Short Block swap
A few area depending on what year (from / to) or Gen III, IV or V.
Knock sensors
Reluctor wheel 24x or 58x
Crank Sensor
Cam Sensor
ECT Sensor
Sugguest you do some Research/Reading before starting to ask General Question that cannot be answered without someone asking you more questions.
BC
Will have to drill/tap for the third Alternator mounting bolt for an Iron Block as the F-Body Accessories doesn't have it drilled and tapped.





