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Turbo BS Thread

Discussion in 'Performance and Tuning' started by Clay_916, Mar 20, 2017.

  1. Apr 30, 2020 at 9:33 AM
    Torspd

    Torspd Tor-nication

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    Noticing a trend with you 4cylinder guys. Basically most of y'all have the .6x A/R's.

    What rpm all y'all hitting max boost in 1st gear?
     
  2. Apr 30, 2020 at 9:36 AM
    Torspd

    Torspd Tor-nication

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    Done anymore driving today? Get anymore visual data?
     
  3. Apr 30, 2020 at 9:42 AM
    05Taco4x4

    05Taco4x4 ToyotaHubs

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    Define max boost. This one is factory set to 26 psi iirc and guys run it into the 30s, I'm running it at 8psi atm
     
  4. Apr 30, 2020 at 9:44 AM
    05Taco4x4

    05Taco4x4 ToyotaHubs

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    having said that, I haven't really tested that so not sure. Next time I go somewhere I'll give you an answer :thumbsup:
     
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  5. Apr 30, 2020 at 9:48 AM
    Torspd

    Torspd Tor-nication

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    What every your max boost that you are using, is.
     
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  6. Apr 30, 2020 at 9:53 AM
    05Taco4x4

    05Taco4x4 ToyotaHubs

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    I doubt mine will hit 8psi in first, we'll see
     
  7. Apr 30, 2020 at 10:00 AM
    Jon64l

    Jon64l Well-Known Member

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    Quick update.

    I was able to get 5psi at about 2300rpm at part throttle in overdrive today. Any more pedal and it drops a gear into 3rd.
     
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  8. Apr 30, 2020 at 10:10 AM
    Torspd

    Torspd Tor-nication

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    That is an improvement, yes? That's very early.
     
  9. Apr 30, 2020 at 10:15 AM
    MadTaco461

    MadTaco461 BRO runner

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    My first gear is pretty short. I probably hit max boost in that gear probably 5k rpms. It feels like it is still building when I'm getting ready to shift.
     
  10. Apr 30, 2020 at 10:20 AM
    Jon64l

    Jon64l Well-Known Member

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    Yes, definitely more than before with the 1.03.
     
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  11. Apr 30, 2020 at 10:25 AM
    05Taco4x4

    05Taco4x4 ToyotaHubs

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    That’s a great point, my R155 is pretty tall
     
  12. Apr 30, 2020 at 10:26 AM
    05Taco4x4

    05Taco4x4 ToyotaHubs

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    Is why I’m still eyeing the auto conversion
     
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  13. Apr 30, 2020 at 10:46 AM
    Torspd

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    I have such a long first gear. 2.66, with a 3.73 final. With my old exhaust setup, with this 1.04, it was still breaking threshold at 2k.
     
  14. Apr 30, 2020 at 11:25 AM
    Torspd

    Torspd Tor-nication

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    Obvious question, but going to ask anyway. Your speedo has been corrected for the tire size, yes?
     
  15. Apr 30, 2020 at 11:27 AM
    MadTaco461

    MadTaco461 BRO runner

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    Wow your first might be as long as my 2nd. Maybe I should rephrase. All my gears are short. I have an R155 in my truck. 1st gear is 3.95 and I'm 4.56 on 33's MT

    Maybe I can get in the truck and bang thru the gears on the gopro this week. I need to drive that poor thing.
     
  16. Apr 30, 2020 at 11:30 AM
    Torspd

    Torspd Tor-nication

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    Heck yeah! I'd like to see that!

    It is a celebratory event, everytime I get into 6th. Being a .50. Never need it, unless cruising way out down I-10.
     
    MadTaco461[QUOTED] likes this.
  17. Apr 30, 2020 at 11:35 AM
    Bloodytaco208

    Bloodytaco208 Well-Known Member

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    Ive never hit max boost in first i rarely hit boost in 1st gear. Due to gearing i rarely put a load on the engine large to create enough drive pressure to create positive pressure. Maybe when im whèeling or pulling a trailer is when i can hit boost in 1st.
     
  18. Apr 30, 2020 at 11:42 AM
    Torspd

    Torspd Tor-nication

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    I apologize. Could you remind me of the specs of your turbo again?
     
  19. Apr 30, 2020 at 11:45 AM
    05Taco4x4

    05Taco4x4 ToyotaHubs

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    To the best of my ability, yes
     
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  20. Apr 30, 2020 at 11:46 AM
    05Taco4x4

    05Taco4x4 ToyotaHubs

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    Ok, I’m 4.1 on 32s atm
     
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