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TRD supercharger driving characteristics

Discussion in 'Performance and Tuning' started by Amo-cat3, Aug 23, 2011.

  1. Aug 23, 2011 at 2:11 AM
    #1
    Amo-cat3

    Amo-cat3 [OP] Wizard Sleeve Master

    Joined:
    Jan 26, 2009
    Member:
    #12980
    Messages:
    409
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    Male
    Maui, Hawaii
    Vehicle:
    07 TRD Blown dubcab
    TRD Supercharged, 2.7" URD Pulley, APR X1, AFE Stage II intake, DT Longtubes, MBRP 2.5" dual exhaust w/ Vibrant Ultra resonator, URD Y-pipe w/ vibrant v-bands (Cat free), Walboro 255 fuel pump, SS Oil catch can, Aeroforce gauges, Leeper 2.5 coilover set at 3", 1.5" Alcan aal, Light racing uca, 17x8.5 Fuel Anza 4.5" backspace/-6 mm offset, m/t atz 265/70/17, 1.25 spidertrax, scanguage 2, AMP electric steps, bed extender, Low-pro tonneau cover, 20% tinted windows/headlights/taillights, tacoma seat covers, Image dynamic sound system w/ Pinoneer avh3200 head, assrtd stickers................
    Hey all,

    I finished installing my charger today and i'm pretty sure i flashed the map correctly in the apr x1 with my thumbdrive (won't know for sure until i get a usb cable for my laptop).
    Drove it a few times today and a few things concern me so far:
    On cold starts it idles really rough. It accelerates nice and smooth (no full throttle runs yet) but if you let off the gas after being in boost it lags or de-accelerates kind of hard, like a down shift. Hard to explain- Is this normal? Is driving with a supercharger supposed to be this herky jerky - i figured it would be smoother with my auto trans.

    My A/FR's look to be on target, but this is with a scanguage II. Cruising at 50mph my A/FR hangs at about 14.5. At about 60% throttle it dipped to about 13.2, but climbed back up.

    Once i can confirm that i have the correct calibration in my X1 than that's one less thing to troubleshoot.
     
  2. Aug 23, 2011 at 4:04 AM
    #2
    roxspin72

    roxspin72 Enjoying my addiction

    Joined:
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    Speedway Blue, TRD, 4X4,
    Oh Yeah!!!
    Should'nt have that herky jerky feel. Last time I had that was because my MAP that was flashed was not getting good MAF readings due to my Volant Intake. Fixed that with a Correct MAP, but deffinately changed intakes when I installed the SC.

    Did you not get a USB cable with your X-1? Mine came with one. I would hurry and get one ASAP. Only way to know whats really going on, and what MAP you flashed to your ECU.

    Good Luck..
     
  3. Aug 23, 2011 at 9:55 AM
    #3
    Amo-cat3

    Amo-cat3 [OP] Wizard Sleeve Master

    Joined:
    Jan 26, 2009
    Member:
    #12980
    Messages:
    409
    Gender:
    Male
    Maui, Hawaii
    Vehicle:
    07 TRD Blown dubcab
    TRD Supercharged, 2.7" URD Pulley, APR X1, AFE Stage II intake, DT Longtubes, MBRP 2.5" dual exhaust w/ Vibrant Ultra resonator, URD Y-pipe w/ vibrant v-bands (Cat free), Walboro 255 fuel pump, SS Oil catch can, Aeroforce gauges, Leeper 2.5 coilover set at 3", 1.5" Alcan aal, Light racing uca, 17x8.5 Fuel Anza 4.5" backspace/-6 mm offset, m/t atz 265/70/17, 1.25 spidertrax, scanguage 2, AMP electric steps, bed extender, Low-pro tonneau cover, 20% tinted windows/headlights/taillights, tacoma seat covers, Image dynamic sound system w/ Pinoneer avh3200 head, assrtd stickers................
    It's been a year since flashing my x1 for my headers and don't know where i put the cable. Do you know if it's a standard A/B type usb chord or do i need to order a special one.

    Yeah, when i let off the gas it kind of downsurges/upsurge, just not smooth at all. I'll try to call APR and Gadget today.
     
