Not sure slite slip from 2 to 3

fishy68 said

It's most likely the throttle pressure adjustment. It not only regulates the speed at which the trans. shifts through gears but also regulates clutch pack pressure. If it's not adjusted right one of the most common problems is the 2-3 shift is mushy or slips.

BTW: Blocking the accumulator only helps the 1-2 shift. Does nothing for the 2-3 shift. Also never just remove the spring. If you remove the spring always install a blocker rod or the accumulator will slam back and forth in there and break.

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Sounds to me like somebody else knows how a torqueflite works. Everybody seems to think the accumulator is a cushion for the 1-2 shift and it's just not so. The spring can't cushion anything because in the 1-2 shift the accumulator moves AWAY from it. The only cushioning comes from hydraulic action sorta like a hydraulic shock absorber. I remember a TSB out on torqueflites about harsh shifts due to the accumulator getting STUCK in the end of the bore. This would simulate the deal with the block rod. All anybody has to do is look at the hydraulic flow diagram of the torqueflite and you can see how it works.