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Tacoma ECU Tuning for 4.0L

Discussion in '2nd Gen. Tacomas (2005-2015)' started by OVTune, Jun 14, 2017.

Page 200 of 228
  1. Feb 25, 2019 at 12:48 PM
    #3981
    OVTune

    #3981
    OVTune [OP] Well-Known Member

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    OVTune
    Does your name start with a "J"? If so I am doing it right now eta 5 mins
     
    OVTune, Feb 25, 2019
    #3981
  2. Feb 25, 2019 at 1:03 PM
    #3982
    OVTune

    #3982
    OVTune [OP] Well-Known Member

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    OVTune
    Call them back, you'll be good.
     
    OVTune, Feb 25, 2019
    #3982
  3. Feb 25, 2019 at 1:11 PM
    #3983
    mulisharydr

    #3983
    mulisharydr Well-Known Member

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    Awesome thanks.
     
    mulisharydr, Feb 25, 2019
    #3983
  4. Feb 25, 2019 at 1:22 PM
    #3984
    RacecarGuy

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    RacecarGuy Well-Known Member

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    Hi Mat, any update on the issue I'm having with p5flash?
     
    RacecarGuy, Feb 25, 2019
    #3984
  5. Feb 25, 2019 at 1:25 PM
    #3985
    OVTune

    #3985
    OVTune [OP] Well-Known Member

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    OVTune
    what's your ticket number? no idea who you are sorry
     
    OVTune, Feb 25, 2019
    #3985
    RacecarGuy[QUOTED] likes this.
  6. Feb 25, 2019 at 1:28 PM
    #3986
    RacecarGuy

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    RacecarGuy Well-Known Member

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    3092 is what's listed in the email chain, not sure if thats the ticket number or not.
     
    RacecarGuy, Feb 25, 2019
    #3986
  7. Feb 25, 2019 at 3:02 PM
    #3987
    MyCarneAsadaTaco

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    MyCarneAsadaTaco Well-Known Member

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    I emailed you any left?
     
    MyCarneAsadaTaco, Feb 25, 2019
    #3987
  8. Feb 25, 2019 at 3:02 PM
    #3988
    zippsub9

    #3988
    zippsub9 Well-Known Member

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    Shit bolted onto other shit, and junk.
    :thumbsup:
     
    zippsub9, Feb 25, 2019
    #3988
  9. Feb 25, 2019 at 9:22 PM
    #3989
    TRON

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    TRON Well-Known Member

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    I contemplated getting that tune many years ago but it was very aggressive. Not positive but I think a couple engines were damaged by that tune. And by that time APR was on the way out and only one person really knew how to tune it properly.

    I still think e85 is a good choice tuned right with an ECA. Remember e85 is like 115 rated octane and has 3 times the cooling effect of gasoline.

    The question is. Can @OVTune control an ECA injunction with the stock ECU.
     
    TRON, Feb 25, 2019
    #3989
  10. Feb 26, 2019 at 4:40 AM
    #3990
    OVTune

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    OVTune [OP] Well-Known Member

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    Flex Fuel is being worked on for these ECUs already by us with a special patch.
     
    OVTune, Feb 26, 2019
    #3990
    TRON[QUOTED], Murphinator and TodayWasTHeDaY like this.
  11. Feb 26, 2019 at 10:35 AM
    #3991
    ThomasMore66

    #3991
    ThomasMore66 We can't stop here, this is bat country!

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    I still want to know if we can manage the 322 g/s air-flow issue with OV.

    How much hp do you think our little engine can handle?
     
    ThomasMore66, Feb 26, 2019
    #3991
  12. Feb 26, 2019 at 10:38 AM
    #3992
    OVTune

    #3992
    OVTune [OP] Well-Known Member

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    From looking at the ECU the stock MAF curve ends at 323 g/s

    Scaling for a larger intake diameter, the maximum G/sec that can be put in the MAF scale (limit of 16byte 65xxx) is 511 g/sec
     
    OVTune, Feb 26, 2019
    #3992
    TodayWasTHeDaY likes this.
  13. Feb 26, 2019 at 10:51 AM
    #3993
    JacksonTacoma

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    JacksonTacoma Well-Known Member

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    511 g/s * 1.18 = 603 crank hp

    Sounds good to me
     
    JacksonTacoma, Feb 26, 2019
    #3993
  14. Feb 26, 2019 at 11:41 AM
    #3994
    TRON

    #3994
    TRON Well-Known Member

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    Stock internals definitely can’t stand anything north of 400 rwhp. Regardless, the TRD setup couldn’t get that high anyway. I think a heavy modded TRD setup with an excellent e85 tune could get around 385 rwhp.
     
    TRON, Feb 26, 2019
    #3994
  15. Feb 26, 2019 at 11:45 AM
    #3995
    TRON

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    TRON Well-Known Member

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    Care to elaborate?
     
    TRON, Feb 26, 2019
    #3995
    Murphinator likes this.
  16. Feb 26, 2019 at 11:46 AM
    #3996
    Murphinator

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    Murphinator Well-Known Member

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    Looking forward to this.

    If I took my truck to delicious tuning could they adjust the tune you made me for bigger injectors/smaller pulley, or would they have to make a completely new tune?
     
    Murphinator, Feb 26, 2019
    #3996
  17. Feb 26, 2019 at 11:55 AM
    #3997
    ThomasMore66

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    ThomasMore66 We can't stop here, this is bat country!

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    So, what are you envisioning for larger intake diameter? Maybe I’m stupid here. I’ve got an aftermarket intake. The inlet diameter of the throttle body is fixed. Inlet diameter of the supercharger is fixed.
     
    ThomasMore66, Feb 26, 2019
    #3997
  18. Feb 26, 2019 at 12:00 PM
    #3998
    OVTune

    #3998
    OVTune [OP] Well-Known Member

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    OVTune
    The diameter of the maf tube. Same way rescaling MAF on any car.
     
    OVTune, Feb 26, 2019
    #3998
  19. Feb 26, 2019 at 12:08 PM
    #3999
    ThomasMore66

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    ThomasMore66 We can't stop here, this is bat country!

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    Oh. That’s like changing the diameter of an orifice in a plate-type meter. Ok, so a Tundra maf has a bigger port or something like that. I don’t think there is an after market one.
     
    ThomasMore66, Feb 26, 2019
    #3999
  20. Feb 26, 2019 at 12:17 PM
    #4000
    ThomasMore66

    #4000
    ThomasMore66 We can't stop here, this is bat country!

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    @Torspd, @TRON, thoughts on this? Is there another maf sensor that can be used? I think we touched on this before but I didn't understand.
     
    ThomasMore66, Feb 26, 2019
    #4000
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