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The Death Trap - Street Build TRD Supercharged 2011 SR5

Discussion in '2nd Gen. Builds (2005-2015)' started by Athlaos, May 14, 2018.

Page 8 of 47
  1. Jul 7, 2018 at 11:31 PM
    #141
    Athlaos

    #141
    Athlaos [OP] Destruction Mode

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    A flux retro-capacitance encabulator
    We'll be putting that 1.8" pulley on there yet! Lol
     
    Athlaos, Jul 7, 2018
    #141
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  2. Jul 8, 2018 at 12:55 AM
    #142
    Athlaos

    #142
    Athlaos [OP] Destruction Mode

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    So I sharpened the pencil to see where I am on this chart. 350hp is approximately 415m3/hr. Maybe as high as 460 if we consider crank hp. Pressure ratio is 1.8-2.0 depending on how much vacuum is behind the rotors...

    So I’m looking at somewhere around 56-58% efficiency. This isn’t that far off the maximum of 62%. Therefore, I assume the lower efficiency is probably a small factor in my torque drop off, and intake restrictions are the biggest factor.
     
    Athlaos, Jul 8, 2018
    #142
    O.o, SnozzCumber, Biscuits and 3 others like this.
  3. Jul 9, 2018 at 2:20 PM
    #143
    Athlaos

    #143
    Athlaos [OP] Destruction Mode

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    Athlaos, Jul 9, 2018
    #143
    O.o, SnozzCumber, Roostfactor and 5 others like this.
  4. Jul 9, 2018 at 2:33 PM
    #144
    White lightning boosted

    #144
    White lightning boosted Well-Known Member

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    Is 2018 your results?
     
    White lightning boosted, Jul 9, 2018
    #144
  5. Jul 9, 2018 at 2:34 PM
    #145
    Athlaos

    #145
    Athlaos [OP] Destruction Mode

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    Ya. Whoops, I forgot to change that.
     
    Athlaos, Jul 9, 2018
    #145
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  6. Jul 9, 2018 at 2:37 PM
    #146
    White lightning boosted

    #146
    White lightning boosted Well-Known Member

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    If I'm reading correctly stock trd hp tops out at 230ish. Seems kinda low.
     
    White lightning boosted, Jul 9, 2018
    #146
  7. Jul 9, 2018 at 2:42 PM
    #147
    Athlaos

    #147
    Athlaos [OP] Destruction Mode

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    @White lightning boosted I am friends with a guy who got not much more than 250 and it was a much cooler day out.... I tried to find a chart that keeps the ambient conditions the same as when I did my dyno.
     
    Athlaos, Jul 9, 2018
    #147
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  8. Jul 9, 2018 at 3:47 PM
    #148
    White lightning boosted

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    White lightning boosted Well-Known Member

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    Ok. Just curious. What elevation were those runs at?
     
    White lightning boosted, Jul 9, 2018
    #148
  9. Jul 9, 2018 at 7:25 PM
    #149
    ThomasMore66

    #149
    ThomasMore66 We can't stop here, this is bat country!

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    I’ve got to see that on a bigger screen than my phone.
     
    ThomasMore66, Jul 9, 2018
    #149
  10. Jul 9, 2018 at 7:41 PM
    #150
    bendilzerian

    #150
    bendilzerian Well-Known Member

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    Thats awesome, thanks for putting that together. Just to make it a bit busier, could you post a version with a stock engine on there? What I'm surprised at is the low end torque on the URD kit being comparable to the TRD charger, I would have thought that the rotrex blower wouldn't be as strong down low
     
    bendilzerian, Jul 9, 2018
    #150
  11. Jul 9, 2018 at 9:10 PM
    #151
    White lightning boosted

    #151
    White lightning boosted Well-Known Member

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    If yours are the 2018 #s @Athlaos that's pretty impressive man:thumbsup:
     
    White lightning boosted, Jul 9, 2018
    #151
    Roostfactor, Athlaos[OP] and BassAckwards like this.
  12. Jul 9, 2018 at 10:27 PM
    #152
    Athlaos

    #152
    Athlaos [OP] Destruction Mode

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    Edmonton is 2100ft I believe, the chart that I got the stock TRD SC from didn't have elevation info... the URD ones I'd have to guess are 450ft based on their shop location.
     
    Athlaos, Jul 9, 2018
    #152
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  13. Jul 9, 2018 at 10:28 PM
    #153
    Athlaos

    #153
    Athlaos [OP] Destruction Mode

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    Thanks, I am really happy with that low end. Already thinking of cheap ways to move that high-end torque up, though.
     
    Athlaos, Jul 9, 2018
    #153
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  14. Jul 9, 2018 at 11:25 PM
    #154
    Athlaos

    #154
    Athlaos [OP] Destruction Mode

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    Here's a new chart.

    I am starting to wonder if there was something weird with the Stock TRD Supercharged data I used - seemed like the conditions were the same but maybe they weren't.

    upload_2018-7-10_0-23-27.jpg
     
    Athlaos, Jul 9, 2018
    #154
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  15. Jul 10, 2018 at 5:20 AM
    #155
    White lightning boosted

    #155
    White lightning boosted Well-Known Member

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    I think you're torque is where you need it. I'm surprised it doesn't taper off more at the top end.
     
    White lightning boosted, Jul 10, 2018
    #155
    Athlaos[OP] likes this.
  16. Jul 10, 2018 at 4:43 PM
    #156
    bendilzerian

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    bendilzerian Well-Known Member

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    That torque you have is impressive...you attribute that mostly to the meth?
     
    bendilzerian, Jul 10, 2018
    #156
  17. Jul 10, 2018 at 4:55 PM
    #157
    Athlaos

    #157
    Athlaos [OP] Destruction Mode

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    I don't think so, all water/meth is doing is allowing a little extra timing to be added in. The effect of that would be close to not noticeable. I think a 2.0" pulley combined with all the other breather and exhaust mods are making the difference.
     
    Athlaos, Jul 10, 2018
    #157
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  18. Jul 10, 2018 at 5:10 PM
    #158
    White lightning boosted

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    White lightning boosted Well-Known Member

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    I concur. Having a pulley that small is a big jump even from a 2.5.
     
    White lightning boosted, Jul 10, 2018
    #158
  19. Jul 11, 2018 at 9:24 PM
    #159
    Roostfactor

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    Roostfactor Well-Known Member

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    Thanks for posting @Athlaos. I dont remember if you have covered this before but do you have any datalogs from the UCON? I am curious what your max maf is?
     
    Last edited: Jul 12, 2018
    Roostfactor, Jul 11, 2018
    #159
  20. Jul 12, 2018 at 5:50 AM
    #160
    Torspd

    #160
    Torspd Tor-nication

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    This is a superb question.
     
    Torspd, Jul 12, 2018
    #160
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