You may want to be sure the torque converter can be moved a
short distance back from the flex plate after the
bellhousing is bolt up. If not, the converter is either
ballooned or is not properly seated in the pump. It is also
possible that the converter is ballooning under load. Some
rebuilders have a way of checking that. It may also be
possible that a snap ring inside the trans has failed
allowing the input shaft to be pushed forward under some
operating conditions. There have been a couple of snapring
TSB's in the transmissions but, I do not know all of the
possible ramifications of a failure. Maybe someone here has
a bit better knowledge of what happens. If you have
clearance as above and you know the internal engine
clearances are good, I see little else that could be a
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