  4. Aug 23, 2011 at 12:07 PM
    #4
    Lucario Runner

    Lucario Runner Resident SUV racer

    Joined:
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    2,017
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    First Name:
    Robert
    San Antonio, TX
    Vehicle:
    06 Toyota 4Runner
    AFE stage II intake, APR X1, URD 70mm Throttle Valve (ported and knife edged), NST intake manifold spacer, URD spec U headers, Denso IKH20, URD fuel pump, APR fuel rail, URD Y pipe, Greddy sandwich cooler plate, Earls oil cooler, FJ TRD shocks, Cusco front and rear sway bars, LC Engineering sway bushings, ES rear track rod bushings, Carbotech pads, Stoptech ss brake lines, Stoptech slotted rotors, Limited Grill, Painted hatch cover by me, Painted valve covers by me, Cobra CB, TRD rad and oil cap, Escort 8500, Autometer oil psi and temp gauges, Flexpod, Pioneer 400w speakers.
    Have you done any datalogs? how does the fuel and spark look?
     
  5. Aug 23, 2011 at 2:28 PM
    #5
    Amo-cat3

    Amo-cat3 [OP] Wizard Sleeve Master

    Joined:
    Jan 26, 2009
    Member:
    #12980
    Messages:
    409
    Gender:
    Male
    Maui, Hawaii
    Vehicle:
    07 TRD Blown dubcab
    TRD Supercharged, 2.7" URD Pulley, APR X1, AFE Stage II intake, DT Longtubes, MBRP 2.5" dual exhaust w/ Vibrant Ultra resonator, URD Y-pipe w/ vibrant v-bands (Cat free), Walboro 255 fuel pump, SS Oil catch can, Aeroforce gauges, Leeper 2.5 coilover set at 3", 1.5" Alcan aal, Light racing uca, 17x8.5 Fuel Anza 4.5" backspace/-6 mm offset, m/t atz 265/70/17, 1.25 spidertrax, scanguage 2, AMP electric steps, bed extender, Low-pro tonneau cover, 20% tinted windows/headlights/taillights, tacoma seat covers, Image dynamic sound system w/ Pinoneer avh3200 head, assrtd stickers................
    Alright,

    I was on the phone earlier with David from APR - top shape customer service and had a lot of patience going over xtune with me. First off, if any of you lose your usb chord you can use any standard A/B type usb chord (no special chord required).

    So got the correct drivers installed and hooked my laptop to the X1 and even though i flashed the supercharger map with my thumbdrive my xtune on my laptop showed i was still running the N/A map.
    Got the supercharger map installed and everything runs MUCH smoother. Still a little harsh when you step off the gas, but overall better.
    I've never data logged before, but it seems pretty striaghtforward. I got the "how to data log" from XR-underground and will try to get some logs in to see overall performance.
     
  6. Aug 23, 2011 at 2:30 PM
    #6
    Lucario Runner

    Lucario Runner Resident SUV racer

    Joined:
    Jun 29, 2011
    Member:
    #59067
    Messages:
    2,017
    Gender:
    Male
    First Name:
    Robert
    San Antonio, TX
    Vehicle:
    06 Toyota 4Runner
    AFE stage II intake, APR X1, URD 70mm Throttle Valve (ported and knife edged), NST intake manifold spacer, URD spec U headers, Denso IKH20, URD fuel pump, APR fuel rail, URD Y pipe, Greddy sandwich cooler plate, Earls oil cooler, FJ TRD shocks, Cusco front and rear sway bars, LC Engineering sway bushings, ES rear track rod bushings, Carbotech pads, Stoptech ss brake lines, Stoptech slotted rotors, Limited Grill, Painted hatch cover by me, Painted valve covers by me, Cobra CB, TRD rad and oil cap, Escort 8500, Autometer oil psi and temp gauges, Flexpod, Pioneer 400w speakers.
    Yeah when I change my tune I prefer using my laptop. That way you can see what is uploaded.
     
  7. Aug 24, 2011 at 6:14 AM
    #7
    roxspin72

    roxspin72 Enjoying my addiction

    Joined:
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    Messages:
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    Vehicle:
    Speedway Blue, TRD, 4X4,
    Oh Yeah!!!
    Now all you have to do is make sure your AFR's are straight and all parameters seem in check once you data log. Gadget and or David are top notch guys. I have had plenty of on phone tech support from both, and they got me where I needed to be. Once I get my final set up, I plan on driving up to visit G-man up in Maryland, pending his schedule; and having him tune my truck in person. I want that 100% assurance that it's all running to spec.

    As far as the little bit of harsh feel, if your tune is correct, Ie.. right tune for Cats or no cats/AFR's are good/Inj's are compensating and not being maxed out... I would do a couple of full throttle runs. When you hit a certain % of throttle the X-1 takes full control and adjust to your setup. But remember I said pending the above specs.

    Good luck, soon you will be enjoying Boost and looking for your next mod...

    Laters.
     
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