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Need just little more

Discussion in 'Performance and Tuning' started by feldman28, Aug 30, 2011.

  1. Sep 5, 2011 at 1:15 PM
    #21
    XrunnIT

    XrunnIT Well-Known Member

    Joined:
    Jul 6, 2008
    Member:
    #7770
    Messages:
    856
    Gender:
    Male
    Austin, TX
    Vehicle:
    1GR-GZE X-Runner
    Built Motor by LC Engineering Boosted by TRD
    This isn't at all accurate. I ran the K&N cai on my truck for 3 years. With the K&N intake, a tune, and exhaust, I saw a 70hp gain on a boosted truck. *Note this is on a DynoDynamics dyno, which reads lower then a dynojet due to being a loaded dyno, not inertia (as you can tell by the stock dyno).

    Stock - 181rwhp/230rwtq (80*/40% humidity)
    Stock TRD S/C - 229rwhp/280rwtq (93*/44% humidity)
    TRD S/C, K&N CAI, X-1, DTLT, URD CBE = 297rwhp & 320rwtq - 70wrhp/40rwtq gain

    I later went on to dyno 356rwhp/366rwhp after building a motor with lower compression, upping the boost a little, and adding a true dual exhaust (with the same K&N cai).

    The long tubes comment is accurate on many other vehicles, but not for the 1gr motor. The long tubes have gains only in the mid range spanning about 2k rpms. You will only see high rpm gain under boost if you have a catback that allows for extra volume. Also the low end loss is not as bad as people claim it is. This dyno is a bit misleading as they didn't start the pull until about 1800rpm vs the 1500 of the stocker.

    [​IMG]

    I got my blower for $2500, and there is a vendor on eBay that has a sale every 4 or 5 months for $3k. The install is simple enough, that I see no reason to pay the $900-$1400 for a dealer installation.

    HP costs $$, simple as that. For the more budget minded, cai, headers, catback, and a tune should net you a combined 30-45hp, on a good tune. The URD MAF Cal is a good option for a simple solution. For a good tune that will net you the most power, you will need something more powerful like the MAP 2 ECU or MAP 3 ECU.
     
  2. Feb 17, 2013 at 9:01 AM
    #22
    derrenwd

    derrenwd Member

    Joined:
    Dec 13, 2009
    Member:
    #27460
    Messages:
    18
    Gender:
    Male
    ontario canada
    Vehicle:
    2005 trd offroad 6 speed
    k&n intake, banks cat back, 3 inch block lift with rear aal, MagnaFlow "Direct fit headers and cats" URD short throw shifter kit
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