WIW and a couple questions

[VA72C10]

Have a guy I buy and sell parts to locally who's into our trucks. He offered me a 6.0 . Here is his email response to questions about it.

its a 2004 truck z71 motor with 34k on it it has all pulleys and truck intake has the 2002 bbk throtllebody sowe you can have a cable on it after 02 they dont have a cble on body and you have to body the body and cable.. i have the bradeid cable to new is a must have if putting a old car ..he paid $680 for bbk and cable it is a drop in for a 67-72 truck for it is the same about same as a 68-72 chevelle he shouwed me the papers he had $2000 in motor $680 in bbk throtlebody and cable for old cars $85 in low mount a/c ... plus the computer $150 $850 painlesswiring but they are gone but all the wire plugs are there on motor just need computer and add some wiring.

It was a project to go into a chevelle but had the wiring and computer stolen by a druggie..... but supposedly the coils with wires are still there and not hacked up. I will of course check that out. Is there anything else to look for??? I don't think the comp and wiring is a huge deal since they seem to have come down in cost and I was going to send them out to be modified anyways. What else should I be checking to see if it's included (starter?, etc?)
Supposedly the pulley setup is all there including the parts for low mount A/C and in additon there is the BBK throttle body he mentioned. Anybody used those before and know of any issues with that setup? Anything else I can visually check without tearing into the motor? Block numbers to look for to verify year/size/heads? I am going through the FAQ now trying to look for those answers.

He's asking 1000....think I might be able to get it for $800. Is it worth it with the A/C part and the BBK parts? Thanks.