318 LA rebuild after losing a valve seat

Righty Tighty said

Forgot to update y'all on the transmission shaft. Took the pump and torque converter in to the transmission shop, and the guy said they looked brand new, aside from the marred splines on the shaft and some wear on the snout of the TC. He cleaned up the splines and I went with a new (reman) torque converter. Torque converter went right on with ease!

Lesson to be learned: don't put the transmission in reverse at highway speed. Not even for a SECOND!!

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Chrysler sedan, 440, automatic; my dad's daily driver and rv tow car. When my oldest son was around 3 or 4 years old (around 1973 or 74) he was standing on the seat next to his grandpa (no car seats in those days) rolling down the highway doing probably 65 or 70 mph. My son reached up and pushed the shifter into reverse. According to dad, the car came to a screeching halt and tried to go in reverse and stalled. Restarted, put in drive and drove home. Took it to the local dealer and had it checked out. No problems found. 727 is a tough trans. Grandson tested and approved.