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12-06-2013, 10:10 AM | #1 |
Drives: 2011 Yaris Hatchback Join Date: Sep 2013
Location: Manila, Philippines
Posts: 81
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Dastek Unichip Version Q
Just got this a few weeks ago from a friend who had it in his Ford Focus. Didn't work to well on his automatic tranny so I bought it from him. This is a popular chip here in the Philippines as it is universal and there's a shop that deals them and tunes them very well. There have been many dyno charts with this also specifically with Yaris 1NZ-FE. 9-10 WHP gain, 9-10 lbs torque gain. Have yet to install it since Ive been waiting for an NST Crank pulley to arrive from stateside; which arrived recently so Ill be installing this soon after the pulley. I can post a dyno chart when I get it done..
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12-06-2013, 02:52 PM | #2 |
play every day
Drives: 2012 Yaris L 2dr 5sp Join Date: Apr 2012
Location: Los Angeles
Posts: 1,961
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Hey Chuckie,
That's really nice that you would take the time and expense to do before and after dyno runs and share the information with the good folk here. Thanks, man... Greg |
12-06-2013, 04:27 PM | #3 | |
Drives: 2011 Yaris Hatchback Join Date: Sep 2013
Location: Manila, Philippines
Posts: 81
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Quote:
Ya.. its no problem. When they install the chip, they're gonna have to tune it on a dyno. And the charts are all included in the installation. |
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12-06-2013, 04:57 PM | #4 |
Drives: 2011 Yaris Hatchback Join Date: Sep 2013
Location: Manila, Philippines
Posts: 81
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Here is one chart.. But its not my car. Purple line is before; with K&N CAI and Hotpipes Local Headers..
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12-06-2013, 05:09 PM | #5 |
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Drives: 07 Yaris Turbo Join Date: May 2007
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I had a UniChip in my Scion tC; it came with the Turbonetics kit. No one had the license to tune the car with that chip -- good to know you have tuners where you are that can do it.
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12-06-2013, 09:53 PM | #6 |
Drives: peArL yAvItZ!! Join Date: Jul 2009
Location: *tIny dOts iN AsiA*
Posts: 156
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Do those Unichip able to over-write the engine ecu fuel map permanently?
In the past from what i heard is that after the tuning, you will be able to feel the gain on power and torque. After couple of weeks, the engine will re-learn and adjust the fuel map to over-write the Unichip map and therefore the power & torque will be back to square/stock one. Is that true?
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12-06-2013, 10:06 PM | #7 | |
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12-06-2013, 11:05 PM | #8 |
Drives: 2011 Yaris Hatchback Join Date: Sep 2013
Location: Manila, Philippines
Posts: 81
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^^^ Its I widely used chip here on a lot of different makes and models. There have been no issues of the settings returning to stock while the chip is installed and tuned. As soon as the chip is installed on to the ECU and tuned, the ECU will continue to take orders from it. Once it is removed, everything goes back to stock.
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12-06-2013, 11:13 PM | #9 |
Drives: 2011 Yaris Hatchback Join Date: Sep 2013
Location: Manila, Philippines
Posts: 81
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Changes are permanent as long chip is installed..
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12-06-2013, 11:08 PM | #10 | |
Drives: 2011 Yaris Hatchback Join Date: Sep 2013
Location: Manila, Philippines
Posts: 81
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12-06-2013, 11:37 PM | #11 | |
Drives: 2011 Yaris Hatchback Join Date: Sep 2013
Location: Manila, Philippines
Posts: 81
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12-06-2013, 11:43 PM | #12 | |
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Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
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The US market ones aggressively maintain stoich (14.7 AFR) to comply with our emissions standards. There are many devices that can be purchased for $50 to $500 that promise power and economy gains, but all that I have seen tested have failed to deliver. $225 would be far better spent on a used AEM F/IC, which at least has the ability to modify the output of the AFR sensor to fool the ECM into thinking that it is running at stoich, while the actual AFR is adjusted.
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12-07-2013, 06:15 AM | #13 | |
Drives: 2011 Yaris Hatchback Join Date: Sep 2013
Location: Manila, Philippines
Posts: 81
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12-07-2013, 06:23 AM | #14 |
Drives: 2011 Yaris Hatchback Join Date: Sep 2013
Location: Manila, Philippines
Posts: 81
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^^^ Oh sorry, I forgot about the stock AFR setting you mentioned on U.S ECMs due to emission standards. That would make a difference. Unless there is a function in the Dastek unit to override even that if at all possible. The company stresses the fact that its a lot more than a chip; like an onboard computer or an ECM/ECU in itself in ways.
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12-07-2013, 06:47 AM | #15 |
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Not all vehicle manufacturers are as aggressive as Toyota with maintaining the AFR. With my supercharged Yaris, even after installing an AEM F/IC, I was noticing that my AFRs under boost would go more and more lean over time (weeks of driving). It was not until I adjusted the AFR sensor input to the ECM that I was able to maintain the desired enrichment under boost.
When one of these devices gets installed it can function perfectly to the user for a period of time, but unless the user monitors the AFR of the vehicle they will likely not notice the ECM gradually pulling fuel back away.
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12-07-2013, 06:53 AM | #16 | |
Drives: 2011 Yaris Hatchback Join Date: Sep 2013
Location: Manila, Philippines
Posts: 81
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12-07-2013, 09:00 AM | #17 |
Obsessed with 1.5L
Drives: '10 PW Yaris Sedan Join Date: Feb 2011
Location: Westminster, MD
Posts: 907
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Even my 97 tercel suffers from an overly aggressive ecu. Its a toyota thing
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04-29-2021, 12:40 AM | #18 |
Drives: 2010 yaris Join Date: Apr 2020
Location: philippines
Posts: 2
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i know this is already old but does anyone know how to install unichip on a yaris? or does anyone have a diagram for it?
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