Ebay V-10 chip
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Senior User
Joined: Sep 2008
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From: Northern Calif
Ebay V-10 chip
I was just checking out the ebay section for 02 Excursions and I ran into this Performance chip. I know I'm getting old and seeee-nile but is there any truth to this thing. Has anyone tried it? I have been doing small mods to my Ex and it's working, this kinda power would be great if true. Ebay item #140349858382 $9.00 
Hotshot
Joined: Mar 2007
Posts: 10,101
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From: Pa
Your not going to get those power gains or mpg improvements on the V10. Stay far away. It would suck to buy a cheap chip, plug it into your computer and then have it short the computer out. You get what you pay for.
Postmaster
Joined: Oct 2006
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From: SE Texas
Garbage in=Garbage out.
JL
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Joined: Sep 2004
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I've got a buddy that actually bought one of these, well not this exact one, but similar. When it came in the mail, it was a single page instruction sheet, a 25 cent resistor,2 wire splices and a foot of black electrical tape. I think he paid like $30 for his though, nice to see the price has come down a little.
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Senior User
Joined: Sep 2008
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From: Northern Calif
Thanks for the Info. Had to ask,new in my mind it was no doubt junk. Dang sure don't want to mess up a fine running motor. I will be looking up the SCT tune as advertised in this forum. Thanks again.
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Joined: May 2009
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This was a quick mod for ecm's back in the OBD1 days 4.7K ohm resister = 55* air intake temp, This would richen up the mixture a tad.
Brian Felts
Brian Felts
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Mountain Pass
Joined: Apr 2008
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Thats a great mod on some vehicles and worthless on others. I used a tuner on my V10 so I don't know if it will help but on an 2005 ford Escape I had it was a huge difference. Even the wife could tell when I'd turn it down. I used a radio shack 10K potentiometer wired in seres with one of the AIT thermistor wires. It's easy to say it wont work and yes tuners and real chips do more but some of the first chips ever available did little more than add resistance to that same signal anyway. It makes the control circuits think it's getting colder and denser air so it compensates by adding a little more fuel and adds a little more timing. Some chips come with a colder thermostate because it also adds info to the control that things are colder and can handle more timing and fuel. Works on some and not much on others. You just have to try it.
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Hotshot
Joined: Mar 2007
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From: Pa
What we're looking at here is nothing more than a resistor pack that plugs in between the ACT sensor and the PCM. It simply tells the PCM that the air charge temp is much colder than it actually is. This in turn,has the PCM not retard timing based on air charge temperature. It's CRAP. Lying to the PCM is BAD in every way. If it does not know the ACTUAL operating conditions,it will not control the engine right. You'll end up with miscalculated load and spark knock problems, air fuel issues,etc,etc.
Garbage in=Garbage out.
JL
Garbage in=Garbage out.
JL
Seems like a real half assed way to do things and the vehicle has no idea what the actual a/f ratio is.
Senior User
Joined: Aug 2009
Posts: 246
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From: Westerville, Ohio
Because you asked the question in the first place it tells me you have serious doubts about the quality and validity of the eBay chip. The $3-400 you would save over a real tuner won't make a dent in the cost of the damage it could cause.
If it were me, I would spend a little more on a reputable tuner now. You will save yourself the never-ending worry of wondering what is really happening inside your investment worth thousands of dollars. Just my $.02.
If it were me, I would spend a little more on a reputable tuner now. You will save yourself the never-ending worry of wondering what is really happening inside your investment worth thousands of dollars. Just my $.02.
Junior User
Joined: Oct 2007
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From: Sperry Iowa
About ten years ago we had a fix like that someone came up with for Mack trucks.. but it was a resister we cut the wire and spliced it in... It changed the temp by 10* cooler in all temps... Made the timing stay advanced and gave it a tad more fuel...EPA heard about it and had a fit... We were to remove all them LOL... And they did really work... Now everything is different on them so it wouldn't work anymore...
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