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Old Sun, January 4th, 2009, 07:56 PM
jdboy jdboy is offline
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Join Date: Dec 2008
Location: Greeneville, TN
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Question Tranny Line Pressure

I've read from place to place that it isn't a good thing to boost line pressure in the transmissions in our trucks, or at least the 4r100's. How and what does the programmers do to quicken and tighten the shifts in our trucks? Any help on this subject would be greatly appreciated. I've not purchased a programmer yet but will be in the very near future and I'd like to make sure I don't do anything to harm my truck. It's served well for 200K+ miles and I'd like to keep it that way!
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03' F250 CC LB, 5.4L, 4R100 auto, offroad test pipe, 3" Flowmaster Deltaflow muffler, color matched bed cap, 285/75/16 BFG All Terrains
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