Can you put Buick 3.8 in 97 Cadillac?

Yes, a Buick 3.8-liter engine can be swapped into a 1997 Cadillac, as both vehicles share similar platform designs and engine mounting configurations. However, the swap may require modifications to wiring, fuel systems, and exhaust components to ensure compatibility. It's essential to consider the specific model of the Cadillac and any potential challenges that may arise during the installation process. Consulting with a professional mechanic or engine swap expert is advisable for a successful installation.