How to Use a GM Fuel Rail Schrader Valve Adapter Correctly
Trying to get a clean fuel pressure reading on an older Chevy often means hunting down a gm fuel rail schrader valve adapter before you can even get started. If you've ever popped the hood of a Silverado, Corvette, or an old Camaro and looked at the fuel rail, you've probably noticed that little nub that looks exactly like a tire valve. That's the Schrader valve. While it's great for a quick diagnostic check, it can be a real pain when you want to hook up a permanent gauge, a nitrous system, or even just a high-quality fuel pressure tester that doesn't quite fit the factory threads. ...