Yes. You'd need to find a v8 donor car to transfer the emissions equipment, etc.
YES.
YES. The 74 and 86 engine blocks are the same as far as DESIGN.
The fuel pump relay on 1986 Chevy Elcamino 4.3 TBI is in the Fuel Injection Tank.
You have to use the flywheel for the 1974 engine and the clutch plate for the Trans Am.
Nope.....Chevy will only bolt to Chevy. The other brands....Buick, Olds, Pontiac and Caddy share the same bolt patter.
NO. Plain and simple.
yes they had a diesel engine but only for 2 years 1984-1986 and the engine was made by Oldsmobile
yes
yes
yes
El Camino Secreto was created in 1986.
Yes but you will also need to replace the rear end. The smaller engines use a different differential and if you strap that much power to a smalle rear end you are going to splatter it in all directions.