Thanks everyone. I was looking at the power programmer and yes they are expensive. I do want to increase my horsepower. I guess I will wait until i find one for cheap or i hope to find one at this years off-road swap meet in riverside, ca. along with other parts..

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2003 Ford Ranger V6, 3.0L. Mods. 3" Spindle Lift, 33x10.5r15 bfg mudders, K&n cold air intake, Flow Master of a trophy truck, Pioneer System, 4:10 gears on a 8.8 open axle.