The Ultimate Guide to Jeep Gladiator Engine Swap Options by Chad Golen May 8, 2026 0 Key Takeaways: Successful Jeep Gladiator engine swaps depend on total system integration—matching the new engine with transmission, cooling, electronics, and emissions for reliable trail performance. The most proven swap options are HEMI V8s, LS-based engines, and boosted Pentastars, each offering unique benefits and integration challenges for off-road use. Accurate budgeting and avoiding common pitfalls—such as … Read More