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  #1  
Old 09-09-2006
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James duff power chip

Has anyone actually used it? Scroll down until u see it.

http://www.jamesduff.com/broncoII/engine.html
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Old 05-15-2007
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bump i am interested in this as well
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Old 07-07-2007
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no one with experience with this???
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Old 07-07-2007
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I am curious as well.
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Old 07-07-2007
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Isn't that a step backwards in technological innovation? We have flashing tuners these days, and there cannot be any secret advantage of a chip over new technology. Looks like a canned tune... err.... chip. I say no dice.
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Old 07-07-2007
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Also, notice how their description boasts torque increases, but the dyno chart they use to "back it up" with claims to show horsepower.
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Old 07-07-2007
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interested in their traction bars for my ranger was debating getting this at the same time
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Old 07-07-2007
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I call bs on that 'tuner'
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Old 07-07-2007
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In fact, it has become quite obvious to me that it is for pre-ODBII vehicles. Not sure how I didnt think of that before, in which case a chip is the only choice for aftermarket computer tuning.

But 45 ft.lb. of torque? Highly unlikely. I'm also not buying that dyno chart at all, simply because it's completely illegible. I tried really hard to read some of those numbers.
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Old 07-07-2007
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how much of a gain is expected on a 4.o with just a free flow air filter? wish there was one that just controlled the engine....most of the them change shift points, i have a manual trans so paying for a major feature/ selling point that i cannot use, which is why i am looking for a more cost effective alternative
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Old 07-07-2007
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Quote:
Originally Posted by ringer4x4
how much of a gain is expected on a 4.o with just a free flow air filter? wish there was one that just controlled the engine....most of the them change shift points, i have a manual trans so paying for a major feature/ selling point that i cannot use, which is why i am looking for a more cost effective alternative
It's actually a fallacy that manual transmission owners have no use for a tuner. Tunes are written quite predominately to improve the air-fuel ratio across the ENTIRE RPM range to a point of optimal consistency. THAT is the major feature / "selling point." ATX vehicles simply benefit from changed shift points and shift hardness.

I should add that I have learned these things while hosting/joining Doug from BamaChips at multiple dyno days as I watched him alter tunes after each pull to meet optimal A/F levels, as well as several other engine performance aspects.
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Old 07-07-2007
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Will the firmer shifts reduce trans life at all? Also, will the Bama let you control Torque Converter lockup?
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Old 07-08-2007
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firmer shifts should increase trans life or so i was told as there is less slippage occuring in the trans...
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