I have a 00 L and I've built her up, but nothing compared to the some of the other guys on this forum. Anyways, I have a line valve mod and a rather agressive shift pressure programed into my chip. So usually the shifts are nice and strong. But, lately (more like all of a sudden) the shifts seem alot weaker. When I run up the engin on the 1 2 shift it feels like it is breaking loose the rear tires, but I know that I am not, there seems to be no power to the wheels for a while and then the power seems to come back at a leasurely pace. Anyone know if I killed this tranny. Anything that I could do to know. Look for anything in particular in the tranny filter if I pulled it or in the pan?

If I did... what are my options? I am pretty good at working on my truck, I just have min experience when it comes to the tranny. This is a 4R100W tranny if anyone has a shop manual on PDF that's be sweet if I could DL it from you. Thanks in advance to you all...