What fits (with caveats):
* Common Small Blocks (350, 305, etc.): These are generally the most common swaps. However, you'll likely need to address several things:
* Engine Mounts: You'll almost certainly need custom motor mounts. Off-the-shelf mounts for swaps are readily available, but may require modification.
* Transmission: The transmission must be compatible with the chosen small block. You might need an adapter plate depending on the transmission you want to use.
* Exhaust: The exhaust system will need to be custom fabricated or adapted to fit the new engine.
* Wiring Harness: You'll likely need a custom wiring harness or significant modification of the existing harness. A standalone engine management system (such as a Megasquirt) is often an easier route.
* Cooling System: You may need a different radiator and possibly hoses.
* Other Components: Steering components, oil pan, and possibly even the K-member (depending on the engine and accessories) may need modification or replacement.
Important Note: The difficulty and cost will heavily depend on the specific engine you choose, the transmission you pair it with, and your mechanical skills. A simple 350 swap can be relatively straightforward for someone with experience, but complications are common. A professional shop will typically be necessary for a clean and reliable installation.
Before you begin: Research thoroughly! There are numerous online forums and communities dedicated to Chevy Blazer swaps. Join them and learn about the challenges and solutions others have encountered. This will save you a significant amount of time and frustration. Failing to plan properly can lead to a very costly and time-consuming project.
