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TRD S/C w/ NST Pulleys - Thoughts?

Discussion in '2nd Gen. Tacomas' started by SManZ, Jul 13, 2010.

  1. Jul 13, 2010 at 4:34 AM
    #1
    SManZ

    SManZ [OP] el tráfico más lento se queda derecha

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    Do any of you guys have the TRD S/C with the NST crank/water pump/power steering pulleys?

    I noticed that after the S/C was installed the engine speed hangs for a while when I clutch in. Kind of annoying when shifting. Do the pulleys make a difference in this application or is there just too much rotating mass now?
     
  2. Jul 13, 2010 at 4:56 AM
    #2
    Brunes

    Brunes abides. Thor

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    That hang is common to all the 6 speeds. With the blower on there the load on the engine is a bit higher so it probably hangs a bit longer.

    Under harder accel that hang is longer to clear the cylinders, under granny accel I barely notice it. The supercharger is making your engine act like higher loads all the time maybe??
     
  3. Jul 13, 2010 at 5:16 AM
    #3
    SpaceMonkey

    SpaceMonkey Well-Known Member

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    I have the NST overdrive kit and lite kit. I recommend it for the extra boost. There is a guy on XRU who is selling his overdrive kit for cheap. I think it's Mano.
     
  4. Jul 13, 2010 at 5:20 AM
    #4
    SManZ

    SManZ [OP] el tráfico más lento se queda derecha

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    Either its acting like its under higher loads or the additional rotating mass is doing the inertia thing.

    The rpm hang was noticeable without the S/C but not too bad. It would drop down to where it should be by the time I had shifted if I wasn't in a hurry. Now it will hang for a while if I shift at 2500rpm and up. I am letting off the throttle just before clutching in.
     
  5. Jul 13, 2010 at 5:22 AM
    #5
    SManZ

    SManZ [OP] el tráfico más lento se queda derecha

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    TRD Supercharger, King 2.5" extended travel remote-resi coilovers, OME Dakar leaf packs, King 2.5" extended travel rear shocks, Total Chaos UCAs, MBRP turndown exhaust, TRD intake, TRD Quickshifter, Goodridge SS brake lines, EBC Sport Rotors, Hawk HPS pads, TRD FJ Cruiser Special Edition 16" Anthracite Rims, Spidertrax wheel spacers, 265/75R16 A/T, Autometer oil pressure, oil temp gauges, TRD boost gauge, PLX DM-100 OBD II scanner, flexpod mounts, A-pillar gauge pods
    Cool :) For right now I think I'll keep the stock S/C pulley. After I get the AFR sensor and MAF calibrator installed I might think about playing with the overdrive pulleys.

    Do the NST lite pulleys change the engine response on and off throttle with the S/C?
     
  6. Jul 13, 2010 at 6:03 AM
    #6
    SpaceMonkey

    SpaceMonkey Well-Known Member

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    ^ I had the lite pulleys before my s/c. The crank pulley made the biggest difference. Better acceleration.

    Hey can you take a look at my thread over on XRU and see if your s/c has the same noise? I think it's worse sounding in the video than it really is

    http://www.xr-underground.com/forum/showthread.php?t=37962
     
  7. Jul 13, 2010 at 10:01 AM
    #7
    SManZ

    SManZ [OP] el tráfico más lento se queda derecha

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    TRD Supercharger, King 2.5" extended travel remote-resi coilovers, OME Dakar leaf packs, King 2.5" extended travel rear shocks, Total Chaos UCAs, MBRP turndown exhaust, TRD intake, TRD Quickshifter, Goodridge SS brake lines, EBC Sport Rotors, Hawk HPS pads, TRD FJ Cruiser Special Edition 16" Anthracite Rims, Spidertrax wheel spacers, 265/75R16 A/T, Autometer oil pressure, oil temp gauges, TRD boost gauge, PLX DM-100 OBD II scanner, flexpod mounts, A-pillar gauge pods
    When you put your camera in front of the S/C pulley you can hear a high pitched creaking noise. I don't have that. At the end of the video it doesn't seem to change when you increase engine speeds. Any idea where that is coming from?

    I do have the rattle type noise that can be heard loudest when you move the camera to the side of the S/C housing.
     
  8. Jul 13, 2010 at 10:24 AM
    #8
    SpaceMonkey

    SpaceMonkey Well-Known Member

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    I thought that high pitched noise might be my blower belt. Maybe it's on too tight which is good I guess. Not sure. It could also be a bearing going bad on the stock idler pulley. Thanks for taking the time to review the video.
     
  9. Jul 13, 2010 at 10:31 AM
    #9
    SManZ

    SManZ [OP] el tráfico más lento se queda derecha

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    '10 Supercharged 4x4 Sport 6-spd
    TRD Supercharger, King 2.5" extended travel remote-resi coilovers, OME Dakar leaf packs, King 2.5" extended travel rear shocks, Total Chaos UCAs, MBRP turndown exhaust, TRD intake, TRD Quickshifter, Goodridge SS brake lines, EBC Sport Rotors, Hawk HPS pads, TRD FJ Cruiser Special Edition 16" Anthracite Rims, Spidertrax wheel spacers, 265/75R16 A/T, Autometer oil pressure, oil temp gauges, TRD boost gauge, PLX DM-100 OBD II scanner, flexpod mounts, A-pillar gauge pods
    Sure Space, np. It doesn't sound like it changes frequency with engine speeds in the video - what does it sound like in person? Might want to just try a shot of belt dressing and see if that changes the noise to help you isolate it.

    Hey, tell me about that oil catch can thing in the other thread!
     
  10. Jul 13, 2010 at 3:55 PM
    #10
    SpaceMonkey

    SpaceMonkey Well-Known Member

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    Good tip. Thanks. Sorry, been real busy at work and didn't get a chance to respond to your thread.
     
  11. Jul 13, 2010 at 4:51 PM
    #11
    Coupe

    Coupe Well-Known Member

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    Lots baby!
    I have the same issue. My guess, since the rotating mass is lighter, the rpms are not going to fall off as fast, when your foot comes off the throttle.
     
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