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Old 03-31-2013, 11:04 PM   #1
79 blue monster
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Join Date: Feb 2012
Location: Pulaski, Wi
Posts: 491
gm 3 HD torque converter

i pulled the tranny off my motor and found out my 454 was removed in 11/26/02. that date was written in sharpie on the torque converter as welll ad the word LEVRETT, and GM 3 HD/ Big Bearing. what does that mean? is that a heavy duty torque converter?
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