84chvy, call around, it may be cheaper in your neck of the woods. That said the builder will want you to install a new torque converter and more than likely an aftermarket trans. cooler. (IMO both good ideas)
Some shops can cut a couple hundred off of the rebuild cost if you R&R yourself. Talk to the builder.
My '73 got a "crate" transmission as I didn't have the time to attempt it myself. The '86, I'm attempting, as I got time and no $.
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