The builder made good on the transmission out of my father's Sierra. He rebuilt it and supplied the parts for free. Said it looked brand new inside, other than the busted sun shell.
I guess now he has a good spare transmission. I will never go back to a 4L60E, 4L80Es are just so much more durable.
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi
1969 Malibu COPO L72/M20/12 bolt 3.31 posi
1968 Malibu LQ9/4L80E/12 bolt 3.73 posi
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