cucvrus
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After thinking this over I think the 3 bolt torque converters are shorter nuts welded in place. It would make sense because it would pull the flex plate down harder against the torte converter and cause the wobble. The 6 bolt torque converter would have nuts that are just a bit taller and seat the converter correctly. Just a thought. I also thought about the torque converter being from a gas engine as that 3 bolt is all I ever recall seeing on the gas engines. It has been a long time since I was involved in shop work on this vintage GM vehicles. I seem to recall that it could be either on the gas. But I always recall 6 bolt on the 6.2 diesel. What do I know? I forgot more things then I care to admit at times. Good Luck. If it were mine I would use the correct parts and make sure they are aligned. You will get the desired results by doing it right. Someone cheated you by doing it half fast in the first place. Happy Holidays.