when in od and shifting from 3rd to 4th babying the car shifting at 2500 rpm my car will shift drop 500rpm stop and make a a rev noise and drop another 500, meanwhile the rpms dont rise like a slip, just fall off sorta in 2 parts, wtf

 

Do you have a higher stall TC or are you still running stock ? I'm wondering if your problem might be TC related ?

 

still stock, i just hope it isnt tranny dieng related dosent feel like a slip