The Ford FE engine was an engine that was used in vehicles that were sold in the United States market between the years of 1958 and 1976. It was a V8 engine.

no

Depends on the C6 transmission you have. They made several variants for different Ford Engine types for the FE and 385 Big Blocks. So For a 390 you will need a C6 that mates to an FE engine.

No, the 428 is an FE series motor, the 460 is a 385 series. They are different engine families.

.032 - .038 if it's a stock motor.