OK, we admit the sound of a 4.6 or 5.0 Ford engine running at high rpm turns our heads faster than a girl wearing short-shorts and a tank top (well, maybe not, but you get the point). But let's face ...
Don't try these bolt-on tricks on pre-'99 Mustang V-6s. Before it was reengineered for the '99s, the 3.8 breathed with asthmatic cylinder heads, intake manifolding, and camming. Hopeless without lots ...