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Old 02-17-2005
vansnxtweek's Avatar
Thread Starter
Join Date: Feb 2005
Location: USA
Posts: 2,666
Cheap Chips

has any body seen those $2.99 chips on ebay?
do they work?
i thought was pretty crazy.
Old 02-17-2005
Bigwill41's Avatar
Join Date: Jun 2004
Location: Navasota, Texas
Posts: 4,659
You need a signature...

Because it looks like you have your question in the signature part...

aahh Welcome to the site....
Old 02-17-2005
Join Date: Nov 2004
Location: Danville, VA
Posts: 2,664
are they doritos or lays?

a program chip for our trucks run a couple hundred $$$'s.....
Old 02-17-2005
Join Date: Aug 2004
Location: Wesley Chapel, FL
Posts: 1,072
NO, they don't work. Most are just cheap resistors that fool the MAF into thinking the airflow is different than it really is. The ECU eventually figures it out, and fixes the fuel/air mixture. It's not worth the risk to the engine.

John Griggs did some work trying this idea, but using real test data and calibration. Check his old posts and you should be able to find it. This was on his 3.0 enigne.
Old 02-17-2005
sawred's Avatar
Join Date: Jan 2005
Location: San Antonio, TX
Posts: 580
I thought someone actually took it to a dyno and saw it lost RWHP...or was that another hoax mod
Old 02-17-2005
V8 Level II's Avatar
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Join Date: Nov 2004
Location: Michigan
Posts: 7,834
Most of them are just a 5-cent resistor installed in the Intake Air Sensor signal wire. The intention is to fool the PCM into thinking that intake air is cooler than it is. This will make the PCM advance the timing which would make more power if premium fuel is also used. This actually works to a certain extent in older Rangers and some other cars.

What John found out is that the IAT input to the spark calculation is no longer used in the late model Ranger calibrations so the mod does nothing to the spark.
Old 02-17-2005
Zero's Avatar
Join Date: Jun 2004
Location: Poteau, Oklahoma
Posts: 435
I guy dyno'd a mustang with one and lost rwhp... I believe he was there when Doug got his dyno?
Old 02-17-2005
Mudhippy's Avatar
Join Date: Oct 2004
Location: Santa Barbara, CA
Posts: 1,048
i saw a bag of Doritos for only 99 cents, beat that price
Old 02-17-2005
Bigwill41's Avatar
Join Date: Jun 2004
Location: Navasota, Texas
Posts: 4,659
I find a bag for 96 cents....
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