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Drivetrain from Hungary - perf chip

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Old Nov 9, 2005 | 01:53 PM
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from Hungary - perf chip

okay, i'm sure some will dam me to hell but i couldn't resist. Not being technical in this area what could this sucker be doing or perhaps better said imply that it does ? it taps in between the ecu and oxy sensor.

http://cgi.ebay.com/ebaymotors/20HP-...86731535QQrdZ1
 
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Old Nov 9, 2005 | 04:28 PM
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Originally Posted by Bahamabart
okay, i'm sure some will dam me to hell but i couldn't resist. Not being technical in this area what could this sucker be doing or perhaps better said imply that it does ? it taps in between the ecu and oxy sensor.
Hmm. Welllll... if it were as good as he says, wouldnt he be like a millionare by now?

Dont all piggybacks tape before the ECU and just trick the CPU by feeding it false information.

I guess .... for anyone who buys it I got a Bridge to sell you too along with some 100 mpg carburaters
 
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Old Nov 10, 2005 | 06:30 AM
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That's awesome. The O2 sensor is only used for closed-loop operation (idling, cruising, etc) in order to maintain the strict 14.7:1 A/F ratio required by the catalytic convertor to deliver the lowest emissions. When you actually want power to accelerate, you are going into open-loop where the oxygen sensor is ignored and the ECU uses its pre-determined lookup tables to deliver the correct amount of fuel for a given RPM and manifold pressure. So, if this device does anything at all (it may just be a fuse or a straight-through wire inside there), it would serve to make emissions worse at idle and cruise while yielding zero benefit to acceleration.
 
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Old Nov 10, 2005 | 07:02 AM
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Originally Posted by andy@ross-tech.com
That's awesome. The O2 sensor is only used for closed-loop operation (idling, cruising, etc) in order to maintain the strict 14.7:1 A/F ratio required by the catalytic convertor to deliver the lowest emissions. When you actually want power to accelerate, you are going into open-loop where the oxygen sensor is ignored and the ECU uses its pre-determined lookup tables to deliver the correct amount of fuel for a given RPM and manifold pressure. So, if this device does anything at all (it may just be a fuse or a straight-through wire inside there), it would serve to make emissions worse at idle and cruise while yielding zero benefit to acceleration.
Thanks, thats what I wanted to try to understand or learn from this post - i.e. the role of the sensor.
 
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Old Nov 10, 2005 | 07:04 AM
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Originally Posted by chows4us
Hmm. Welllll... if it were as good as he says, wouldnt he be like a millionare by now?

Dont all piggybacks tape before the ECU and just trick the CPU by feeding it false information.

I guess .... for anyone who buys it I got a Bridge to sell you too along with some 100 mpg carburaters
Based on Andy's response, I assume this hungarian is well on his may to being a millionaire. My understanding is that they currently have a bridge in beta testing .
 
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Old Nov 10, 2005 | 08:21 AM
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Their instructions indicate they are connecting to 02 sensor #2 (after the CAT). That sensor only monitors the efficiency of the CAT.

Result of this product = null

Does it come with stickers, LED's? might help some believe it does something.

Hey I'm Hungry
 
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Old Nov 10, 2005 | 08:55 AM
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I am Hungarian, well descent. I was born and breed in the USA.

Be wary of these things, people in the "motherland" can be quite the shysters (sp?)
 
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Old Nov 10, 2005 | 11:49 AM
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Originally Posted by little egg
I am Hungarian, well descent. I was born and breed in the USA.

Be wary of these things, people in the "motherland" can be quite the shysters (sp?)
No intention of buying but wanted to "learn" what the logic was or if there even was one. I new if I posted, I would get one of the MINI-One-Kanobes to chime in and Andy did .

When the MINI-One-Kanobes are battling amongest themselves - you can really learn a thing or two
 
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