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I have a new Tremec 3550 (lesss than 300 miles) in my Backdraft. It slips out of 2nd and sometimes 4th gear when I am just cruising along. I thought it was just me not shifting it all the way into each gear, but it continues to happen. Any ideas? I put this on the transmission discussion and cancelled it after I thought it was just me not being firm enough. Now, I really slam it into gear and it will pop out when backing off on the throttle and/or when I am not putting the power to it. Are there any adjustments to be made? The syncros work great, but just won't hold in gear. No problem with 1st, 3rd or 5th. I cut the carpet back to make sure it was not pushing the lever and see nothing in the way of the shifter. Help?