Can anyone tell me as to why my tranny is shifting is so fast. Its shifting from 1st to 4th within a couple hundred yards at normal take off, and when I try and push down on the throttle to get it to down shift a little, it snaps hard down and sounds horrible. At WOT take off it shifts fine. It was doing this before I had the tranny rebuilt and now that its rebuilt its still doing it. Any help would be greatly appreciated. I'm at my wits end with this! Thanks again!