How to Perform a Jeep YJ Engine Swap for Maximum Off-Road Performance by Chad Golen June 26, 2026 0 Key Takeaways: A 4.6L stroker engine swap is the most practical and reliable upgrade for Jeep YJ owners seeking trail-ready torque and factory compatibility, with minimal installation complexity. LS engine swaps offer higher peak horsepower but require extensive custom fabrication, wiring, and increased costs, making them less ideal for off-road-focused builds. A successful YJ engine … Read More