So you’ve installed your Ultimate LS system and you are excited to crank the key for the first time, suddenly it does not start, do you wonder if you missed a step? On today’s Tech Tuesday we are going to go over the common mistakes made with the Ultimate LS System. Tech Support Email: techmail@fitechefi.com Tech Support Line: (951)340-2624 option 2 Have a question you want answered? Comment below and it might be our next Tech Tip! Check in every Tuesday for more tips and tricks from the FiTech

We’re upgrading a classic Jeep build with a retro-style LS port fuel injection system from FiTech EFI—and this isn’t just a performance boost, it’s a full transformation. In this episode, we tear down the old stock fuel injection system and replace it with a complete FiTech EFI kit, including: ✅ Cast intake manifold for a classic carbureted look ✅ Four-barrel-style throttle body ✅ High-quality fuel rails and injectors ✅ Self-learning ECU optional trans control ✅ Clean finishes: polished, black,