Fixing rail pressure with an lb7 fuel rail plug
Installing an lb7 fuel rail plug is one of those small mods that makes a massive difference if you're pushing your Duramax engine harder than the factory intended. If you've ever been cruising down the highway or trying to pull a heavy trailer and suddenly felt your truck go into "limp mode," you know exactly how frustrating fuel system issues can be. Most of the time, the culprit isn't a dead fuel pump or a massive leak; it's just the factory pressure relief valve giving up on you. ...