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Realy nice day out and had some time so I went to Radio Shack to pick up some resistors to try out the 10k mod. Started out with a 10k Resistor and took it for a ride and got nothing. Jump the gun and added another 10 and noticed nothing but the idel would be rough for a few seconds when I came to a stop. Added a 4.7 and got the same thing. Pulled out the hole thing went to stock and seemed the same with out the idel thing. Put it back with a 10 and 4.7 no rough ide but no noticeable diff in power. I have heard storys about tires chirping and noticeable gains but not hear. What gives?
the mouth of the face is correct, you wont be burning tires off with it but if you can feel the power difference at all on a 7000 plus pound vehicle you knwo you have increased power significantly. the biggest gain is low end torque but you will see a gain across the board just not as much in higher rpm due to injector flow and high pressure oil pump capacity.