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Discussion Starter #1 (Edited)
so i have an 03 ranger with a 4.0L in it, and i can only find a superchips for rangers year 04 and up. whats the deal here? did they do something different to the 4.0L in 2004 to make it chipable that the 2003 isnt capable of?? thanks for the help.
 

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Discussion Starter #3

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The three most effective power adders you can do are Bama tuner, under-drive pulley and an electric fan. The pulley and fan usually get done at the same time. Headers will probably cause you to lose power, just FYI.

I would def get the bama tuner though! Top notch! I wouldn't look at anything else. Someone from RPS (ranger power sports) documented a Jet chip on his ranger and dyno'd. It showed a loss of HP. get the bama, its good for about 15hp at the wheels, maybe a little more.
 
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