Originally Posted by Greg Fell

the big benefit of a solid roller sheet metal/vic jr intake setup imo, is the ability to not necessarily make a ton more hp (although they do make more), but carry it further up in the rpms significantly, which allows you to stay in a shorter gear longer, etc....kind of a 1 + 1 = 3 thing. The plastic manifolds die at like 6500+- depending.

in essence i believe the major benefit is it greatly increases your 'avg' power but maybe not 'peak'.