It can be done, but it's not a simple "plug and play" operation.
Will a Chevy blazer engine fit in a Chevy s10 pickup
Will a Chevy Blazer engine fit in a Chevy s10 pickup
Yes.
Yes. Very easily. They are built on the same body, but the blazer is the suv and the s10 is the truck.
It depends on how big your wallet is.
no
The 4.3 V6 will, yes.
Yes
NO. It won't fit on the engine block.
Depends on what year/type of engine (LT1, LS1, etc). If anyone has enough time and money, anything is possible.
as long as they have the same engine, drive train, and ecu? sure
A small block Chevy engine will fit into a 88 S10 with the help of some adapters.