From first hand experience please.

Drivetrain:

• Engine

• 1993-1995 3.4L V6

• 1993-1997 5.7L V8 (LT1)
  

• 1998-2002 5.7L V8 (LS1)

• Transmission

• 1993 4L60 4-Speed Automatic Transmission
• 1994-? 4L60E 4-Speed Automatic Transmission
• 1993-1997 T56 6-Speed Manual Transmission
  
• 1998-2002 T56 6-Speed Manual Transmission
  

• Driveshaft

• 1998-2002 LS1 Aluminum Driveshaft

• Rearend

• 1993-1997 LT1 10-Bolt Rearend
• 1998-2002 LS1 10-Bolt Rearend

Interior:

• Dash

• 1993-1997 Camaro Dash (with matching console)
  
• 1993-1997 Firebird/Trans Am Dash
• 1998-2002 Camaro Dash
• 1998-2002 Firebird/Trans Am Dash
  

• Seats

• Center Console

• 1993-1997 Camaro Center Console (with matching dash)
• 1993-1997 Firebird/Trans Am Center Console
  

• 1998-2002 Camaro Center Console
• 1998-2002 Firebird/Trans Am Center Console
  

02 Camaro seats. Another easy one. Small issues on the seat belt guides. I just unscrewed the factory ones, then screwed them on the new 4th gen seats.