Turbo 400 Issues

[gmc1969custom]

Here's what its doing. Reverse is perfect, when you put in in 1st its fine, put it in second it shifts from 1st to second fine the first time but when you come to a stop and take off it starts in second. When you put it in drive it does the same thing, the first time it shifts butter smooth, but from then on when you come to a stop it wants to start out in 2nd instead of 1st. Fluid looks good. One sidenote. I did just have the carb rebuilt b4 this started. Thanks in advance