Fuel pressure regulator

Returnless fuel systems are becoming more common in new vehicles. As we learned in a recent Jeff Smith Ask Away! column, the increased use is due in part to tightening federal environmental regulations. Does that mean a returnless system is better for your engine than an earlier, return-style setup? It’s an important question to answer, especially

  I am making plans for an LS-swapped Chevelle with all kinds of cool parts, so I’m building the car in my head. I’ve seen lots of people use that Corvette factory fuel pressure regulator and fuel filter in their cars and I got to wondering why I should place the regulator up front near