The first thing you should understand is that direct-port, constant-flow fuel-injection—Hilborns, En-derles, Crowers, whatever—were never designed, nor intended, to be run on the street. All of these ...

Whether it's for a gasser or a road racer, stack injection brings a sound, a look, and definitely a performance feel that's hard to replicate. Aside from the obvious clearance issues that come from ...