Return vs returnless fuel system - Which is better?
If you've ever spent an afternoon staring at your engine bay trying to map out a fuel upgrade, you've probably hit the debate of a return vs returnless fuel system. It's one of those topics that seems simple on the surface but gets surprisingly complicated once you start talking about fuel pressure regulators, heat soak, and tuning. Whether you're working on a classic swap or just trying to understand why your modern daily driver is built the way it is, knowing the difference between these two setups is pretty much essential. ...