Victory! Finished up the trunion upgrade on my factory rocker arms today. The long block is all buttoned up save for the harmonic balancer and rockers.
Should be able to start pulling the truck apart next Friday after work.
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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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