350 & 700r4 value

[Claytona08]

Hey guys, I'm thinking about buying this engine / transmission combo but haven't got a clue what it's worth. I copied the below info off his post. What you think?

His post:
I'm thinking about selling my current combo to a friend and doing a ls swap sooner than expected. I just bought the truck a few months ago so all the info is from the PO. Here's what I know according to him

350 4 bolt main with around 55k total miles. 3k ish miles since new bearings, rings and head gaskets. Motor came out of a 88-89 silverado. Does not have vortec heads
Small 260ish lift cam. No other info available
Serpentine setup from 93 suburban
Holley single bore intake
Edelbrock 650 carb with electric choke
I'll assume stock 700r4 and converter (forgot to ask details)
Rusted up headers and cheap exhaust

Please forgive me if some of my terminology is off. I'm new to old stuff. I can get more info and casting numbers if necessary but it will take a few weeks since I'm out of town working.
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