Ive noticed that my transmission has never shifted correctly or it doesn't shift like I think it should. To me it seems like it revs too high to shift into second maybe around 1700 rpms or so and when shifting to od the converter locks then shifts into overdrive almost at the same time. It does however shift better when you are getting on it but even then the shifting isn't constant every time I get on it; it is always different. the truck has 258k on it and it doesn't look like the tranny was replaced or anything like that before I got it. The fluid is good and at the correct level. Ive done a little research and as far as I can tell the tranny doesnt have adjustable bands? Ive been thinking about getting the transgo tugger shift kit for it but does it really pay to put it in if the trans could maybe need a rebuild. I don't care for automatics so I don't know a whole lot about them except the dollar signs can get pretty high when they need parts or a rebuild. Could it be that maybe the line pressure is too low? Also what are good mods for these trannies.