okay dont know to much about trannys when i go from park to rev it goes smooth and then feels like it grabs it hard and kinda rocks the car before i take my foot off the brake and does the same thing from reverse to drive and park to drive and just resently when i put it in to drive it did it then when i went to push on the gas it paused and then caught and went its only done it once and ive driven it since but hasnt done it the car has been drivin hard, quick starts, and running at high speeds its been drivin at 105 mps for 20 min before a few times ive since backed off and been nicer too it lol