Hear from Tyler Garret of Rock Solid Off Road Fabrication and Tom’s 4x4 Superstore about engine and axle swaps for Jeep Wrangler JKs and JLs. At which point do you choose an LS swap over a Hemi swap, and when do you go Hellcat over 392 and what is required for Super Duty axle swaps. We also share your #FrontierSpotting e-mails and celebrate our 5th anniversary.