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Kyitty's Humble Build Thread

Discussion in '2nd Gen. Builds (2005-2015)' started by Kyitty, Aug 1, 2015.

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  1. Jul 25, 2016 at 7:49 PM
    #181
    ChadsPride

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    ChadsPride Tacoma Owner & Enthusiast

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    Haha!!! Man you just made me laugh so much. "I'm actually scared to get on the interstate" you couldn't imagine how funny that was to me!

    Can't wait to hear how it sounds after the resonator is on!!

    upload_2016-4-19_8-21-46.jpg
     
    ChadsPride, Jul 25, 2016
    #181
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  2. Jul 25, 2016 at 7:50 PM
    #182
    Kyitty

    #182
    Kyitty [OP] Mr. Beard

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    LOL Glad I could bring you a chuckle. :)

    With the windows rolled up doing 78-80 the interstate wasn't actually as bad as I thought cruising along at 2,900 RPM. Had the radio off the whole way even. Still... could be better.
     
    Kyitty, Jul 25, 2016
    #182
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  3. Jul 25, 2016 at 8:15 PM
    #183
    Juforrest

    #183
    Juforrest Dumb!

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    Sorry to hear the not goods on headers so far. Sounds like your day was about as crappy as mine. Fingers crossed for big power.
     
    Juforrest, Jul 25, 2016
    #183
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  4. Jul 25, 2016 at 10:36 PM
    #184
    Kyitty

    #184
    Kyitty [OP] Mr. Beard

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    Hopefully the resonator cleans things up a good bit! Then we'll hope for some power gains to make all this money and time actually worth something...
     
    Kyitty, Jul 25, 2016
    #184
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  5. Jul 26, 2016 at 12:28 AM
    #185
    SonnyBones

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    Damn man! All that trouble to get those headers in, and for it to sound like that?! I sure do hope those resonators get the job done. As for HP numbers, I still think they'll put out some decent numbers. Fingers crossed!
     
    SonnyBones, Jul 26, 2016
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  6. Jul 27, 2016 at 8:03 AM
    #186
    Kyitty

    #186
    Kyitty [OP] Mr. Beard

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    So after 2 days my check engine light came on. Code P013A. O2 Sensor.

    So much for URD's O2 simulator...

    20160727_085648.jpg

    20160727_085359.jpg

    P013A - Oxygen Sensor Slow Response Rich to Lean Bank 1 Sensor 2
     
    Last edited: Jul 27, 2016
    Kyitty, Jul 27, 2016
    #186
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  7. Jul 27, 2016 at 8:17 AM
    #187
    ChadsPride

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    ChadsPride Tacoma Owner & Enthusiast

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    :annoyed:
     
    ChadsPride, Jul 27, 2016
    #187
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  8. Jul 27, 2016 at 9:09 AM
    #188
    Juforrest

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    Juforrest Dumb!

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    Where is the dislike button?
     
    Juforrest, Jul 27, 2016
    #188
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  9. Jul 27, 2016 at 9:35 AM
    #189
    Kyitty

    #189
    Kyitty [OP] Mr. Beard

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    I'm expecting HP gains. After seeing the factory "header" I was shocked. Literally all three ports dump into one trough like an inch from the motor. They do not travel at all before mixing. And within just a few inches they go straight into a catalytic converter. You've got instantaneous bottle neck for exhaust flow.
     
    Kyitty, Jul 27, 2016
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  10. Jul 27, 2016 at 11:13 AM
    #190
    SonnyBones

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    It sure did look like that when I saw the picture of stock "exhaust manifold" lol. Still excited to see what the URD headers can do on the dyno. Kinda sucks another cel came on though :(

    In the meantime, I'll slaving away at unloading the Pelfrey HC W/Swingout by hand :(

    image.jpg
     
    SonnyBones, Jul 27, 2016
    #190
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  11. Jul 27, 2016 at 11:14 AM
    #191
    Kyitty

    #191
    Kyitty [OP] Mr. Beard

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    You got your work cut out for you unloading that by yourself!! That's not light weight.
     
    Kyitty, Jul 27, 2016
    #191
  12. Jul 27, 2016 at 11:15 AM
    #192
    SonnyBones

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    290lbs of steel!!
     
    SonnyBones, Jul 27, 2016
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  13. Jul 27, 2016 at 11:16 AM
    #193
    Kyitty

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    Kyitty [OP] Mr. Beard

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    Hope you have aftermarket leaf springs! LOL
     
    Kyitty, Jul 27, 2016
    #193
  14. Jul 27, 2016 at 11:21 AM
    #194
    SonnyBones

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    Expos arrived the week before. But I'm tempted to just mount the HC on stock suspension! :). Saving up for Kings suspension, haven't decided on UCA yet.

    image.jpg
     
    SonnyBones, Jul 27, 2016
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  15. Jul 27, 2016 at 6:40 PM
    #195
    Kyitty

    #195
    Kyitty [OP] Mr. Beard

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    After 24 miles my check engine light came back on. Same P013A error code. O2 sensor issue. I need to call URD tomorrow I guess.
     
    Kyitty, Jul 27, 2016
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  16. Jul 28, 2016 at 3:52 PM
    #196
    Kyitty

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    Kyitty [OP] Mr. Beard

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    Okay - got a 12" Vibrant Resonator installed today. Changed the exhaust sound a LOT. Much more mellow - and the clapping, popping, clanking rasp of yesterday is gone. I can accelerate now! Yay! So tomorrow we'll be dyno testing to see if these URD Headers (and lack of catalytic converter) have any benefit.

    Here's a comparative video showing before, after, and today.
     
    Kyitty, Jul 28, 2016
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  17. Jul 28, 2016 at 3:57 PM
    #197
    Juforrest

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    Juforrest Dumb!

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    Fingers crossed. How's the CEL problem?
     
    Juforrest, Jul 28, 2016
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  18. Jul 28, 2016 at 7:23 PM
    #198
    SonnyBones

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    ^^^x2. How's the CEL problem
     
    SonnyBones, Jul 28, 2016
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  19. Jul 28, 2016 at 9:16 PM
    #199
    squint0241

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    squint0241 OVRLND

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    Sounds great now!!:thumbsup:
     
    squint0241, Jul 28, 2016
    #199
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  20. Jul 29, 2016 at 10:25 AM
    #200
    Kyitty

    #200
    Kyitty [OP] Mr. Beard

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    Okay final results are in!



    These are "real" RWHP numbers (i.e. the small number). Blue line is WITH the URD SPEC-U headers. Red line was before install.

    It is hard to tell, but as advertised, there are gains in all RPM ranges (at least on TQ). It's nice to see no losses at low RPM. That's where I want it for offroad uses!

    Because my truck is an automatic the graph looks pretty weird!


    Gain of roughly 16 HP and 24 TQ.
     
    Last edited: Jul 29, 2016
    Kyitty, Jul 29, 2016
    #200
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