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2.3L & 2.5L I4 Tech General discussion of 2.3L and 2.5L I4 Ford Ranger engines.

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Old 06-20-2007
Danny52186's Avatar
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Join Date: Jun 2005
Location: Albany Kentucky
Posts: 28
Speed Chip Ford Ranger

+20HP POWER SPEED CHIP FORD RANGER uses a resistance value of 4,300 ohms to override the sensor and signal the computer that it is receiving air at an optimal temperature of 61 degrees. Your car will accelerate faster and have a higher top end speed. This is a great mod for any car, and will definitely increase your HORSEPOWER up to 20 hp. Your 1/4-mile times will decrease a few tenths of a second or more and your 1/4-mile MPH will improve as well. QUESTION : Will That Really Do As It Claims?
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Old 06-20-2007
RangerJustin's Avatar
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I highly doubt it...
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Old 06-20-2007
RentonRanger's Avatar
Join Date: Mar 2007
Location: Walla Walla, WA
Posts: 705
There are a lot of threads on these. Don't waste your time, money or engine life on this POS. Horsepower ain't cheap. All those resistors do is fool your PCM into thinking that the incoming air is colder than it really is. Hence, it will compensate by changing the air/fuel ratio so you actually burn MORE fuel.

If you want real "bolt on" horsepower, go with a tuner, pullies, exhaust. That'll be $800 please.
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