Anything that's older then a 1986 will work, But you will need to change carburetor and distributor. Anything newer will need a computer and electric fuel pump plus oxygen sensors.
It would be best to find a engine that is a 1978 or older.
No.
The last year for the 327 in a C10 was 1968.
YES. That would be a direct swop / bolt in.
No, the ball joints are much larger on the C10.
No, completely different body style.
Yes it should bolt right in
The wiring diagram for a 1969 Chevy C10 truck is located in the service manual. It outlines where each electrical component is located and how they are wired together.
No. The wiring connectors are different. Latest is 77
Normally,a Small Block 350
Yes if its stock no headers?
shortbed 3500ish longbed about another 100 pounds
No.