1978 was the first year a V8 was not the standard engine for the Grand Prix as the car lost 600 lbs. in an effort to improve fuel efficiency. However, its G-Body platform is a solid base to build upon with numerous parts and compatibility with several different GM engines. If you want to drop a Gen III/IV engine in your Grand Prix, our LS swap systems can get it done.

The GM Gen-V LT engine replaced the GM LS Series Engines In Production Vehicles, and Stated to be Become a Popular Late Model Engine Swap in Classic Cars & Trucks. Holley and Hooker Blackheart have partnered together to offer the most versatile and complete LT swap kits on the market so you can install the GM Gen-V LT engine into your favorite chassis!