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Engine Programmers - What am I missing here??

Discussion in 'Technical Chat' started by storktaylor, Jul 17, 2009.

  1. Jul 17, 2009 at 3:05 PM

    storktaylor [OP] Well-Known Member

    Jul 10, 2009
    California, MD
    09 Pre-Runner SR5
    Bak FLip G2 ScanGauge2 Black Labrador Retriever
    I know that I am new here, so this may have already been addressed. I tried to search for this and did not answer my question.

    If I can go and buy an aftermarket gizmo (not a cheap one either, about $500) that I hook up to my Taco and reprogram the motor so it has more power, gets better mileage, etc..., then why didn't the manufacterer do that in the first place? It seems like MPG and HP are pretty big selling factors for a truck, don't you think that Toyota would have done this??

    One ad for such a product makes the following claims:

    Packs up to 57hp extra into the pedal of gas-fueled rides
    Vehicles testing experienced gains of up to 1.5 to 6 MPG
    Expertly tuned across the power band for extra juice at any RPM
    Mapped to keep damaging temps low without de-fueling that kills power
    Engineered to thrill—even when towing up to 10,000lbs.
    Optimized transmission settings always have you in the right gear

    I would think that the guys who spent years designing, building, and testing this truck probably know more about how the motor and transmission should be configured than a company that has one box that promises all of these things above for any car/truck/van/motorcycle/bicycle/rickshaw. If Toyota could deliver a Taco that got and EPA 27 MPG and had 50 more HP, don't you think they would?? Like I said at the beginning I must be missing something, please let me know what it is.
  2. Jul 17, 2009 at 3:11 PM

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

    Feb 17, 2008
    First Name:
    Eastern side of the Sierras, NV
    07 SR5 4x4> 03 SR5 4x4 total> 14 Crewmax TRD
    Had tons on the Taco's.... new truck is pretty stock
    well, alot of the 'tuners' you see in places like ebay are fakes and make outrageous claims, but companies like Banks, Bullydog, Hypertec and others really can get most of those claims accomplished(on diesel trucks). I think it would have to do with emissions regulations as well as long term reliabilty that keeps manufacturers from tuning their vehicles differently.
  3. Jul 17, 2009 at 3:14 PM

    TacoBlanco Active Member

    Jun 5, 2009
    San Diego
    '08 SW DC LB Trd Sport
    Which is why everyone else better cars than we do. Administration has Automakers by the nuts.
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