPTuners).
     
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